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Journal articles on the topic 'Mandibular First Molar'

Author: Grafiati

Published: 5 June 2025

Last updated: 15 July 2025

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1

Lim, Heejung, Eungyung Lee, Taesung Jeong, and Jonghyun Shin. "Cantilever-Type Traction Appliance for Mandibular First Permanent Molars with Eruption Disturbances." JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY 48, no. 2 (2021): 229–36. http://dx.doi.org/10.5933/jkapd.2021.48.2.229.

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Eruption disturbances of the mandibular first molars can cause multiple problems in occlusal development although they are extremely rare. Early diagnosis and treatment are very important to prevent complications associated with eruption disturbances. The present case report describes the treatment of two cases of eruption disturbances of the mandibular first permanent molar. A fixed appliance composed of a cantilever spring with mandibular second deciduous molar as an anchor tooth was used to tract the impacted mandibular first permanent molar. The success of both cases shows that this novel

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Fourneau, Eléonore, and Raphael Olszewski. "Taurodontic teeth in cone beam computed tomography: pictorial review." NEMESIS Negative effects in medical science: oral and maxillofacial surgery 33, no. 1 (2023): 1–44. http://dx.doi.org/10.14428/nemesis.v33i1.81953.

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Objective: Taurodontism is a developmental disorder with enlargement of the body of the tooth and lack of cervical constriction, which results in a large pulp chamber and small roots with the apical displacement of furcation. Taurodontism exists in deciduous, and definitive unilateral, and bilateral teeth. We found that taurodontism was also described in 67 syndromes. We proposed a review of the open access literature on taurodontism, a new clinical classification of taurodontic teeth with illustrations from free open access literature, and from our case serie of 15 patients. Material an

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3

Kaur, Harpuneet. "Unusual occlusal morphology of permanent maxillary second molar and mandibular first molar: A case report." IP Indian Journal of Conservative and Endodontics 9, no. 3 (2024): 139–41. http://dx.doi.org/10.18231/j.ijce.2024.030.

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Typically, maxillary second molars have a different number, size, and arrangement of cusps than molar teeth, which have four cusps and a square occlusal surface. Mandibular molars are considerably less likely to have an oblique ridge, and buccal accessory cusps are very rare. This case study aimed to describe a unique case of a permanent maxillary second molar and a permanent mandibular first molar with an oblique that resembled the maxillary molar crown.

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Bains, R., K. Verma, K. Loomba, VK Bains, and A. Loomba. "Mandibular First Molar with Middle Distal Canal: A Case Report." Journal of Oral Health and Community Dentistry 7, no. 1 (2013): 69–71. http://dx.doi.org/10.5005/johcd-7-1-69.

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ABSTRACT Limited data reports the occurrence of three or more canals in distal roots of mandibular first permanent molars. This paper presents and discusses a clinical report of root canal therapy in a permanent mandibular first molar and empahasises on the utilisation of magnification for the assessment, and acquaintance of the possible canal configuration, alongwith the management of middle distal canal of permanent mandibular first molar.

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Andria, Louis Matthew, Luis Paulo Leite, April M. Dunlap, Emily C. Cooper, and Lydia Buxbaum King. "Mandibular First Molar Relation to Variable Lower Face Skeletal Components." Angle Orthodontist 77, no. 1 (2007): 21–28. http://dx.doi.org/10.2319/r.1.

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Abstract Objective: To evaluate the position of the mandibular first permanent molar in the mandible relative to several factors. Materials and Methods: A total of 185 untreated Class I and Class II patients were randomly selected from a sample of 350 patients from a single office. The palatal and mandibular planes were related to Frankfort horizontal to create the interjaw or “B” angle. Age and the mesial contact of the mandibular first molars were used. The landmarks were projected at right angles to the Frankfort horizontal for effective mandibular dimension lengths. Actual-length dimension

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6

Choi, Sung-Kwon, and Kyung-Hwa Kang. "Mandibular second and third molar protraction with orthodontic mini-implants: case report." Journal of The Korean Dental Association 57, no. 11 (2019): 654–63. http://dx.doi.org/10.22974/jkda.2019.57.11.002.

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This case report describes the management of a 30-year-old woman with hopeless mandibular first molars and right maxillary second premolar. The treatment plan included mandibular second and third molar protraction after extraction of mandibular first molars. Mini-implants were placed between roots of first and second premolar. Sliding mechanics with lever arm was used to prevent inclination of molars. A good functional occlusion was achieved in 38 months without clinically significant side effects. Most of the extraction space of mandibular first molar was closed by protraction of second and t

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Kurokawa, Makoto, Hiroyuki Kanzaki, Hajime Tokiwa, et al. "The main occluding area in normal occlusion and mandibular prognathism." Angle Orthodontist 86, no. 1 (2015): 87–93. http://dx.doi.org/10.2319/111114-807.1.

