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Journal articles on the topic 'Adult mandibular first molars'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

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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2

Hart, Tyler R., Richard R. J. Cousley, Leonard S. Fishman, and Ross H. Tallents. "Dentoskeletal changes following mini-implant molar intrusion in anterior open bite patients." Angle Orthodontist 85, no. 6 (2015): 941–48. http://dx.doi.org/10.2319/090514-625.1.

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ABSTRACT Objective: To evaluate skeletal and dental changes after intrusion of the maxillary molars in subjects with anterior open bite. Materials and Methods: This retrospective cephalometric study evaluated skeletal and dental changes resulting from the use of maxillary orthodontic mini-implants in 31 consecutively treated patients. Radiographs were taken at the start and end of maxillary molar intrusion to evaluate the associated changes. Statistical analysis was performed using a one-sample t-test. Results: The mean treatment observation time was 1.31 years (SD = 2.03). The maxillary first

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Ulbricht, Robert D., Sandra Manfra Marretta, Gordon J. Baker, Arthur M. Siegel, and Linda S. Klippert. "Comparison of Two Heated Gutta-Percha Obturation Techniques of the Mandibular First Molar in the Dog." Journal of Veterinary Dentistry 19, no. 2 (2002): 63–70. http://dx.doi.org/10.1177/089875640201900201.

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An in vitro study compared two heated gutta-percha obturation techniques of the mandibular first molar in the dog. Thirty hemimandibles were harvested from adult dog cadavers. The mandibular first molars were instrumented and obturated using either the ThermaFil Plus technique or the SuccessFil vertical compaction technique. Obturation times were recorded and three radiographic views were taken of all teeth for evaluation of the endodontic fill. Fifty-two of the mandibular first molar roots were evaluated in the apical dye leakage portion of the study. The ThermaFil Plus obturation technique r

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4

Yang, Brianna, and Chun-Hsi Chung. "Buccolingual inclination of molars in untreated children and adults: A cone beam computed tomography study." Angle Orthodontist 89, no. 1 (2018): 87–92. http://dx.doi.org/10.2319/010418-6.1.

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ABSTRACT Objectives: To evaluate and compare the buccolingual inclinations of maxillary and mandibular first molars in untreated children and adults. Materials and Methods: One hundred and thirty-eight subjects were selected and divided into three groups, as follows: (1) age 6–9 years, N = 46; (2) age 10–19 years, N = 56; and (3) age 25–35 years, N = 36. For each subject, existing cone beam computed tomography images were used, and the long axis for each maxillary and mandibular first molar was determined. The converge angles formed by the long axis of left and right maxillary first molars and

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Kadovic, Jana, Nada Novakovic, Mila Jovanovic, et al. "Anatomical characteristics of the furcation area and root surfaces of multi-rooted teeth: Epidemiological study." Vojnosanitetski pregled 76, no. 8 (2019): 761–71. http://dx.doi.org/10.2298/vsp170308149k.

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Background/Aim. Knowledge of numerous variations in anatomical features of furcation area is a prerequisite for the achievement of more predictable results in the therapy of multi-rooted teeth with furcation involvement (FI). The aim of the study was to evaluate the morphological characteristics of extracted molars of adult population in Belgrade, Serbia. Methods. In total, 468 extracted first and second molars, both mandibular and maxillary, were measured. The values of root trunk lengths and root lengths, diameter of furcation entrances (FE), distance between the roots and depth of root conc

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Subedi, Nuwadatta, Mukesh Mallik, Roshan Kumar Chaudhary, and Gita Gurung. "Age Estimation from Attrition of Permanent Molars." Journal of Nepal Health Research Council 19, no. 1 (2021): 101–6. http://dx.doi.org/10.33314/jnhrc.v19i1.3397.

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Background: The average stage of attrition in permanent first and second molars is an established method of age estimation in the adult population. The study was conducted with an objective of age estimation from the average stage of attrition of permanent molars.Methods: A total of 451 individuals of age more than 20 years were examined. Nepalese individuals with intact first and second permanent molars in the maxillary and mandibular arch on either side were included. The average stage of attrition of the maxillary first and second permanent molars on either side was calculated and subjected

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Eliewy Saloom, Jinan, Arkan Muslim Al Azzawi, Mohammed Nahidh, Sajid Chaffat Auliawi Al-Mayahi, and Baraa Sahib Mahdi. "Predicting Canine and Premolar Mesiodistal Crown Diameters Using Regression Equations." International Journal of Dentistry 2021 (July 23, 2021): 1–5. http://dx.doi.org/10.1155/2021/9990417.

