Journal articles: 'Single root canal treatments'

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Bansal, Dr Ramta, and Dr Aditya Jain. "Root Canal Treatment of a Mandibular Second Molar With a Single Mesial Canal and Two Distal Canals." Indian Journal of Applied Research 3, no. 8 (October 1, 2011): 79–80. http://dx.doi.org/10.15373/2249555x/aug2013/162.

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Alfadley, Abdulmohsen, Ahmad Alquraishi, Yaser Almazrou, and Fahd Aljarbou. "A Rare Case of Single-Rooted Mandibular Second Molar with Single Canal." Case Reports in Dentistry 2020 (June 16, 2020): 1–6. http://dx.doi.org/10.1155/2020/8096539.

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The root canal anatomy of mandibular second molar teeth is known to be highly variable. Whilst the most frequently seen configuration is two mesial canals and one distal canal, other variations such as four canals, two canals, and C-shaped canal system do also exist. This case report describes the diagnosis and management of unusual root canal configuration of a mandibular second molar, with one canal in a single conical root, using the contemporary advancements in endodontics. Following clinical and radiographic examinations of the case, a diagnosis of symptomatic irreversible pulpitis with symptomatic apical periodontitis of tooth #47 was established, and root canal treatment followed by composite buildup and crown were planned. Clinicians should be aware of the different anatomic variants each tooth may exhibit. Furthermore, clinicians need to possess the proper knowledge and skills that allow them to utilize the diagnostic and therapeutic tools available at their disposal in order to optimize the quality of care provided to their patients.

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Dervenis, Konstantinos, Andreas Koutroulis, Georgios Chatzopoulos, and Vasileios Kapralos. "Technical Quality and Associated Iatrogenic Errors of Endodontic Treatments Performed in Extracted Anterior Single-Rooted Teeth by Preclinical Undergraduate Students." Balkan Journal of Dental Medicine 19, no. 2 (July 1, 2015): 96–100. http://dx.doi.org/10.1515/bjdm-2015-0042.

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SUMMARYAim: To evaluate technical quality of root canal treatments performed in extracted anterior single-rooted teeth in an undergraduate dental clinic, and to record the associated iatrogenic errors.Material and Method: 287 root canal treatments performed by 114 preclinical undergraduate students in extracted anterior teeth at the Department of Endodontology were radiographically evaluated, based on the following parameters: access cavity dimensions and direction, root canal instrumentation, and root canal filling quality.Results: The access cavity was found of adequate dimensions in 28.9% and straight in direction in 71.1% of the material. Erroneous position, overextension of the access cavity and non-straight access were noted in 39.7 %, 21.6% and 28.9% of the cases, respectively. The frequency of ledged root canals was 10.1%, while 84.7% of the teeth had no instrumentation related iatrogenic errors. Regarding root canal filling, incomplete density apically and technical inadequacies in the middle and cervical thirds were observed in 76.3% and 82.3% of the cases. The percentage of flawless endodontic treatments was 3.1%.Conclusions: Most of the endodontic treatments evaluated were classified unacceptable. Inadequate root canal filling density in the middle and cervical third and ledge formation were the most common faults.

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Buonvivere, Mario, and Matteo Buonvivere. "Maxillary Lateral Incisor with 3 Root Canals: A Case Report." Journal of Advanced Oral Research 10, no. 2 (September 11, 2019): 179–82. http://dx.doi.org/10.1177/2320206819867243.

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The proper knowledge of the root canal system anatomy is crucial to perform successful endodontic treatments. Maxillary lateral incisors usually have a single root. However, aberrant canal configurations of this tooth have been reported in the literature. The clinician should be aware of the difficulties arising from this more complex root canal anatomy and should be able to manage them. A rare case of a maxillary lateral incisor with three root canals is presented in this article; the challenge of diagnosis and treatment in similar situations is also discussed.

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Victorino, Fausto Rodrigo, Ricardo Affonso Bernardes, Jarcio Victorio Baldi, Ivaldo Gomes de Moraes, Norberti Bernardinelli, Roberto Brandão Garcia, and Clovis Monteiro Bramante. "Bilateral mandibular canines with two roots and two separate canals: case report." Brazilian Dental Journal 20, no. 1 (2009): 84–86. http://dx.doi.org/10.1590/s0103-64402009000100015.

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The mandibular canine is usually considered a single-rooted tooth with a single root canal. However, two canals and more rarely two roots may also occur. This paper reports the case of a patient with bilateral mandibular canines with two roots and two root canals. The initial periapical radiographs of the mandibular right and left canines for endodontic treatment revealed the presence of two roots in each tooth. After coronal opening, the cervical third was prepared with a SX file of the ProTaper® system and root canal length was confirmed using Root ZX electronic apex locator. Root canal preparation was completed with the series of ProTaper® instruments and the root canal was filled with gutta-percha and an epoxy resin-based endodontic sealer according to Tagger's hybrid technique. The final radiographs showed two well-obturated canals ending at the electronically located apexes. The 6-month posttreatment follow-up showed apparent clinical and radiographic success. Clinicians should always consider the presence of anatomical variations in the teeth during endodontic treatments. Despite the low prevalence, variations may occur in the number of roots and root canals of mandibular canines, as demonstrated in this case report.

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Londhe, SM, and HG Garge. "Single Visit Root Canal Treatment." Medical Journal Armed Forces India 63, no. 3 (July 2007): 273–74. http://dx.doi.org/10.1016/s0377-1237(07)80153-5.

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Shafqat, Amira, Bader Munir, and Mustafa Sajid. "MAXILLARY SECOND MOLAR." Professional Medical Journal 25, no. 07 (July 10, 2018): 981–86. http://dx.doi.org/10.29309/tpmj/2018.25.07.103.

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Introduction: It is important for a dental practitioner to have a clear understandingof the root canal morphology and its variations to perform successful root canal treatment.The inability to identify and adequately treat all canals of root canal system may contribute tothe failure of root canal treatment. Objectives: Clinically determine the frequency or numbersof root canals per tooth in the maxillary second molar teeth in the local population. Setting:Department of Operative Dentistry in Punjab Dental Hospital / de`Montmorency College ofDentistry, Lahore. Study Design: Randomized Control Trial. Study Period: 25th May 2013 to24th November 2013 (6 months). Results: This was a Cross sectional survey of 80 patients withsymptomatic irreversible pulpitis in maxillary second molar teeth in patients undergoing rootcanal treatment. The results showed that five (6.25%) patients had single root canal, seventeen(21.25%) patients had 2 root canals, forty (50%) patients had 3 root canals, seventeen (21.25%)patients had 4 root canals and one (1.25 %) patient had 5 root canals per tooth. In patientwith five canals, single root canal was present in distobuccal and palatal root each while threeroot canals were present in mesiobuccal root as MB-1, MB-2 and MB-3 canal. Conclusion:Local population have a lot of variations in root canal anatomy in second molar. So preclinicalknowledge can increase the success rate of root canal treatment.

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Zavattini, Angelo, Alan Knight, Federico Foschi, and Francesco Mannocci. "Outcome of Root Canal Treatments Using a New Calcium Silicate Root Canal Sealer: A Non-Randomized Clinical Trial." Journal of Clinical Medicine 9, no. 3 (March 13, 2020): 782. http://dx.doi.org/10.3390/jcm9030782.