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ABSTRACT Objective: To clarify whether the concept of main occluding area, where hard food is initially crushed, exists in patients who have a jaw deformity. Materials and Methods: Nineteen subjects with normal occlusion, 18 patients with mandibular prognathism, and 11 patients with mandibular prognathism who had undergone orthognathic surgery participated in this study. The main occluding area was identified by clenching Temporary Stopping. The coincidence, location of the main occluding area, and distance from the first molars to main occluding area were examined. Results: High coincidence o

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Baik, Un-Bong, Hong-Beom Choi, Yoon-Ji Kim, Dong-Yul Lee, Junji Sugawara, and Ravindra Nanda. "Change in alveolar bone level of mandibular second and third molars after second molar protraction into missing first molar or second premolar space." European Journal of Orthodontics 41, no. 5 (2019): 513–18. http://dx.doi.org/10.1093/ejo/cjz001.

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Summary Objective To investigate the factors associated with the change in alveolar bone level of mandibular second and third molars after second molar protraction into the space of the missing first molar (L6) or second premolar (LE). Methods Fifty-one patients in whom space of the missing L6 or LE was treated with second molar protraction (13 males, 38 females, mean age 19.6 ± 4.7 years) from 2003 to 2015 were included. The alveolar bone level and position and angulation of the mandibular second and third molars were measured in panoramic radiographs at pre-treatment (T1), and after the alig

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9

Min, Kyung san. "Clinical Management of a Mandibular First Molar with Multiple Mesial Canals: A Case Report." Journal of Contemporary Dental Practice 5, no. 3 (2004): 142–49. http://dx.doi.org/10.5005/jcdp-5-3-142.

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Abstract A right mandibular first molar requiring root canal treatment was found to have three separate mesial canals. This case demonstrates an extraordinary anatomical configuration and supplements previous reports of the existence of such configurations in mandibular first molars. Citation Min KS . Clinical Management of a Mandibular First Molar with Multiple Mesial Canals: A Case Report. J Contemp Dent Pract 2004 August;(5)3:142-149.

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Javed, Sana, Mahwash Malik Baloch, Muhammad Shoaib, Asad Tahir, Shuja Aslam, and Abdul Ghani Shaikh. "Determination of Eruption Timings of Mandibular and Maxillary First Permanent Molar and its Association with BMI of Children." Pakistan Journal of Medical and Health Sciences 16, no. 5 (2022): 1418–20. http://dx.doi.org/10.53350/pjmhs221651418.

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Objective: To determine the association of eruption timing of the mandibular and maxillary first permanent molars with BMI of children in school children of Hyderabad. Subject and Methods: A total of 704 (364 boys 340 girls) school children from various government schools of Hyderabad city were enrolled in the study. All the children were in age range on 5 to 8 years. A dental examination was conducted to determine the presence of permanent mandibular and maxillary first molars. Children's height and weight were recorded in meters and kilograms, and their BMI was calculated. The SPSS version 2

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Mai, Zhibin, Zilong Deng, and Wanghong Zhao. "A CBCT-Based Comparative Study of Alveolar Bone Parameters and Implant Outcomes Among Patients Suffering the Mandibular First and Second Molar Defects." Annali Italiani di Chirurgia 96, no. 5 (2025): 644–53. https://doi.org/10.62713/aic.3951.

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AIM: This study aimed to evaluate the anatomical differences in the alveolar bone at edentulous sites of the mandibular first and second molars using cone-beam computed tomography (CBCT) and to assess their impact on implant outcomes, thereby providing clinical insights to improve implant success in the mandibular second molar region. METHODS: A total of 504 patients with missing mandibular first or second molars were recruited in the Department of Stomatology at Foshan Fosun Chancheng Hospital between June 2020 and June 2023. These patients were divided into two groups: mandibular first molar

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Ashfaq, Muhammad, Mubassar Fida, and Farheen Fatima. "CBCT Based Assessment of First Molar Inclination in Adult Subjects." Journal of the Pakistan Dental Association 32, no. 01 (2023): 4–7. http://dx.doi.org/10.25301/jpda.321.4.

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OBJECTIVE: The ideal buccolingual (BL) inclination of posterior dentition allows maximum intercuspation and avoids occlusal interferences at rest and during jaw movements. Therefore the objective of present study was to evaluate the BL inclination of upper and lower first molars in adult patients. METHODOLOGY: A cross-sectional study was conducted on 52 subjects visited dental clinics. The evaluation of BL inclination of maxillary and mandibular first molars was done using CBCT images on Galaxis/Galileos implant viewer software. After sagittal orientation, the angle was measured on the tranver

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Kamboj, Ashish, Sampann Chowdhry, S. S. Chopra, Nishant Sinha, Atul Bali, and Gagandeep Kochar. "Mandibular first molar with radix entomolaris: A case report." IP International Journal of Maxillofacial Imaging 7, no. 4 (2022): 186–88. http://dx.doi.org/10.18231/j.ijmi.2021.033.

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Anatomic variations of mandibular molars are documented in literature. Variations in the anatomy are not appreciated by a great number of general dental practitioners. One such variation is occurrence of radix entomolaris, a supernumerary root occurring on the disto-lingual aspect of mandibular molars. This anomaly is rarely known to occur in the Indian population. Literature has also shown that the knowledge about the variations in the distal root anatomy in mandibular molars is not commonly known. This case reports the occurrence of radix entomolaris in mandibular first molar with three root

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Jacob, Helder Baldi, Shawn LeMert, Richard G. Alexander, and Peter H. Buschang. "Second molar impaction associated with lip bumper therapy." Dental Press Journal of Orthodontics 19, no. 6 (2014): 99–104. http://dx.doi.org/10.1590/2176-9451.19.6.099-104.oar.