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Objectives. The current study aimed to predict the combined mesiodistal crown widths of maxillary and mandibular canines and premolars from the combined mesiodistal crown widths of maxillary and mandibular incisors and first molars. Materials and Methods. This retrospective study utilized 120 dental models from Iraqi Arab young adult subjects with normal dental relationships. The mesiodistal crown widths of all teeth (except the second molars) were measured at the level of contact points using digital electronic calipers. The relation between the sum mesiodistal crown widths of the maxillary a

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Türköz, Çağrı, and Çağrı Ulusoy. "Effect of premolar extraction on mandibular third molar impaction in young adults." Angle Orthodontist 83, no. 4 (2013): 572–77. http://dx.doi.org/10.2319/101712-814.1.

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ABSTRACT Objective: To test the null hypothesis that orthodontic therapy with or without premolar extraction does not result in any difference in third molar impaction. Materials and Methods: Two groups were formed: 22 patients in one group with first premolar extractions and 22 patients in the other group without extractions. All patients were nongrowing subjects who had normal gonial angles and were skeletal Class I at the beginning of treatment. The available space for third molars, inclination of second and third molars, and angle between the second and third molars were evaluated. Also, t

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Dydyk, Nataliya, and Olha Hrynyshyn. "PREVALENCE OF ROOT FILLED TEETH IN AN ADULT POPULATION (LVIV, UKRAINE) FOUND ON DIGITAL PANORAMIC RADIOGRAPHS." Wiadomości Lekarskie 73, no. 4 (2020): 691–95. http://dx.doi.org/10.36740/wlek202004112.

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The aim of this study was to determine the frequency of endodontic treatment in an adult Ukrainian population in relation to the age and its distribution depending on the type of the teeth. Materials and methods: A total of 435 digital panoramic radiographs of adults (aged 18 to 72 years) were examined. A tooth was qualified as root filled (endodontically treated), if radiopaque root-filling material was determined in the pulp chamber and/or in the root canals. Pearson’s chi-squared test (χ2) and Spearman’s rank correlation were applied for data analysis. Results: It was revealed that 82.5% of

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10

Heins, P. J., and S. M. Wieder. "A Histologic Study of the Width and Nature of Inter-radicular Spaces in Human Adult Pre-molars and Molars." Journal of Dental Research 65, no. 6 (1986): 948–51. http://dx.doi.org/10.1177/00220345860650061901.

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Serial sections of jaw segments from a human post mortem population of 29 individuals providing 116 posterior interproximal sites were examined at the light microscopic level. Minimum inter-root distances at the locale of closest proximity ranged from more than 4 mm to less than 0.1 mm. They were located in the coronal third of pre-molars and mandibular first and second molars and the middle third of maxillary first molars and second molar interproximal spaces. Cancellous bone flanked by lamina dura was found between 89.6% of the teeth examined and was observed where inter-root distances excee

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Zargar, Nazanin, Elnaz Shooshtari, Leila Pourmusavi, Alireza Akbarzadeh Baghban, Hengameh Ashraf, and Ardavan Parhizkar. "Anaesthetic Efficacy of 4% Articaine in Comparison with 2% Lidocaine as Intraligamentary Injections after an Ineffective Inferior Alveolar Nerve Block in Mandibular Molars with Irreversible Pulpitis: A Prospective Randomised Triple-Blind Clinical Trial." Pain Research and Management 2021 (May 11, 2021): 1–10. http://dx.doi.org/10.1155/2021/6668738.

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The objective of the current study was to compare the anaesthetic efficacy of supplemental intraligamentary (IL) injection of 4% articaine with that of 2% lidocaine in the mandibular first and second molars with irreversible pulpitis after an ineffective inferior alveolar nerve block injection (IANB) using the same anaesthetic in a randomised triple-blind clinical trial. Seventy-six adult patients, who were diagnosed with irreversible pulpitis in the mandibular first or second molars, were divided into 2 groups and received IANB randomly. In patients with lip numbness, anaesthesia was evaluate

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12

Sathvika K, Anjaneyulu K, and Leelavathi L. "Comparison of incidence of dental caries in the mandibular first molar in teenagers versus adults." International Journal of Research in Pharmaceutical Sciences 11, SPL3 (2020): 639–44. http://dx.doi.org/10.26452/ijrps.v11ispl3.2995.