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Background: The aim of this study was to compare the success rate of root canal treatments undertaken using a calcium silicate root canal sealer in combination with a single cone with non-calcium silicate cement and warm vertical condensation. Methods: 150 necrotic or pulpitic teeth were treated. (REC: 08/H0804/79). Following standardized root canal chemo-debridement. The canals were obturated using warm vertical condensation of gutta-percha and epoxy-based sealer (AH plus) or a calcium silicate sealer (BioRootTM RCS) with a single cone technique. Follow-up assessment was conducted at 12 months using Cone Beam Computed Tomography (CBCT). Results: At 1-year recall, 104 teeth were assessed (51 AH plus, 53 BioRootTM RCS). The success rate using loose criteria for the CBCT images and PA radiographs was respectively 80% and 89% in the AH plus/warm vertical condensation group, 84% and 90% in the BioRootTM RCS/single cone group. There was no statistically significant difference between the two groups (Fisher exact test p value 0.6099 for the CBCT images). Conclusion: Within the limitations of this non-randomized trial, a calcium silicate cement in combination with single cone resulted in a similar proportion of successful cases compared to warm vertical condensation and epoxy-based sealer.

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Muppalla, Jaya Nagendra Krishna, Krishnamurthy Kavuda, Rajani Punna, and Amulya Vanapatla. "Management of an Unusual Maxillary Canine: A Rare Entity." Case Reports in Dentistry 2015 (2015): 1–3. http://dx.doi.org/10.1155/2015/780908.

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Clinicians need to have intimate knowledge and thorough understanding of both pulp chamber and root canal anatomy. They should be aware of possibility of anatomical variations in the root canal system during endodontic treatment. Maxillary canines usually have single root and root canal but rarely may have single root with two root canals. This case describes a lengthier maxillary canine with two root canals.

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Eyüboğlu, Tan F., Keziban Olcay, Erhan Erkan, Mutlu Özcan, and Stefano Curcio. "Radiographic and Clinical Findings of Single-Visit Root Canal Treatments with Apical Enlargement in Necrotic Teeth: A Retrospective Cohort Study." BioMed Research International 2020 (September 28, 2020): 1–10. http://dx.doi.org/10.1155/2020/7912638.

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This study evaluated the long-term clinical outcomes of single-visit root canal treatments with apical enlargement on patients with necrotic pulp tissue retrospectively. A total of 137 teeth with necrotic pulp tissue which underwent single-visit root canal treatments were included. The root canals were shaped up until the apical constriction, which was determined by an apex locator. The outcomes were evaluated by two independent and calibrated endodontists clinically and radiographically. Teeth were dichotomized into healed ( PAI ≤ 2 , no signs or symptoms) and nonhealed ( PAI > 2 , with/without signs or symptoms) groups. Each patients’ preoperative PAI and lesion size were recorded to evaluate the preoperative periapical status as well as several other prognostic factors. Statistical analyses were performed ( p = 0.05 ) on ninety teeth. The mean observation time was 60 months. Out of ninety teeth, 87 (96.7%) were healed and 3 (3.3%) were nonhealed. No correlations were found between the prognostic factors and the outcomes ( p > 0.05 ). Cohen’s kappa and Gwet’s agreement coefficient scores between the preoperative PAI scores and preoperative lesion sizes showed good agreements, with values of 0.834 and 0.898, respectively. Apical enlargement is a viable treatment option for single-visit root canal treatments.

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Sahoo, Hrudi Sundar, R. Kurinji Amalavathy, and D. Pavani. "A Case Report on Endodontic Management of a Rare Vertucci Type III Maxillary Canine." Case Reports in Dentistry 2019 (January 29, 2019): 1–4. http://dx.doi.org/10.1155/2019/4154067.

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Success in root canal treatment demands a thorough knowledge of usual root canal anatomy and its variations pertaining to every tooth. Variations in root canal anatomy are often accompanied by complex orientation of pulp tissues making a thorough mechanical and chemical debridement a challenge. Inability to treat such complexities often leads to endodontic failure. Upon a quick review of the literature, it has been noted that very few root canal complexities in maxillary canines have been reported. To be a successful clinician, one must be aware of such rare anatomical instances in maxillary canines. Based on possible branching of the root canal system, root canal configurations of permanent teeth were divided into eight different types by Vertucci. The classification included single to three separate root canals. This case report presents a permanent right maxillary canine which is single rooted having a single canal orifice and a root canal dividing into two canals (buccal and palatal) at the middle third of the root and then joining at the apical third, before exiting with a single apical foramen (Vertucci type III).

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Kunwar, Deepa, Bhawana Adhikari, Vanita Gautam, Chetna Arora, Snigdha Subham, and Rupam Tripathi. "A Rare Root Canal Configuration of Maxillary Canine: A Case Report." Journal of Universal College of Medical Sciences 5, no. 2 (February 8, 2018): 53–56. http://dx.doi.org/10.3126/jucms.v5i2.19167.

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To report a case of endodontic treatment of a maxillary canine in which an extra canal was located and successfully treated. Endodontic therapy is essentially a micro neurologic surgical procedure involving complete debridement and three dimensional obturation of the root canal system to obtain a fluid impervious seal. The foundation of the procedure is based on the intimate knowledge and thorough understanding of the anatomy of both the pulp chamber and the root-canal system. A tooth exhibit variations in their root canal anatomy and poses a challenge in diagnosis and treatment. In the teeth particularly with additional root canals or anatomical variations, root canals are often left untreated and that would be the main reason for unfavourable outcome of the treatment. Maxillary canine are statistically more commonly single rooted, single canal but rarely may have single root with two root canals.Journal of Universal College of Medical Sciences, Vol. 5, No. 2, 2017, Page: 53-56

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Geethanjali, R. "Single visit endodontics." IP Indian Journal of Conservative and Endodontics 6, no. 3 (September 15, 2021): 147–51. http://dx.doi.org/10.18231/j.ijce.2021.032.

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A successful endodontic treatment depends upon localization, proper chemo mechanical preparation of the root canal system, debridement, shaping, disinfection, and three-dimensional obturation of canal system. To achieve this, endodontic therapy used to be performed in multiple visits for complete disinfection of the canals in other words for the better success of endodontic therapy.1

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Hajihassani, Neda, Neda Roohi, Karim Madadi, Mahin Bakhshi, and Maryam Tofangchiha. "Evaluation of Root Canal Morphology of Mandibular First and Second Premolars Using Cone Beam Computed Tomography in a Defined Group of Dental Patients in Iran." Scientifica 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/1504341.

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Background. Successful dental root canal treatments require a complete knowledge of dental anatomy and root canal morphology. Materials and Methods. One hundred and forty-five cone beam computed tomography (CBCT) images were used to assess the anatomy and morphology of mandibular premolars based on Vertucci’s classifications in a defined group of dental patients in Iran. The number of roots and root canals, root canal morphology, root and canal shape (curvature), existence of C-shaped canal, and influence of sex on each of these were evaluated. A chi-squared test was used for statistical analysis. Results. The mandibular first and second premolars had a single root in 95.97% and 100% cases, respectively. In the mandibular first premolars, 62.2% were of type I, 0.8% type II, 10.9% type III, 0.8% type IV, 20.3% type V, 4.2% type VI, and 0.8% type VII; in the second premolars, 78% of canals were of type I, 3% type II, 11% type III, 7% type V, and 1% type VI. C-shaped canals did not exist in either of the premolars. The most prevalent root and canal shape was straight. The most prevalent root curvature was a distal curvature in both premolars (71.4% and 74% of first and second premolars, resp.). The most prevalent canal curvature was lingual and buccal for the first premolars (7.6% each) and distal for the second premolars (11%). No significant difference was found between men and women in nearly all of the above (P>0.05). Conclusion. The results suggest that there is a need to conduct further evaluations on finding root and canal variations among more populations to gain better knowledge prior to root canal treatment.

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Al-Rahabi, Mothanna, and AbdulMujeeb Abdulkhayum. "Single visit root canal treatment: Review." Saudi Endodontic Journal 2, no. 2 (2012): 80. http://dx.doi.org/10.4103/1658-5984.108156.