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INTRODUCTION: Although lip bumpers (LBs) provide significant clinical gain of mandibular arch perimeter in mixed-dentition patients, orthodontists are reluctant to use them due to the possibility of permanent second molar eruptive disturbances.OBJECTIVE: The present study was conducted to assess second molar impaction associated with the use of LBs, and to investigate how they can be solved.MATERIAL AND METHODS: Lateral and panoramic radiographs of 67 patients (34 females and 33 males) were assessed prior (T1) and post-LB treatment (T2). LB therapy lasted for approximately 1.8 ± 0.9 years. Con

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Sayadizadeh, Mahsa, Raziyeh Shojaeipour, Hamidreza Poureslami, Sajad Raeisi Estabragh, and Maryam Sharifi. "In vitro comparison of microleakage with two different techniques of placing stainless steel crowns on mandibular deciduous first molar teeth with decreased mesiodistal width." Journal of Dental Research, Dental Clinics, Dental Prospects 16, no. 1 (2022): 35–39. http://dx.doi.org/10.34172/joddd.2022.006.

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Background. Stainless steel crowns (SSCs) of the opposing maxillary deciduous molar teeth are used in mandibular deciduous first molars with decreased proximal surfaces due to caries. However, the SSCs of maxillary deciduous molar teeth are different from those of the mandibular deciduous molars in terms of the occlusal surface morphology, the buccal margin, and the proximal surface contour. Therefore, it is possible to prepare the buccal and lingual surfaces to use the SSC of the lower deciduous molar teeth and compare microleakage. Methods. Eighty extracted mandibular deciduous first molars

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Alkhatib, Rola, and Chun-Hsi Chung. "Buccolingual inclination of first molars in untreated adults: A CBCT study." Angle Orthodontist 87, no. 4 (2017): 598–602. http://dx.doi.org/10.2319/110116-786.1.

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ABSTRACT Objective: To evaluate the buccolingual inclinations of maxillary and mandibular first molars in untreated adults. Materials and Methods: Fifty-nine subjects (14 males and 45 females; mean age, 41.2 years) with no missing teeth, no crossbite, and minimal crowding were included. For each subject, a CBCT was taken. The long axis of each first molar was determined, and the inclination of each molar was measured using the long axis and the floor. Results: One hundred seventeen out of 118 mandibular first molars measured had a lingual inclination, with a mean of 12.59° ± 5.47°. For the max

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Lipski, M., K. Woźniak, D. Lichota, and A. Nowicka. "Root surface temperature rise of mandibular first molar during root canal filling with high-temperature thermoplasticized Gutta-Percha in the dog." Polish Journal of Veterinary Sciences 14, no. 4 (2011): 591–95. http://dx.doi.org/10.2478/v10181-011-0088-6.

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Root surface temperature rise of mandibular first molar during root canal filling with high-temperature thermoplasticized Gutta-Percha in the dogThis in vitro study evaluated the temperature rise on the outer root surface of the mandibular first molar following root canal filling using the high-temperature, thermoplasticized, Gutta-Percha technique (HTTG) (BeeFill) in the dog. Twelve extracted dog mandibular first molars were used. After root canal preparation, the teeth were filled with thermoplasticized Gutta-Percha and root canal sealer. Temperature changes on the vestibular surfaces of the

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Sooriaprakas, Chandrasekaran, Suma Ballal, and Natanasabapathy Velmurugan. "Mandibular First Molar with a Single Root and Single Canal." Case Reports in Dentistry 2014 (2014): 1–4. http://dx.doi.org/10.1155/2014/159846.

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Successful endodontic management of mandibular first molar with a single root and single canal is diagnosed with the aid of dental operating microscope and multiple angled radiographs. In addition all the mandibular molars and premolars were single rooted on either side.

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Kuzekanani, Maryam, Laurence J. Walsh, Jahangir Haghani, and Ali Zeynali Kermani. "Radix Entomolaris in the Mandibular Molar Teeth of an Iranian Population." International Journal of Dentistry 2017 (2017): 1–4. http://dx.doi.org/10.1155/2017/9364963.

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Purpose. Supernumerary roots in permanent mandibular molar teeth make endodontic treatment more complicated. The aim of this study was to determine the prevalence of Radix Entomolaris (RE) in permanent mandibular first and second molars in the population of Kerman, in the southeast of Iran. Materials and Methods. From a collection of 500 mandibular first and second molar teeth extracted over 2015-2016 at dental clinics in Kerman, teeth were scored for an additional distolingual root, and the average root length and root morphology of this extra root were determined using the De Moor classifica

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Baik, Un-Bong, Jin Hye Kang, Ui-Lyong Lee, Nikhilesh R. Vaid, Yoon-Ji Kim, and Dong-Yul Lee. "Factors associated with spontaneous mesialization of impacted mandibular third molars after second molar protraction." Angle Orthodontist 90, no. 2 (2019): 181–86. http://dx.doi.org/10.2319/050919-322.1.