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Özkan Özcan, Helin, Faruk Haznedaroğlu, and Selçuk Gökyay. "Comparison of the incidence of post-operative pain after low-level laser therapy between single- and multi-visit root canal treatments for chronic apical periodontitis: A prospective randomized clinical trial." International Dental Research 11, no. 1 (April 30, 2021): 30–37. http://dx.doi.org/10.5577/intdentres.2021.vol11.no1.6.

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Aim: The aim of this clinical study was to evaluate the effect of low-level laser therapy, used in conjunction with conventional canal disinfection techniques, on post-operative pain after single- and multi-visit root canal treatments for chronic apical periodontitis. Methodology: 100 volunteers were randomly divided into 4 groups. The main inclusion criteria were radiographic evidence of apical periodontitis (minimum size of 2.0 × 2.0 mm) and a diagnosis of pulpal necrosis confirmed by a negative response to vitality tests. All the root canals were prepared using a standard shaping technique and irrigation procedure. In Groups I and III, the root canals were obturated during the first visit following chemo-mechanical preparation. In Groups II and IV, the root canals were medicated with calcium hydroxide and obturated during a second visit, 1 week later. In Groups III and IV, after the chemo-mechanical preparation, the root canals were additionally irradiated by an 810-nm diode laser at 1.5 W output for 20 seconds. A modified visual analogue scale was used to measure pain at 4, 8, 12, 24, and 48 hours and 7 days after the treatment. Results: There was no statistically significant difference between the groups in terms of post-operative pain at any time during the observation period (p > .05). Post-operative pain occurred only at 8 and 12 hours and at 1, 2, and 3 days in all groups. There was no correlation between the results regarding age, gender, periapical index scores, or tooth type. Conclusion: The use of low-level laser therapy had no significant effect on the incidence of post-operative pain, and single-visit root canal treatment may be a strong alternative to multi-visit treatment. How to cite this article: Özkan Özcan H, Haznedaroğlu F, Gökyay S. Comparison of the incidence of post-operative pain after low-level laser therapy between single- and multi-visit root canal treatments for chronic apical periodontitis: A prospective randomized clinical trial. Int Dent Res 2021;11(1):30-7. https://doi.org/10.5577/intdentres.2021.vol11.no1.6 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

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Dagna, Alberto. "Nickel-Titanium Single-file System in Endodontics." Journal of Contemporary Dental Practice 16, no. 10 (2015): 834–39. http://dx.doi.org/10.5005/jp-journals-10024-1766.

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ABSTRACT Aim This work describes clinical cases treated with a innovative single-use and single-file nickel-titanium (NiTi) system used in continuous rotation. Background Nickel-titanium files are commonly used for root canal treatment but they tend to break because of bending stresses and torsional stresses. Today new instruments used only for one treatment have been introduced. They help the clinician to make the root canal shaping easier and safer because they do not require sterilization and after use have to be discarded. A new sterile instrument is used for each treatment in order to reduce the possibility of fracture inside the canal. The new One Shape NiTi single-file instrument belongs to this group. Case description One Shape is used for complete shaping of root canal after an adequate preflaring. Its protocol is simple and some clinical cases are presented. It is helpful for easy cases and reliable for difficult canals. Conclusion After 2 years of clinical practice, One Shape seems to be helpful for the treatment of most of the root canals, with low risk of separation. After each treatment, the instrument is discarded and not sterilized in autoclave or re-used. Clinical significance This single-use file simplifies the endodontic therapy, because only one instrument is required for canal shaping of many cases. The respect of clinical protocol guarantees predictable good results. How to cite this article Dagna A. Nickel-Titanium Single-file System in Endodontics. J Contemp Dent Pract 2015;16(10): 834-839.

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Atash biz Yeganeh, Leila, Mamak Adel, Reza Vahedi, and Maryam Tofangchiha. "Endodontic Management of a Maxillary First Molar with Two Palatal Canals and a Single Buccal Canal: A Case Report." Case Reports in Dentistry 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/389387.

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Thorough knowledge of root canal morphology is essential for the endodontic therapy. There are rare variations in canal number and configuration in maxillary molars, which could affect treatment outcome. This paper presents the endodontic management of a maxillary first molar with two palatal canals in one root (Vertucci type IV) and a single buccal canal. In this paper cone-beam computed tomography was made to asses this morphology. This paper is intended to reinforce clinician’s awareness of the rare morphology of root canals.

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Razumova, Svetlana, Anzhela Brago, Lamara Khaskhanova, Ammar Howijieh, Haydar Barakat, and Ashot Manvelyan. "A Cone-Beam Computed Tomography Scanning of the Root Canal System of Permanent Teeth among the Moscow Population." International Journal of Dentistry 2018 (September 25, 2018): 1–6. http://dx.doi.org/10.1155/2018/2615746.

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Background. Successful endodontic treatment requires a significant knowledge of root canal anatomy. The aim of this study was to evaluate the root and root canal number of permanent teeth among the Moscow population using cone-beam computed tomography (CBCT) scanning. Materials and methods. 300 CBCT images of subjects were analyzed to study the anatomy of roots and root canal system of each tooth. The collected data were analyzed using IBM SPSS statistics software 22.0 version. Results. The maxillary incisors and canines had one root with one canal in 100%. Maxillary premolars had one root with one or two canals and two roots with two canals, while mandibular premolars were single-rooted with one or two canals. Maxillary first and second molar had three separated roots, and the prevalence of four canals was more often in first molars. Mandibular molars had two roots with different number of canals. Conclusion. The root canal system varies greatly among populations and even in different individuals within the same population; thus, using CBCT scanning is an effective technique in investigating the root canal system.

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Vikram, Mannu. "C-shaped canal, an endodontic challenge." Health Renaissance 11, no. 1 (February 11, 2013): 89–91. http://dx.doi.org/10.3126/hren.v11i1.7610.

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Recognition of unusual variations in the canal configuration is critical because it has been established that the root with a single tapering canal and apical foramen is the exception rather than the rule. C-shaped canals are anatomic features that present the clinician with both diagnostic and operational challenges. The early recognition of these configurations facilitates cleaning, shaping, and obturation of the root canal system. .C. configuration, which is an important anatomic variation, presents a thin fin connecting the root canals.The C-shaped root canal system is an anatomical variant of the root canal structure in which a continuous slit or web connects individual root canals. These C-shaped canals present a challenge to the clinician, both at the diagnostic and treatment level. Health Renaissance, January-April 2013; Vol. 11 No.1; 89-91 DOI: http://dx.doi.org/10.3126/hren.v11i1.7610

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Mittal, Neelam, Vijay Parashar, and Prasad Suresh Patel. "Endodontic Management of Maxillary Second Molar Tooth with a Single Root and Single Canal." Case Reports in Dentistry 2020 (February 3, 2020): 1–3. http://dx.doi.org/10.1155/2020/2829304.

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Comprehensive understanding of variations in the root canal morphology of a maxillary molar is useful for performing successful endodontic treatment in such cases. This case report describes endodontic management of a case with such aberrant root canal morphology of a maxillary second molar having a single root and single canal.

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Bulut, Duygu Goller, Emre Kose, Gozde Ozcan, Ahmet Ercan Sekerci, Emin Murat Canger, and Yıldıray Sisman. "Evaluation of root morphology and root canal configuration of premolars in the Turkish individuals using cone beam computed tomography." European Journal of Dentistry 09, no. 04 (October 2015): 551–57. http://dx.doi.org/10.4103/1305-7456.172624.

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ABSTRACT Objective: The aim of the present study is to assess the root and root canal morphology of maxillary and mandibular premolars in a Turkish population by using cone beam computed tomography (CBCT). Materials and Methods: In this study, CBCT images of 2134 premolars (987 maxillary, 1147 mandibular) were obtained from 404 patients. Details of gender, age, number of roots and canals, and canal configuration in each root were recorded. The canal configuration was classified and evaluated according to Vertucci's criteria. Results: The majority of maxillary premolars had two separate roots; although, three roots were identified in 1% of maxillary first premolars. However, most of the mandibular premolars had a single root. The two canals (69.9%) and type I (62.6%) and type II (34.1%) configuration for upper first premolar, one canal (82.1%) and type I (77.6%) canal configuration for second premolar was the most prevalent root canal frequency. The most prevalent root canal frequency was the one canal (96.2%) and type I (94.2%) and type V (3.2%) configuration for mandibular first premolar, one canal (98.9%) and type I (98.9%) canal configuration for second premolar. There was no difference in the root canal configurations and the numbers of canals between the left and the right side of both females and males (P > 0.05). Conclusions: Recognition of morphology and anatomy of the root canal system is one of the most important factors for successful endodontic treatment. Preoperative CBCT examination allows determination of root canal configuration of premolar teeth and helps clinicians in root canal treatment.

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Namour, A., S. Geerts, T. Zeinoun, R. De Moor, and S. Nammour. "Safety Irradiation Parameters of Nd:YAP Laser Beam for Endodontic Treatments: An In Vitro Study." BioMed Research International 2016 (2016): 1–5. http://dx.doi.org/10.1155/2016/4741516.

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Objective. Nd:YAP laser has several potentialities of clinical applications in endodontics. The aim of our study is to determine the safety range of irradiation parameters during endodontic application of Nd:YAP laser that can be used without damaging and overheating the periodontal tissue.Material and Methods. Twenty-seven caries-free single-rooted extracted human teeth were used. Crowns were sectioned to obtain 11 mm root canal length. Temperature increases at root surfaces were measured by a thermocouple during Nd:YAP laser irradiation of root canals at different energy densities. Canal irradiation was accomplished with a circular and retrograde movement from the apex until the cervical part of the canal during 10 seconds with an axial speed of 1 mm/s. Each irradiation was done in a canal irrigated continuously with 2.25% NaOCl solution.Results. Periodontal temperature increase depends on the value of energy density. Means and standard deviations of temperature increases at root surfaces were below 10°C (safe threshold level) when the average energy densities delivered per second were equal to or below 4981 J/cm2and 9554 J/cm2, respectively, for irradiations using a fiber diameter of 320 μm and 200 μm.Conclusions. Within the limitations of this study and under specific irradiation conditions, Nd:YAP laser beam may be considered harmless for periodontal tissues during endodontic applications.

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Kacarska, Marina, and Julija Zivadinovic. "Root anatomy and apical canal morphology of maxillary first premolars." Macedonian Pharmaceutical Bulletin 64, no. 01 (2018): 89–94. http://dx.doi.org/10.33320/maced.pharm.bull.2018.64.01.008.

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Understanding the root anatomy and apical canal morphology of maxillary premolars is a key prerequisite for successful surgical and endodontic treatment. The aim of this study was to assess the root anatomy and apical canal morphology of maxillary first premolars. To achieve the set task, 30 maxillary first premolars were extracted. After thorough rinse visual assessment of root anatomy was made. Each root was transversally sectioned six millimeters from apex with a straight hand piece. The apical samples were decalcificated in 7.5% trichloroacetic acid, transversal sections were made, stored in 10% formalin then dyed in hematoxylin and eosin and numerated from I to VI. Apical canal morphology was evaluated with an optical microscope. Majority of maxillary first premolars had double roots (63.0%; n=19) that were mostly separated (50.0%; n=15) containing a single root canal. Minority had double roots that were fused (13.0%; n=4) with two root canals. Single root with almost equal occurrence of two, as well as variable root canal configuration were found in (30.0%; n=9). A very rare occurrence of maxillary first premolars with three roots (7.0%; n=2) was detected, two vestibular and one palatal, each containing a single canal configuration. Accessory lateral canals were detected in 20% of maxillary first premolars. Transversal communications were detected in maxillary premolars with one root and double fused roots (26.6%; n=8). A single apical foramen was detected in majority of maxillary first premolars (50.0%; n=15). Two apical foramina were detected in (33.4%; n=10), three in (10.0%; n=3) and four in (6.6%; n=2) maxillary premolars. Keywords: maxillary first premolar, root anatomy, apical canal morphology, decalcification, optical microscopy

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Sharma, Shelly, Anshul Arora, Mandeep S. Grewal, Mamta Singla, and Lakshita Singh. "Nonsurgical Management of Periapical Lesion in Mandibular Incisors with 2 Canals - A Case Report." Journal of Evolution of Medical and Dental Sciences 10, no. 30 (July 26, 2021): 2331–33. http://dx.doi.org/10.14260/jemds/2021/476.

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In-depth knowledge of the root canal system is a major prerequisite for successful endodontic treatment.1 The major aim of endodontic treatment is the eradication of infection and prevention of reinfection in canal. However endodontic treatment may fail because of incomplete knowledge about the anatomical variation of root canals. Most of the times the canal remains untreated because of the inability of the dentist to recognize its presence. For good prognosis of the root canal treatment, proper exploration, complete debridement, biomechanical preparation, and filling of root canal system must be done. Therefore, a dentist must be familiar with all the various possible canal configurations.2 Many times, failure of endodontic treatment may occur because the morphological variation of the tooth unfavourably affects the treatment. Pulpal inflammation can occur as a result of many factors like dental caries or trauma which causes tissue necrosis. Periapical tissue eradication develops in response to microbial accumulation and infiltration of their by-products in the periradicular tissues and activates host's immune reaction.3 The following case report presents the non-surgical management of mandibular central and lateral incisors, with each having two separate canals which join together to form a single canal just before exiting the apical foramen. Before starting root canal treatment, a careful radiographic examination should be done to detect the morphological variations in root canal anatomy. This paper describes two clinical cases of mandibular incisors with or without periapical lesion having two canals.

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Rajakeerthi, Rajamohan, and Malli Suresh Babu Nivedhitha. "Use of Cone Beam Computed Tomography to Identify the Morphology of Maxillary and Mandibular Premolars in Chennai Population." Brazilian Dental Science 22, no. 1 (January 31, 2019): Process. http://dx.doi.org/10.14295/bds.2019.v22i1.1673.

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Objective: The complex root canal anatomy is inherently colonised by microbial flora. Endodontic treatment success is always related to adequate disinfection of the root canal space, which ultimately affects the treatment outcome. A thorough understanding of the external and internal root canal anatomy by using adequately imaging modalities is essential before planning any treatment. The aim of this study was to investigate the number and morphology of the root canals of maxillary and mandibular premolars in Chennai population. Material and Methods: Full-size cone-beam computed tomographic images were randomly collected from 100 patients, resulting in a total of 200 first and 200 second maxillary premolars as well as 200 first and 200 second mandibular premolars. All the eight premolars were analysed in single patients, who underwent cone-beam computed tomography scanning during pre-operative assessment (before implant surgery, orthodontic treatment, diagnosis of dental-alveolar trauma or difficult root canal treatment). Total number of roots and root canals, frequency and correlations between men and women were recorded and statistically analysed by using chi-square tests. The root canal configurations were rated according to the Vertucci’s classification. Results: In the maxillary first premolar group (n = 200), 36.3% had 1 root, 56.7% had 2 roots and 7.0% had 3 roots, with most exhibiting a type IV canal configuration. In the maxillary second premolar group (n = 200), 60% had 1 root, 29.8% had 2 roots and 10.2% had 3 roots, with the majority of single-rooted second premolars exhibiting a type I canal configuration. In the mandibular first premolar group (n = 200), 80.5% had 1 root, 9.8% had 2 roots and 5% had 3 roots. In the mandibular second premolar group (n=200), 90.1% had 1 root, 6.4% had 2 roots and 3.5 % had 3 roots, with most exhibiting a type I canal configuration. No statistical correlation was found between number of roots, gender and tooth position. Conclusion: This cone-beam computed tomographic study confirmed previous anatomical and morphological investigations. Therefore, the possibility of additional root canals should be considered when treating premolars. Keywords: Cone-beam computed tomography; Mandibular; Maxillary; Premolar; Root canal; Morphology.