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ABSTRACT Objectives: To investigate factors associated with spontaneous mesialization of impacted third molars after second molar protraction to close the space caused by a missing mandibular first molar (L-6) or retained deciduous mandibular second molars with a missing succedaneous premolar (L-E). Materials and Methods: Panoramic radiographs of patients treated with mandibular second molar protraction to close the space due to missing L-6 or L-E (14 males, 36 females, mean age = 18.6 ± 4.4 years) were analyzed before treatment (T1) and after second molar protraction (T2). Factors associated

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Singh, Tanu, Saurav Bathla, Saurav Kumar Dutta, et al. "Morphological Variation of Mandibular Molars in Rohilkhand Population: An Original Research." Journal of Pharmacy and Bioallied Sciences 16, Suppl 1 (2024): S632—S636. http://dx.doi.org/10.4103/jpbs.jpbs_907_23.

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ABSTRACT Introduction: In-depth knowledge of common and aberrant pulp morphology is essential for appropriate diagnosis and treatment planning before commencing root canal treatment. The radicular morphology of mandibular molars has been extensively studied. Considerable variation in the number of canals and roots found in these teeth has been reported. Aim: The purpose of this study is to investigate the root canal morphology of the mandibular molars among the Rohilkhand population using Dentascan. Materials and Methods: Dentascan images of mandibular molar were taken from 99 extracted teeth

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Gaurav, Gupta1, K. Gupta2 D., Gupta3 Priyanka, Singh Rana4 Kuldeep, and Sankhla5 Devanshi. "An Unusual Case of Impacted Lower First Molar – A Case Report." Heal Talk - A Journal of Clinical Dentitsry 16, no. 1 (2023): 52–54. https://doi.org/10.5281/zenodo.10071057.

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Impaction of permanent teeth is not uncommon, but impaction of permanent teeth are like mandibular first molars are rare. In deeply impacted mandibular first molars case, it requires delicate technique as well as careful management to minimize risks of injury to the adjacent teeth, neurovascular bundle and the mandibular fracture. Here, we report an unusual case of impacted mandibular first molar in a male patient of 30-year-old which was located near inferior border of mandible, almost horizontal. Hence transalveolar extraction of tooth and endodontic treatment of adjacent teeth was done with

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Selvakumar, Haridoss, Swaminathan Kavitha, Rajendran Vijayakumar, Thomas Eapen, and Rajendran Bharathan. "Study of Pulp Chamber Morphology of Primary Mandibular Molars using Spiral Computed Tomography." Journal of Contemporary Dental Practice 15, no. 6 (2014): 726–29. http://dx.doi.org/10.5005/jp-journals-10024-1606.

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ABSTRACT Aim The purpose of this study was to evaluate the pulp chamber morphology in primary mandibular molars using spiral computed tomography (SCT). Materials and methods Sixty extracted primary mandibular molars were scanned using SCT for the (i) distance between the central fissure to furcation, (ii) distance between the central fissure to the floor of the pulp chamber, (iii) height of the pulp chamber (roof-floor), (iv) distance between the floor of the pulp chamber to the furcation. The mean and standard deviation was analyzed using statistical package for the social sciences (SPSS) pro

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Jain, Suruchi, and Ashima Valiathan. "Influence of First Premolar Extraction on Mandibular Third Molar Angulation." Angle Orthodontist 79, no. 6 (2009): 1143–48. http://dx.doi.org/10.2319/100708-525r.1.

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Abstract Objective: To compare the angular changes in the developing mandibular third molars in both first premolar extraction and nonextraction cases and to determine whether premolar extraction results in a more mesial movement of the mandibular buccal segment and causes favorable rotational changes in the mandibular third molar tilt, which can enhance later eruption of the third molars. Materials and Methods: Pretreatment (T1) and posttreatment (T2) panoramic radiographs were taken of 25 subjects who had been treated by the extraction of all the first premolars and 25 subjects who had been

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Jawad, Dr Kadhim Jawad, Dr Raed Aziz Aziz, and Dr Mohammed K. Gholam. "Root trunk height of maxillary and mandibular permanent first molars in Iraqis (a pilot study)." Mustansiria Dental Journal 5, no. 1 (2018): 26–30. http://dx.doi.org/10.32828/mdj.v5i1.497.

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Although the Root Trunk Height (RTH) as a variable in different racial groups was extensively studied, but its relation to the presence and absence of other anatomical abnormalities as Cervical Enamel Projection (CEP) never been tested. On the other hand, data focused on this variable in our community are not available. So the aim of this pilot study is to provide a base line data on this important anatomical variable (RTH) in our community and to calculate its possible correlation to the presence of (CEP). In this study (242) extracted permanent molars (126 maxillary first molar and 116 mandi

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Badea, Dr Raed Aziz. "Occurrence of intermediate bifurcational ridges and attached cementicles on furcation area of Iraqi mandibular molars." Mustansiria Dental Journal 8, no. 1 (2018): 73–78. http://dx.doi.org/10.32828/mdj.v8i1.289.

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Successful treatment of molar furcation defects remains a challenge in clinicalpractice. Knowledge of anatomic factors facilitates predictable management offurcation involvement lesions. Intermediate bifurcational ridge (IBRs) andcementicles are of those anatomical variations which considered as problems inprogression treatment of the disease.The present study was carried out to investigate the prevalence of IBRs andcementicles in Iraqi mandibular molars. The sample used in the study included 498extracted mandibular molars. The results revealed that the prevalence IBRs was306/498 teeth (61.44%

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Alharthi, Dalia, Reema K. Abumelha, Deema M. AlOjayen, Nouf S. Alanezi, Reema M. Aldakheel, and Abdulaziz S. Abumelha. "Evaluation of Prevalence and Cause of Endodontic Treatment of Permanent Molars in 10-Year-Old Children of Riyadh, Saudi Arabia." Journal of Pharmacy and Bioallied Sciences 16, Suppl 1 (2024): S856—S858. http://dx.doi.org/10.4103/jpbs.jpbs_1059_23.

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ABSTRACT The study aimed to assess the prevalence and cause of endodontic treatment in the first permanent molars of children aged ten in Saudi Arabia. Out of 824 children, 104 had dental caries, with a prevalence rate of 12.62%. The research revealed that the most involved teeth were mandibular left first molar, followed by mandibular right first molar, maxillary left first molar, and maxillary right first molar. Majority of patients had grossly decayed teeth, followed by caries, restorations, and endodontic treatment. The study emphasizes the importance of early dental consultations to reduc

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Yoon, Garam, Nanyoung Lee, Sangho Lee, and Myeongkwan Jih. "Eruption Guidance of Horizontally Impacted Permanent First Molar with Primary Retention of Primary Second Molars: Case Reports." JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY 47, no. 2 (2020): 219–27. http://dx.doi.org/10.5933/jkapd.2020.47.2.219.

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Tooth eruption involves a complex developmental process of tooth migration from the dental follicular origin to the final occlusion position in the oral cavity via the alveolar process. Disturbance of tooth eruption can occur at any point in a series of eruption stages; however, horizontal impaction of the mandibular first molar and primary retention of the primary mandibular second molar are rarely observed simultaneously. This study describes the treatment for two cases of horizontally impacted first molar with primary retention of primary molar. The primary retention of the primary mandibul

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Khan, Atiquzzaman, Rubaba Ahmed, Shirin Sultana Chowdhury, and SM Abdul Qauder. "Incidence of four canals in root-canal-treated mandibular first molars in Bangladeshi population." Update Dental College Journal 4, no. 2 (2015): 4–8. http://dx.doi.org/10.3329/updcj.v4i2.24040.

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The aim of this in-vivo study was to assess the incidence of four root canals in clinical cases of root-treated mandibular first molars in Bangladeshi population. A clinical study of 135 root canal treated permanent mandibular first molars was conducted. The teeth were examined clinically and radiographically. The results showed that 52.59% of the examined teeth had three root canals (two mesial and one distal), 45.92% had four root canals (two mesial and two distal) and 0.0148% had five root canals (three mesial and two distal). All the teeth had two roots and no three rooted mandibular first

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Trigolos, N. N., N. N. Yaroshenko, N. V. Piterskaya, I. V. Starikova, and E. M. Chaplieva. "PREVALENCE OF SUPERNUMERARY ROOTS OF PERMANENT MANDIBULAR TEETH ACCODING TO CONE-BEAM COMPUTED TOMOGRAPHY STUDY." Journal of Volgograd State Medical University 74, no. 2 (2020): 168–70. http://dx.doi.org/10.19163/1994-9480-2020-2(74)-168-170.

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1800 pre-made cone beam computed tomograms (CBCT) were examined, of which 202 CBCT were selected. It was revealed that a prevalence of three-rooted mandibular first molar was 2,5 %, second molars – 4,5 %. First molar supernumerary root was always distolingual root (radix entomolaris). Second molar supernumerary root was distolingual root in 2,5 % (radix entomolaris), in 2 % mesialbuccal root (radix paramolaris)., The prevalence of double-root in the mandibular first premolar was 2 %, in the second premolar was 1 %, in the mandibular canines was 5 %, the bifurcation was located in the apical an

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Djeri, Aleksandra, Natasa Brestovac, Sanja Subotic, Irena Radman-Kuzmanovic, Adriana Arbutina, and Sasa Marin. "Cbct analysis of apical distance between second lower premolars, first and second lower molars and mandibular canal." Serbian Dental Journal 68, no. 3 (2021): 122–30. http://dx.doi.org/10.2298/sgs2103122d.

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Introduction. Mandibular canal with the associated neurovascular bundle may be closely related to the apices of mandibular teeth. In order to avoid injuries and damages to the inferior alveolar nerve during invasive dental procedures, it is important to know its localization. The aim of this study was to determine the average vertical distances of the root apices of second premolars, first molars and second molars mesially and distally from the upper projection of the mandibular canal on the sagittal section of CBCT images, and determine if there were statistically significant differences betw

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Hong, Huiyi, Jing Zhou, Qi Fan, et al. "Characteristics of Spatial Changes in Molars and Alveolar Bone Resorption among Patients with Loss of Mandibular First Molars: A CBCT-Based Morphometric Study." Journal of Clinical Medicine 12, no. 5 (2023): 1932. http://dx.doi.org/10.3390/jcm12051932.