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Krutika Kiran, Kadam, Vagarali Hemant, Pujar Madhu A, Tamase Aishwarya S, and Sahana Umesh. "Comparative evaluation of shaping ability of trunatomy and protaper gold files in curved canals using cone?beam computed tomography: An invitro study." IP Indian Journal of Conservative and Endodontics 6, no. 2 (June 15, 2021): 101–5. http://dx.doi.org/10.18231/j.ijce.2021.023.

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This study aimed to compare the canal transportation and canal centering ability in the preparation of curved root canals after instrumentation with TruNatomy (TN) (TN; Dentsply Sirona, Maillefer, Ballaigues, Switzerland) and ProTaper Gold (PG) (PG; Dentsply, Tulsa Dental Specialties, Tulsa, OK, USA) files using cone‑beam computed tomography (CBCT). 30 Single rooted extracted human teeth with root curvature ranging from 20-30° according to Schneider’s method were selected. Teeth with any visible cracks or fractures, calcifications, previous root canal treatments were excluded. The teeth were randomly assigned into two groups i.e. Group 1-TN and Group 2-PG (n = 15 each). The teeth were instrumented according to manufacturer’s guidelines for both the groups. Canals were scanned using a CBCT scanner before and after preparation to evaluate the transportation and centering ratio at 3 mm, 5 mm, and 7 mm from the apex. The data analysis was done using SPSS software and the test used was independent sample t test for comparison between the 2 groups.Data obtained suggested that TN group presented lesser canal transportation at the middle third of the root. The PG group showed better centering abitily at apical third of the root canal when both the groups were compared. TN resulted in less transportation than PG at the middle third, and PG showed better centering ability at the apical third. Overall, both systems safely prepared root canals, causing minimal errors.

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Patel, Surbhi, and Pawan Patel. "Endodontic Management of Maxillary Second Molar with Two Palatal Roots: A Report of Two Cases." Case Reports in Dentistry 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/590406.

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Endodontic treatment may sometimes fail because morphological features of the tooth adversely affect the treatment protocol. Maxillary second molars are recognized as usually having a single palatal root with a single palatal canal. The incidence of second palatal root in the maxillary second molar is very rare. Two cases are presented in this paper describing the endodontic management of a four-rooted maxillary second molar with two distinct palatal roots and canals and two distinct buccal roots and canals. Clinical examination and radiographs showed the presence of two palatal roots during the root canal procedure. The canals were biomechanically prepared with crown-down technique and obturated using lateral condensation technique with AH-Plus sealer.

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Nayak, Gurudutt, Surya Dahiya, Inderpreet Singh, and Faiz Hasan Mohammad. "Endodontic Management of an Unusual Maxillary First Molar with a Single Buccal Root." Journal of Contemporary Dental Practice 15, no. 3 (2014): 367–71. http://dx.doi.org/10.5005/jp-journals-10024-1545.

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ABSTRACT Aim The aim of this clinical article is to describe the unusual anatomy that was detected in a maxillary first molar during routine endodontic treatment. Background Variation in root and root canal morphology especially in multirooted teeth presents a constant challenge for a clinician in their detection and management. The literature is replete with cases that have extra canal or root but cases with fused root and fewer numbers of canals are sparse. Case description This case report describes the endodontic management of one such unusual case of maxillary first molar presenting with a single fused buccal and a palatal root. The confirmatory diagnosis of this morphologic aberration was done with the help of spiral computerized tomography, which revealed that the contralateral tooth also had a similar morphology. Conclusion Dental practitioners should always be aware of the fact that abnormalities need not be in form of extra roots or root canals; anomalies can also be in form of fewer number of roots or root canals. Clinical significance A thorough knowledge of the complexities and variations of the root canal system would help in avoiding some of the common iatrogenic access opening errors like perforations and excessive tooth removal caused during the search for the missing or extracanal. How to cite this article Nayak G, Dahiya S, Singh I, Mohammad FH. Endodontic Management of an Unusual Maxillary First Molar with a Single Buccal Root. J Contemp Dent Pract 2014;15(3):367-371.

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Çoban Kanyılmaz, Ata Nisa, Özlem Okumuş, and Hakkı Sunay. "Assessment of root canal anatomy of mandibular incisors using cone-beam computed tomography in a Turkish subpopulation." International Dental Research 11, no. 1 (April 30, 2021): 46–53. http://dx.doi.org/10.5577/intdentres.2021.vol11.no1.8.

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Aim: The achievement of root canal treatment is influenced by the status of the root canals. The aim of this study was to investigate the frequency of second root canals in mandibular incisors and the prevalence of root canal separation in the cervical, middle and apical thirds of cases with 2 root canals. Methodology: Retrospective cone-beam computed tomography (CBCT) datas of 500 patients seen between 2016 and 2018 were evaluated. A total of 300 patients, 134 males and 166 females, aged 13-71 years (mean age 39.34±13.44) were included in this study. A total of 587 central mandibular incisors and 582 lateral mandibular incisors were examined. The number of roots and root canal morphology based on the Vertucci’s classification were analyzed. The effect of gender on the prevalence of root canal anatomy was also evaluated. Results: The occurence of more than 1 root canal in mandibular lateral and mandibular central was 41.2% and 40.4% respectively and all teeth had a single root. Type I (59.2%) was the most common type, followed by Type III (31.4%), Type II (5.8%), Type VII (2.1 %), Type VI (0.8%) and Type V (0.7%). Type IV and Type VIII were not observed. The root canal separation in two root canaI of central and lateral mandibular incisors was found in the middle third of the root in 65.4% and 74.6%, respectively. The incidence of Type III in males (39%) was higher than that of females (25.4%), while the incidences of Type I in females (67.7%) were significantly higher than that of males (48.3%). The prevalence of second canals in mandibular incisors were detected more frequently in men than in women. Conclusion: The prevalence of second canal in total mandibular incisors is 40.8% (Type III was observed the most frequently). CBCT is an appropriate method for identifying of canal morphologies of mandibular incisors. How to cite this article: Çoban Kanyılmaz AN, Okumuş Ö, Sunay H. Assessment of root canal anatomy of mandibular incisors using cone-beam computed tomography in a Turkish subpopulation. Int Dent Res 2021;11(1):46-53. https://doi.org/10.5577/intdentres.2021.vol11.no1.8 Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.

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Yengopal, Veerasamy. "What’s new for the clinician? - Excerpts from and summaries of recently published papers." South African Dental Journal 76, no. 2 (March 31, 2021): 96–99. http://dx.doi.org/10.17159/2519-0105/2021/v76no2a6.