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Objectives: To investigate the characteristics of spatial changes in molars and alveolar bone resorption among patients with loss of mandibular first molars. Methods: A total of 42 CBCT scans of patients with missing mandibular first molars (3 males, 33 females) and 42 CBCT scans of control subjects without loss of mandibular first molars (9 males, 27 females) were evaluated in this cross-sectional study. All images were standardized using the mandibular posterior tooth plane with Invivo software. The following indices regarding alveolar bone morphology were measured, including alveolar bone h

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Das, Snigdho, Parthasarathi Mondal, Tapas Paul, Shukdeb Mandal, and Kallol Kumar Saha. "Hemisectomy: A ray of hope for a periodontally and cariously involved mandibular first molar." IP Annals of Prosthodontics and Restorative Dentistry 9, no. 4 (2023): 253–56. http://dx.doi.org/10.18231/j.aprd.2023.047.

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Hemisectomy refers to the removal of a root with the associated crown portion of two-rooted teeth, commonly the mandibular molars, due to its high predilection for extraction due to dental caries and periodontal disease. Hemisectomy of a mandibular molar may be an appropriate treatment option when caries or resorption is limited to one root, while the other is healthy; thus, preserving the tooth structure, and alveolar bone and promoting affordability over other treatment possibilities. This article entails a procedure for Hemisectomy in a mandibular first molar and its ensuing restoration wit

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Mohammad Abdurrahman Khan, Manisha Verma, Anoop Kumar Verma, Syed Belal Hassan, Syed Fiza Mustaqueem, and Iram Khan. "Sex Estimation using Mandibular First Molar and Maxillary First Molar: A Comparative Study." Indian Journal of Forensic Medicine & Toxicology 18, no. 3 (2024): 59–65. http://dx.doi.org/10.37506/191vcx09.

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Introduction: Estimation of sex from skeletal remains is an important initial medicolegal aspect of forensic and anthropological examination. Among various methods of sex estimation only DNA analysis gives absolute proof of sex estimation, but such methods are meticulous, immoderate and relatively prolonged and involves difficult DNA extraction technique. Teeth are strongest and toughest structure in the human body which are resistance to fire, decomposition and many other changes and teeth development completed before bone maturation making teeth relevant sex indicator hence teeth can be used

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Alshaya, Saleh Ibrahim, Abdulrahman Faleh Alanazi, Saleh Sulaiman Aldawish, et al. "Infraocclusion: Prevalence, Characteristics, and Associated Dental Anomalies in Arabian Children." BioMed Research International 2022 (July 23, 2022): 1–7. http://dx.doi.org/10.1155/2022/6624804.

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Aim. To analyze the distribution and characteristics of infraocclusion among Arabian children in primary dentition and its associated dental anomalies. Methods. A radiographic analysis was performed retrospectively using digital panoramic radiographs of children attending the pediatric dental clinic of College of Dentistry, Majmaah University, Saudi Arabia, from January 2019 to May 2021. The panoramic radiographs were analyzed to assess the distribution and characteristics of infraocclusion and its associated dental anomalies. Descriptive statistics were used for comparisons using SPSS version

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Baik, Un-Bong, Yoon-Ah Kook, Mohamed Bayome, Je-Uk Park, and Jae Hyun Park. "Vertical eruption patterns of impacted mandibular third molars after the mesialization of second molars using miniscrews." Angle Orthodontist 86, no. 4 (2014): 565–70. http://dx.doi.org/10.2319/061415-399.1.

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ABSTRACT Objective: To investigate (1) whether vertical eruption of impacted third molars improves after mesialization of second molars and (2) what factors affect the vertical eruption of impacted third molars when space caused by missing molars is successfully closed by mesialization of the second molar using miniscrews. Materials and Methods: The treatment group (Group 1) included 52 patients who had (1) missing mandibular first molars (ML-6) or missing deciduous mandibular second molars (ML-E), (2) initially impacted mandibular third molars, and (3) successful space closure of the edentulo

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Takehana, Yoshie, Yasunori Miyauchi, and Toru Kageyama. "Treatment of mandibular second molar impaction in a patient with metal hypersensitivity." Australasian Orthodontic Journal 37, no. 2 (2021): 313–20. http://dx.doi.org/10.21307/aoj-2021.034.

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Abstract It is widely accepted that the prevalence of metal hypersensitivity is increasing. Furthermore, the incidence of unerupted mandibular second molars is 2.3%, of which 0.2% is judged to be a result of impaction. While it is becoming more common to treat impacted mandibular second molars in daily clinical practice, metal hypersensitive patients presenting with unerupted molars are less frequently encountered. There have been no previous reports of patients who required mandibular molar traction and who also suffered from metal hypersensitivity. Therefore, this is the first case report to

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Baik, Un-Bong, Jae-Yul Jung, Hyung-Ju Jung, et al. "Alveolar bone changes after molar protraction in young adults with missing mandibular second premolars or first molars." Angle Orthodontist 92, no. 1 (2021): 64–72. http://dx.doi.org/10.2319/022321-147.1.

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ABSTRACT Objectives To assess the changes in alveolar bone of the mandibular second molars following molar protraction and investigate the factors associated with the alveolar bone changes. Materials and Methods Cone-beam computed tomography of 29 patients (mean age 22.0 ± 4.2 years) who had missing mandibular premolars or first molars and underwent molar protraction were reviewed. Alveolar bone level was measured as the distance from the cementoenamel junction at six points, buccal, lingual, mesiobuccal (MB), mesiolingual (ML), distobuccal (DB), and distolingual (DL), of the second molars at

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-, FAISAL, SANA SHAH, NARESH KUMAR, Syed Abrar Ali, and Nadia Inayat. "ROOT CANAL TREATMENT;." Professional Medical Journal 19, no. 05 (2012): 739–41. http://dx.doi.org/10.29309/tpmj/2012.19.05.2394.

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Objective: To determine the frequency of root canal treatment in endodontic department of dental colleges of Karachi. StudyDesign: Cross-sectional study. Place and duration of study: Department of endodontics, Sir Syed Dental College & Hospital, Karachi from1st May 2011 to 31st August 2011. Material and Methods: Of the 400 teeth from 370 individuals (age range 12-50 years) were endodonticallytreated during four months by faculty members and postgraduate residents enrolled in a specialisation programme in department ofEndodontics. All patients were examined clinically and radiographically.

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Devi, W. Priya, Babina Chirom, and Tharaina Mushahary. "Stress control and bicuspidization." International Journal Of Community Medicine And Public Health 10, no. 11 (2023): 4444–46. http://dx.doi.org/10.18203/2394-6040.ijcmph20233492.

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Mandibular molars being the first teeth to erupt in the oral cavity have high caries susceptibility index, deprivation in its maintenance may lead to serious problem like furcation involvement. Recent advances in dentistry and the desire of patients to maintain their dentition, have lead to treatment of teeth that once would have been removed. Bicuspidization is a procedure in which separation of distal and mesial roots of mandibular molar with their coronal portion are done. This separation helps to eliminate the existing furcation and ensure effective oral hygiene maintenance. The mandibular

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khan, Sajid, Shweta Sharma, Arunendra Singh Chauhan, Aiyana Parthi, Saima Ali, and Mohd Amjad Tahseen. "Incidence and treatment for hypomineralization of incisor and molar among school going Indian children." Bioinformation 20, no. 5 (2024): 575–78. http://dx.doi.org/10.6026/973206300200575.

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The presence of molar incisor hypomineralization (MIH) raises the likelihood of enamel degradation, which in turn raises the risk of plaque buildup and dental caries. Individuals impacted by this illness frequently incur large long-term costs. Therefore, it is of interest to evaluate prevalence and treatment need of MIH in school going children. Hence, 3030 school going students were included in this study. Considering the WHO 1997 guidelines for caries severity and the requirement of therapy for the damaged teeth and criteria for MIH, a full mouth visual assessment of moist teeth was conducte

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Canuto, Luiz Filiphe Gonçalves, Karina Maria Salvatores de Freitas, Marcos Roberto de Freitas, and Rodrigo Hermont Cançado. "Influence of treatment including second molars on final and postretention molar angulation." Dental Press Journal of Orthodontics 18, no. 5 (2013): 121–27. http://dx.doi.org/10.1590/s2176-94512013000500020.

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OBJECTIVE: Evaluate axial mesiodistal inclinations of the mandibular molars in orthodontically treated cases, analyzing whether inclusion of second mandibular molars in treatment mechanics has any influence on final and postretention molars angulations. METHODS: The sample comprised 150 panoramic radiographs of 50 patients. Patients were treated with extraction of four first premolars and divided into 2 groups: Group 1 comprised 25 subjects without inclusion of mandibular second molars during orthodontic treatment, whereas Group 2 comprised 25 subjects with inclusion of mandibular second molar

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Lee, Kyung Jin, Hyeran Helen Jeon, Normand Boucher, and Chun-Hsi Chung. "Transverse Analysis of Maxilla and Mandible in Adults with Normal Occlusion: A Cone Beam Computed Tomography Study." Journal of Imaging 8, no. 4 (2022): 100. http://dx.doi.org/10.3390/jimaging8040100.

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Objectives: To study the transverse widths of maxilla and mandible and their relationship with the inclination of first molars. Materials and Methods: Fifty-six untreated adults (12 males, 44 females) with normal occlusion were included. On each Cone Beam Computed Tomography (CBCT) image of the subject, inter-buccal and inter-lingual bone widths were measured at the levels of hard palate, alveolar crest and furcation of the first molars, and maxillomandibular width differentials were calculated. In addition, the buccolingual inclination of each first molar was measured and its correlation with

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Estrela, Carlos, Keila SA Oliveira, Ana Helena G. Alencar, Fernando B. Barletta, Cyntia RA Estrela, and Wilson T. Felippe. "Oxygen Saturation in the Dental Pulp of Maxillary and Mandibular Molars - Part 2." Brazilian Dental Journal 28, no. 6 (2017): 704–9. http://dx.doi.org/10.1590/0103-6440201701447.