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Choosing an endodontic sealer clinical use is a decision that contributes to the long-term success of non-surgical root canal treatment. Sealers are used as a thin tacky paste which function as a lubricant and luting agent during obturation, allowing the core obturation material, such as gutta-percha points or other rigid materials, to slide in and become fixed in the canal. Sealers can fill voids, lateral canals, and accessory canals where core obturation materials cannot infiltrate. If the sealer does not perform its function, microleakage may cause root canal failure via clinically undetectable passage of bacteria, fluids, molecules or ions between the tooth and restorative material. It has been reported that extrusion of the sealer during root canal filling has cytotoxic effects on periapical tissues, causing periapical inflammation, necrosis and pain. Endodontic sealers are categorized by composition based on setting reaction and composition: zinc oxide eugenol, salicylate, fatty acid, glass ionomer, silicone, epoxy resin, tricalcium silicate, and methacrylate resin sealer systems. Aslan & Özkan (2021) reported on a trial that sought to evaluate the effect of two calcium silicate-based root canal sealers, Endoseal MTA and EndoSequence BC Sealer, on postoperative pain following single-visit root canal treatment on molar teeth compared to their epoxy/ amine resin-based counterpart AH Plus. The null hypotheses tested in this study were as follows:1. The type of sealer used would not change the incidence and the intensity of post-treatment endodontic pain2. The analgesic intake of patients following single-visit root canal treatment

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Nivas Varatharajan, Pradeep, Manoj kumar thirunavukkarasu, Athul Babu Kurian, and K. Madhuram. "Endodontic management of multiple roots and root canals in mandibular canine: A case report series." IP Indian Journal of Conservative and Endodontics 6, no. 3 (September 15, 2021): 166–70. http://dx.doi.org/10.18231/j.ijce.2021.036.

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Successful endodontic treatment depends upon the clinician’s precise knowledge and ability to manage complex internal anatomy in order to avoid failure during endodontic treatment. Mandibular canines normally have single root with centrally placed single canal and internal anatomy as simple as could be expected, but there are such canines with a single root with two canals, two roots or fused roots. The occurrence of two canal joining to one for a men may be a rare entity with 4-15% prevalence. Canine is the cornerstone of mouth due to its position and very important as abutment for any type of restoration, so long term success of the restorative depend directly on the quality of endodontic treatment. This article presents a case series of successful endodontic management of mandibular canine with two canals which merge into one canal with one foramina and mandibular canine with two roots and two canals.

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Abd Rahman, Fahmida Binti. "Single visit versus multiple visit root canal." Bioinformation 16, no. 12 (December 31, 2020): 1100–1104. http://dx.doi.org/10.6026/973206300161100.

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Single visit endodontics offers many advantages over multi visit treatment. Therefore, it is of interest to assess the preference of single visit over multiple visit root canals. We used 86,000 patient records and selected 9017 records matching the inclusion criteria for the analysis using statistical tools (Chi square test at p value<0.05). Data shows that people between 26 to 45 years are often affected with dental caries. Available data is biased towards multi visits rather than single visit regardless number of canals.

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Abd Rahman, Fahmida Binti. "Single visit versus multiple visit root canal." Bioinformation 16, no. 12 (December 31, 2020): 1100–1104. http://dx.doi.org/10.6026/973206300161100.

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Single visit endodontics offers many advantages over multi visit treatment. Therefore, it is of interest to assess the preference of single visit over multiple visit root canals. We used 86,000 patient records and selected 9017 records matching the inclusion criteria for the analysis using statistical tools (Chi square test at p value<0.05). Data shows that people between 26 to 45 years are often affected with dental caries. Available data is biased towards multi visits rather than single visit regardless number of canals.

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Umesi, DC, JI Edionwe, and OP Shaba. "Single visit root canal treatment: A prospective study." Nigerian Journal of Clinical Practice 17, no. 3 (2014): 276. http://dx.doi.org/10.4103/1119-3077.130210.

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Bhagwat, Sumita, and Nehal Sheth. "Preliminary in vivo Investigation into the Relationship between Canal Preparation Protocol and Incidence of Postoperative Pain in Single-visit and Two-visit Endodontic Therapy: A Randomized Controlled Clinical Trial." Journal of Contemporary Dentistry 7, no. 1 (2017): 48–52. http://dx.doi.org/10.5005/jp-journals-10031-1184.

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ABSTRACT Introduction Postoperative pain is a major concern for patients undergoing root canal treatment. Much research has gone into the alteration of several variables to determine the elusive technique that will result in no postoperative pain. Aim The aim of our study was to investigate the incidence, severity, and duration of postoperative pain in relation to technique of root canal preparation and compare the difference in incidence, severity, and duration of postoperative pain in single- and two-sitting root canal therapy when different instrumentation techniques are used. Materials and methods Sixty adult patients requiring root canal therapy were selected and divided into six groups. Singlesitting root canal treatment was carried out in three groups, with three different canal preparation methods (group I – Conventional hand files, group II – hand ProTaper files, and group III – rotary ProTaper files). Two-sitting root canal treatment was carried out in three groups, with the same canal preparation methods (group IV – conventional hand files, group V – hand ProTaper files, and group VI – rotary ProTaper files). Postoperatively, the subjects were instructed to fill out a series of self-report questionnaires for pain incidence after 1 day, 2 days, 3 days, 1 week, and 2 weeks. After 2 weeks, the patients were recalled and their responses were duly noted. Results Results were tabulated and statistically analyzed using Mann–Whitney U test. Conclusion There was a significant difference in incidence, character, and duration of postoperative pain in rotary-prepared canals as compared with hand-prepared canals in both singleand two-sitting endodontics. Clinical significance The purpose of this study was to search for a predictability in incidence, duration, and character of postoperative pain in canals instrumented with hand and rotary instruments. Knowing this will enable clinicians to make more prudent choices in instruments, techniques, and protocols for root canal therapy. How to cite this article Bhagwat S, Sheth N, Padhye L. Preliminary in vivo Investigation into the Relationship between Canal Preparation Protocol and Incidence of Postoperative Pain in Single-visit and Two-visit Endodontic Therapy: A Randomized Controlled Clinical Trial. J Contemp Dent 2017;7(1):48-52.

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Gurgel-Filho, Eduardo Diogo, Nilton Vivacqua-Gomes, Brenda Paula Figueiredo de Almeida Gomes, Caio Cezar Randi Ferraz, Alexandre Augusto Zaia, and Francisco José de Souza-Filho. "In vitro evaluation of the effectiveness of the chemomechanical preparation against Enterococcus faecalis after single- or multiple-visit root canal treatment." Brazilian Oral Research 21, no. 4 (December 2007): 308–13. http://dx.doi.org/10.1590/s1806-83242007000400005.

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The purpose was to assess the elimination of Enterococcus faecalis in vitro in human mandibular premolars after chemomechanical preparation with or without the use of a calcium hydroxide dressing. After 60 days of contamination with E. faecalis, the root canals were prepared using the Crown-Down technique combined with 2% chlorhexidine gel irrigation. Then, the specimens were divided into two experimental groups, treated in a single visit or in multiple visits, and two control groups. The multiple-visit group received a dressing with calcium hydroxide for 14 days (CalenTM) and the single-visit group did not receive any medication. In the two control groups, the canals were filled with BHI after chemomechanical preparation with 2% chlorhexidine gel or distilled water. Microbial samples were taken from the root canals for colony forming unit count for each phase of the treatment using sterile paper points inside the root canal lumen. Data were ranked and analyzed by the Kruskal-Wallis statistical test. The residual microbial colonies were then assessed. The results showed that chemomechanical preparation using 2% chlorhexidine gel with no intra-canal dressing reduced by 100% the E. faecalis contamination of the root canal lumen. The calcium-hydroxide group that received the 14-day intra-canal dressing allowed a small number of bacteria to grow between visits, but without statistical differences between groups.

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Ghorai, Laboni, and Rupankar Dey. "Mono-Radicular mandibular canine with complex canal anatomy — A unique case report." IP Indian Journal of Conservative and Endodontics 6, no. 3 (September 15, 2021): 157–59. http://dx.doi.org/10.18231/j.ijce.2021.034.

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A comprehensive knowledge of the root canal anatomy is essential for successful endodontic treatment. However, presence of anatomic variation in the tooth can be diagnostically and technically challenging and hence may pose difficulties during endodontic therapy. The anatomical variations associated with permanent mandibular canines have been reported by several investigators. Mandibular canines are recognized as usually having one root with one root canal in majority of cases. The occurrence of two root canals in single-rooted mandibular canine is considered unusual in Indian population. This case report describes non-surgical endodontic management of right permanent mandibular canine having one root with two canals and one apical foramen (Vertucci Type II).

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Majety, Kishore Kumar, Ramesh Giriyappa Halebathi, and Bhavana Gandhi. "Root Canal Treatment of a Mandibular Second Molar with a Reverse Anatomy." World Journal of Dentistry 3, no. 1 (2012): 97–99. http://dx.doi.org/10.5005/jp-journals-10015-1136.

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ABSTRACT The complex anatomy of the root canal system takes up many configurations and variations are not uncommon. A clinician should be aware of the normal, so as to recognize these aberrations in the anatomy. Successful root canal therapy is achieved by thorough shaping and cleaning of the root canal system followed by obturation of the radicular space. The aim of the present article is to describe a case of a mandibular second molar with an unusual anatomy of having a single mesial canal and two distal canals which is in reverse to usually seen, encountered during routine endodontic treatment. The clinician should always keep in mind that anatomic aberrations can occur in any tooth and the recognition of these is achieved by thorough examination of the internal anatomy of the tooth and its radiographs. How to cite this article Giriyappa RH, Majety KK, Gandhi B. Root Canal Treatment of a Mandibular Second Molar with a Reverse Anatomy. World J Dent 2012;3(1):97-99.

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Perlea, Paula, Cristina Coralia Nistor, Alexandru Andrei Iliescu, and Mihaela Jana Ţuculină. "Endodontic treatment of apical inflammatory root resorption." Romanian Journal of Stomatology 61, no. 1 (March 31, 2015): 49–54. http://dx.doi.org/10.37897/rjs.2015.1.9.

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Apical inflammatory root resorptions are frequently the result of long lasting chronical inflammation. Untreated, these situations can lead to loss of hard tissue and even the loss of the tooth. The management of these lesions consists of multi-visit canal treatment, with calcium-hydroxide as interappointment dressing and application of MTA. Single-visit treatment may be also an option. Our clinical cases show the importance of correct diagnosis of the apical inflammatory progressive root resorptions and the evaluation of the outcome of the endodontic treatment due to the use of cone-beam computing tomography (CBCT). The treatments proved to be successful. Although some of the root canal filling seem to be incomplete on radiographs, because of the oblique defect and the roots remained short, the functionality of the teeth could be preserved. Precise information influences the diagnosis and the treatment planning decision.

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Subrata, Aryadi, Anastasia Elsa Prahasti, and Bernard Ongki Iskandar. "Influence of Two Root Canal Obturation Techniques with Resin Based Sealer to Enterococcus faecalis Penetration." Journal of Indonesian Dental Association 1, no. 2 (April 30, 2019): 55. http://dx.doi.org/10.32793/jida.v1i2.358.

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Introduction: Root canal treatment is done to maintain the teeth to last as long as possible in the oral cavity. This can be done with three main stages, such as biomechanical preparation, sterilization and root canal filling. The hermetic seal of root canal filling has an important role in the success of root canal treatment. Objective: The aim of this in-vitro study is to compare the microbial leakage of root canals filled with RealSeal sealer/Resilon Points and AH Plus sealer/conventional gutta-percha points using single cone obturation technique and warm vertical compaction technique. Methods: Thirty-two extracted human mandibular premolars with single canals were decoronated to a standardized root length of 15 mm and prepared using crown-down technique to a master apical file size 30/.09. Teeth were divided into four experimental groups (n = 7 each group) and controls (n = 1 each group). Teeth in the first group were obturated using single master gutta percha cone and AH Plus sealer and second group were obturated with single Resilon gutta percha cone using RealSeal sealer. Third experimental group was filled with warm vertical condensed gutta-percha using AH Plus sealer and fourth group was filled with warm vertical condensed Resilon gutta-percha using RealSeal sealer. The coronal chamber of each sample were inoculated with Enterococcus faecalis. Results: There were no significant differences between the four experimental groups (P = 0.182). The differences occurred only in the survival time from each group. Group 4 (Warm Vertical Condensation - RealSeal) has the lowest leakage rate among other groups and the fastest leakage occurred in group 1 (Single Cone - AH Plus). Conclusion: The single-cone techniques does not insure durable apical seal against bacterial leakage. Warm vertical compaction technique using Resilon gutta-percha and RealSeal sealer appears to be more effective in minimizing bacterial leakage than gutta-percha and AH Plus sealer.

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Gomes, Fabio De Almeida, Renata Ferreira Pinto Barbosa, Yvelise Aquino Mesquita, Cláudio Maniglia Ferreira, Renata Cordeiro Teixeira, and Luiz Carlos Trévia Morais Correia Viana. "In vitro analysis of the internal anatomy of lower incisors by cone beam computerized tomography." RSBO 1, no. 2 (October 16, 2017): 80. http://dx.doi.org/10.21726/rsbo.v1i2.407.

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For the success of endodontic treatment, the knowledge of the internal anatomy becomes essential. Objective: to analyze the prevalence of lower incisor canals in a clinical and tomographic analysis. Material and methods: 148 lower incisors were used, measured, and evaluated through periapical radiograph and computed tomography. Results: in relation to the number of canals, 107 teeth(72.3%) presented a single canal, while 41 teeth (27.7%) presented two canals. Of the 41 teeth presenting 2 canals, 3 teeth presented independent canals (2.03%) and 38 teeth had 2 canals that joined at some point of the canal path (25.67%). Conclusion: The prevalence of two canals in the lower permanent human incisors was 27.7%; of these, 2.03% were independent. The main point of root canal union was at the apical third (20.94%). The most commonly found root canal shape was round in cervical third, flattened in middle third, and round in third apical.

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Fabio de Almeida Gomes, Renata Ferreira Pinto Barbosa, Yvelise Aquino Mesquita, Cláudio Maniglia Ferreira, Renata Cordeiro Teixeira, and Luiz Carlos Trévia Morais Correia Viana. "In vitro analysis of the internal anatomy of lower incisors by cone beam computerized tomography." RSBO 14, no. 2 (June 29, 2017): 80–05. http://dx.doi.org/10.21726/rsbo.v14i2.643.

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For the success of endodontic treatment, the knowledge of the internal anatomy becomes essential. Objective: to analyze the prevalence of lower incisor canals in a clinical and tomographic analysis. Material and methods: 148 lower incisors were used, measured, and evaluated through periapical radiograph and computed tomography. Results: in relation to the number of canals, 107 teeth (72.3%) presented a single canal, while 41 teeth (27.7%) presented two canals. Of the 41 teeth presenting 2 canals, 3 teeth presented independent canals (2.03%) and 38 teeth had 2 canals that joined at some point of the canal path (25.67%). Conclusion: The prevalence of two canals in the lower permanent human incisors was 27.7%; of these, 2.03% were independent. The main point of root canal union was at the apical third (20.94%). The most commonly found root canal shape was round in cervical third, flattened in middle third, and round in third apical.

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Schwendicke, Falk, and Gerd Göstemeyer. "Cost-effectiveness of Single- Versus Multistep Root Canal Treatment." Journal of Endodontics 42, no. 10 (October 2016): 1446–52. http://dx.doi.org/10.1016/j.joen.2016.06.013.

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Su Greaves, Tuba. "Single visit or multiple visit in root canal treatment?" BALIKESIR HEALTH SCIENCES JOURNAL 6, no. 1 (2017): 43–50. http://dx.doi.org/10.5505/bsbd.2017.85856.