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Abstract This study determined the oxygen saturation (SaO2) in dental pulp of healthy maxillary and mandibular molars. Mean of SaO2 was evaluated in 112 maxillary and mandibular molars using pulse oximetry. Quantitative variables were described by mean and standard deviation. Variables with symmetric distribution were compared by Student t test and Mann-Whitney test. Pearson’s correlation coefficient was used to correlate quantitative variables. Analysis of variance was used to assess differences in SaO2 levels between the molar groups, followed by post-hoc Tukey. The significance level establ

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Celebi, Ahmet Arif, Sam H. Lee, and Chung How Kau. "Size discrepancies in molars and first key to optimal occlusion." European Journal of Dentistry 11, no. 02 (2017): 250–52. http://dx.doi.org/10.4103/ejd.ejd_339_16.

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ABSTRACT Objective: The aim of this research project was to determine whether the sizes of the first molars allow clinicians to achieve the first goal of an ideal clinical outcome. Material and Methods: Seventy-eight sets of dental casts that have been presented to the American Board of Orthodontics were evaluated. A Boley gauge was used to measure the length from the mesiobuccal cusp to the distobuccal cusp of the maxillary first molar and the length from the mesiobuccal groove of the mandibular first molar to the occlusal embrasure between the mandibular first and second molars. These two me

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Ferreira, Marcos Cezar, Karina Maria Salvatore de Freitas, Francyle Simões Herrera-Sanches, et al. "Evaluation of Mandibular First Molars’ Axial Inclination and Alveolar Morphology in Different Facial Patterns: A CBCT Study." European Journal of Dentistry 14, no. 02 (2020): 250–59. http://dx.doi.org/10.1055/s-0040-1709932.

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Abstract Objective The purpose of this study was to evaluate and compare the axial inclination of the mandibular first molars and their respective bone morphology among individuals with different facial patterns. Materials and Methods The sample comprised the cone beam computed tomographies (CBCTs) of 58 subjects divided into three groups according to the facial patterns: 18 brachyfacial (Group 1), with a mean age of 21.58 years; 23 mesofacial (Group 2), with a mean age of 19.14 years; and 17 dolichofacial subjects (Group 3), with a mean age of 19.09 years. Eight variables were evaluated on CB

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Femi-Akinlosotu, Omowumi M., Olakayode O. Ogundoyin, and Morenike A. Akintola. "The role of fluoride on eruption of mandibular molar of albino rats." Anatomy Journal of Africa 9, no. 1 (2020): 1752–61. http://dx.doi.org/10.4314/aja.v9i1.15.

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Eruption of the tooth is a complex and highly regulated process which can be influenced by genetic, environmental and systemic factors. Fluoride is found naturally in water as well as in foods and dental products. The first mandibular molar is the first molar to erupt and it is essential for mastication of food. We studied the effect of fluoride on the eruption of the first mandibular molar in albino rats. Fluoride at different concentrations was added to the water of pregnant albino rats while sterile water without fluoride was given to the control pregnant dams. The pregnant dams were allowe

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Dr, Attique Ur Rehman Dr Muaz Hafeez Dr Fatima Akram. "TO DETERMINE THE RADIX MOLAR PREVALENCE IN MANDIBULAR PERMANENT MOLARS." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES o6, no. 09 (2019): 12083–87. https://doi.org/10.5281/zenodo.3459190.

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<strong>Abstract:</strong> <em>The root morphology importance is highlighted by analysis showing that canal morphological changes may affect endodontic results. In general, 2 roots are in the mandibular molars; though, the third root presence is an important anatomical variable amongst many people groups.</em> <strong><em>Objectives:</em></strong><em> To report and determine the radix paramolaris or entomolaris prevalence in first, second and third permanent human mandibular molars.</em> <strong><em>Study Design:</em></strong><em> An Observational Study.</em> <strong><em>Place and duration:</e

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Deepalakshmi, Mohanavelu, Chellasamy Savarimala Karumaran, Revathi Miglani, and Rajamani Indira. "Independent and Confluent Middle Mesial Root Canals in Mandibular First Molars: A Report of Four Cases." Case Reports in Dentistry 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/103125.

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Mandibular molars demonstrate considerable variations with respect to number of roots and root canals. The possibility of additional root canals should be considered even in teeth with a low frequency of abnormal root canal anatomy. This paper discusses the endodontic management of the rare anatomical complexity middle mesial canals in mandibular first molar and also serves to remind the clinicians that such anatomical variations should be taken into account during the endodontic treatment of the mandibular molars.

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Alhujhuj, Rakan Rafdan, Rizwan Jouhar, Muhammad Adeel Ahmed, Abdullatif Abdulrahman Almujhim, Mohammed Tariq Albutayh, and Necdet Adanir. "Evaluation of Root Canal Configuration of Maxillary and Mandibular First Molar by CBCT: A Retrospective Cross-Sectional Study." Diagnostics 12, no. 9 (2022): 2121. http://dx.doi.org/10.3390/diagnostics12092121.

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Adequate knowledge of root canal morphology along with its probable variations is imperative to acquire successful endodontic treatment. This retrospective cross-sectional study aimed to investigate the root canal configuration of maxillary and mandibular first molar using Cone-Beam Computed Tomography (CBCT) among patients in Al-Ahsa region, Saudi Arabia. A total of 377 samples were included, out of which 123 CBCT (I-CAT Vision QTM) scans with intact all first permanent molars were selected in this study and scanned in sagittal, axial, and coronal views by using BlueSkyPlan software. The numb

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