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Chowdhury, Farhana, Khaleda Akter, Mohammad Shamsuzzaman, Khadizatul Kobra, Marium Choudhury, and Mohammad Khusheed Alam. "Quality of Root Canal Treatment Performed By Undergraduate Dental Students ofBangladesh Dental College." International Journal of Human and Health Sciences (IJHHS) 2, no. 3 (May 18, 2018): 136. http://dx.doi.org/10.31344/ijhhs.v2i3.41.

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Background: Root canal treatment are most commonly in Dental clinic, college and hospitals by dentist. It is inevitable for graduated to be qualified to perform root canal treatment efficiently.Objective: Evaluation of quality of root canal treatment by undergraduates of Bangladesh Dental College.Materials and Methods: A retrospective study was performed using a total of 600 intra periapical radiographs. Total 200 patient underwent root canal treatment by undergraduates of Bangladesh Dental college were used for assessment. Three qualified investigators assessed the quality of treatment. Descriptive statistics used to present the results.Results: 64% of root canal treatment performed by phase IV undergraduates’ student. Mostly anterior/single canal root canal treatment were done. As per pulp status, pulpitis, necrosis, periapical lesion and failure of previous root canal treatment were high. Among cmplications, instrument breakage and under filling were 14% and 12 % respectively. Percentage of acceptable to perfect quality of root canal treatment was 55%Conclusion: Based on results only 4% root canal treatment was perfectly performed which is very low. Acceptable quality of root canal treatment percentage was 51%.International Journal of Human and Health Sciences Vol. 02 No. 03 July’18. Page : 136-139

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Nayak, Gurudutt, Shashit Shetty, Hitesh Chopra, and Abhinav Sharma. "Endodontic management of maxillary first molar with five canals: Report of a case aided with spiral computed tomography." Serbian Dental Journal 59, no. 2 (2012): 104–9. http://dx.doi.org/10.2298/sgs1202104n.

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Introduction. Maxillary first molars have shown substantial dissimilarity regarding their number of roots, canals and morphology. Most commonly, it has three roots and four canals, two mesiobuccal, one distobuccal and one palatal canal. The incidence of second mesiobuccal canal has been reported between 18% and 96.1% while the incidence of two distobuccal canals was found in 1.64% to 9.50% of cases. Periapical (PA) radiography has been commonly used to determine root canal anatomy even though it is two-dimensional representation of a three-dimensional object. Advanced diagnostic methods as spiral computed tomography (SCT) provide three-dimensional images useful to determine complex canal morphology. Case Report. A 31-year-old male patient was referred for endodontic treatment of the maxillary right first molar. Endodontic access cavity revealed two canal openings in each of the mesiobuccal and distobuccal roots and one canal in the palatal root later confirmed using the SCT and conventional PA radiography. The canals were instrumented using crown down technique with ProTaper NiTi rotary files. Obturation was performed using single gutta-percha cone and AH Plus paste. The patient remained asymptomatic during the regular checkups. Conclusion. Knowledge, detection and management of complex canal anatomy is of the foremost importance in endodontics since missed canals are one of well recognised reasons for endodontic treatment failure.

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PERLEA, Paula, Cristina NISTOR, and Alexandru Andrei ILIESCU. "Single visit endodontic retreatment – controversies." Romanian Journal of Medical Practice 10, no. 1 (March 31, 2015): 56–61. http://dx.doi.org/10.37897/rjmp.2015.1.9.

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Healing of apical periodontitis, even of considerable dimensions, may be obtained by root canal treatment in a single treatment session (single visit), without the need for application of a medical dressing such as calcium hydroxide before the root canal filling. Treatment by single visit is based on the inactivation of the remaining bacteria, by isolating them against the nutrients and the elimination of the space required for multiplication using a three-dimensional tight filling. The clinical case presented shows the predictability of properly performed endodontic retreatment in a single visit, highlighting the controversies related to this clinical approach.

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Subrata, Aryadi, Anastasia Elsa Prahasti, and Bernard Ongki Iskandar. "Influence of Two Root Canal Obturation Techniques with Resin Based Sealer to Enterococcus faecalis Penetration." Journal of Indonesian Dental Association 2, no. 1 (April 30, 2019): 21. http://dx.doi.org/10.32793/jida.v2i1.358.

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Introduction: Root canal treatment is done to maintain the teeth to last as long as possible in the oral cavity. This can be done with three main stages, such as biomechanical preparation, sterilization and root canal filling. The hermetic seal of root canal filling has an important role in the success of root canal treatment. Objective: The aim of this in-vitro study is to compare the microbial leakage of root canals filled with RealSeal sealer/Resilon Points and AH Plus sealer/conventional gutta-percha points using single cone obturation technique and warm vertical compaction technique. Methods: Thirty-two extracted human mandibular premolars with single canals were decoronated to a standardized root length of 15 mm and prepared using crown-down technique to a master apical file size 30/.09. Teeth were divided into four experimental groups (n = 7 each group) and controls (n = 1 each group). Teeth in the first group were obturated using single master gutta percha cone and AH Plus sealer and second group were obturated with single Resilon gutta percha cone using RealSeal sealer. Third experimental group was filled with warm vertical condensed gutta-percha using AH Plus sealer and fourth group was filled with warm vertical condensed Resilon gutta-percha using RealSeal sealer. The coronal chamber of each sample were inoculated with Enterococcus faecalis. Results: There were no significant differences between the four experimental groups (P = 0.182). The differences occurred only in the survival time from each group. Group 4 (Warm Vertical Condensation - RealSeal) has the lowest leakage rate among other groups and the fastest leakage occurred in group 1 (Single Cone - AH Plus). Conclusion: The single-cone techniques does not insure durable apical seal against bacterial leakage. Warm vertical compaction technique using Resilon gutta-percha and RealSeal sealer appears to be more effective in minimizing bacterial leakage than gutta-percha and AH Plus sealer.

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Saati, Samira, Abbas Shokri, Maryam Foroozandeh, Jalal Poorolajal, and Nooshin Mosleh. "Root Morphology and Number of Canals in Mandibular Central and Lateral Incisors Using Cone Beam Computed Tomography." Brazilian Dental Journal 29, no. 3 (May 2018): 239–44. http://dx.doi.org/10.1590/0103-6440201801925.

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Abstract Most failures in endodontic treatment of mandibular incisors are due to the presence of a missed canal specifically the lingual. This investigation aimed to examine the root morphology and number of canals in mandibular incisors using cone beam computed tomography (CBCT). Two hundred and seven patients were assessed in terms of their mandibular central and lateral incisors of CBCT. The inclusion criteria were absence of root resorption, coronal restoration or root filling and clarity and optimal resolution of images. According to the Vertucci’s classification, number of roots and canals and type of canal were evaluated by two oral and maxillofacial radiologists. In order to data analysis SPSS version 16 and descriptive statistics were implemented. All mandibular incisors had one root. Most central (84.5%) and lateral (78.2%) incisors had a single canal (p= 0.065). The majority of central (54.5%) and lateral (56.5%) incisors were Vertucci’s type I (p= 0.102). Prevalence of one canal in males: central (84.8%), lateral (77.9%) and in females: central (84.2%), lateral (78.5%) (p= 0.518). Prevalence of Vertucci’s type I in males: central (52.3%), lateral (45.3%) and in females: central (56.1%), lateral (64.4%) (p=0.188). The prevalence of two canals was 15.5% (central) and 21.8% (lateral) in mandibular incisors. The Vertucci’s type I was the most typical kinds of mandibular incisors. Considering the limitations of periapical radiography in determining canal morphology, CBCT can be helpful in case of any concern regarding root canal morphology.

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Journal articles on the topic 'Single root canal treatments'

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