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The mandibular first molars are one of the first permanent teeth to erupt; thus, it remains the longest in terms of exposure to cariogenic pathogens. Also, its anatomical location and structure make it a prime location for dental caries (DC) but hard to access for cleaning. Thus, we aim to compare its incidence in adults and teenagers because the identification of the most susceptible age for tooth decay is key in prevention and prophylaxis against the same. A retrospective cross-sectional study was conducted by reviewing and analysing the data of 86,000 patient records from June 2019 to April

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13

Dorotheou, Domna, Marie-Luce Bochaton-Piallat, Catherine Giannopoulou та Stavros Kiliaridis. "Expression of α-smooth muscle actin in the periodontal ligament during post-emergent tooth eruption". Journal of International Medical Research 46, № 6 (2018): 2423–35. http://dx.doi.org/10.1177/0300060518769545.

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Objective This study was performed to explore the expression of α-smooth muscle actin (α-SMA) in the periodontal ligament (PDL) of young and adult rats during post-emergent tooth eruption in opposed and unopposed teeth at two time points: 3 and 15 days after antagonist loss. Methods Four-week-old (n = 20) and 22-week-old (n = 20) male Wistar rats were used. The right maxillary molar crowns were cut down. PDL samples were isolated from the first mandibular molars at two time points: 3 and 15 days after cut-down of the right maxillary molars. Quantitative reverse-transcription polymerase chain r

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Rezaie, Mostafa, Jannan Ghapanchi, Abdolaziz Haghnegahdar, Leila Khojastehpour, Hooman Khorshidi, and Heshmatollah Heidari. "A Radiographic Evaluation of Missing of Permanent First Molars in a Group of Iranian Children and Adults: A Retrospective Study." International Journal of Dentistry 2018 (2018): 1–4. http://dx.doi.org/10.1155/2018/5253965.

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The missing of permanent first molars influences the occlusal status and dental health. The purpose of this study was to determine the prevalence of missing first molar teeth in a selected population of Shiraz, Iran. Methods. A total of 2206 panoramic views of patients aged from 7 to 75 years old were inspected for missing of permanent first molars. Patients were categorized into five age groups: from 7 to 15, 16 to 30, 31 to 45, 46 to 60, and more than 60 years old. Data were categorized according to sex, age, and number of lost teeth using SPSS software. Results. No first molar was missing i

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15

Tyan, Svetlana, Hong-Sik Park, Munkhshur Janchivdorj, Sun-Ho Han, Su-Jung Kim, and Hyo-Won Ahn. "Three-dimensional analysis of molar compensation in patients with facial asymmetry and mandibular prognathism." Angle Orthodontist 86, no. 3 (2015): 421–30. http://dx.doi.org/10.2319/030915-142.1.

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ABSTRACT Objective: To evaluate the characteristic transverse dental compensations in patients with facial asymmetry and mandibular prognathism and to compare features of dental compensations between two types of mandibular asymmetry using 3-dimensional (3D) cone-beam computed tomography (CBCT). Materials and Methods: Seventy-eight adult patients with skeletal Class I (control group; n = 33; 19 men and 14 women) or skeletal Class III with facial asymmetry (experimental group; n = 45; 23 men and 22 women) were included. The experimental group was subdivided into two groups according to the type

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16

Mermut, Sila, Ali Osman Bengi, Erol Akin, Mehmet Kürkçü, and Şeniz Karaçay. "Effects of Interferon-Gamma on Bone Remodeling during Experimental Tooth Movement." Angle Orthodontist 77, no. 1 (2007): 135–41. http://dx.doi.org/10.2319/122105-451r.1.

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Abstract Objective: To determine the effects of interferon-gamma (IFN-γ) on bone remodeling during orthodontic tooth movement. Materials and Methods: Thirty adult male Sprague Dawley rats were randomly categorized into five groups. IFN-γ was administered in three different doses (0.01, 0.02, and 0.05 μg/20 μL) and the remaining two groups served as control. Mandibular first molars were moved mesially by means of Ni-Ti closed coil springs in all groups. The results were evaluated histomorphometrically, and parameters of trabecular bone volume (BV/TV), trabecular bone number (Tr.N), and trabecul

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Gokce, Sila, A. Osman Bengi, Erol Akin, et al. "Effects of Hyperbaric Oxygen during Experimental Tooth Movement." Angle Orthodontist 78, no. 2 (2008): 304–8. http://dx.doi.org/10.2319/022507-96.1.

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Abstract Objective: To determine the effects of hyperbaric oxygen (HBO) on bone remodeling during orthodontic tooth movement. Materials and Methods: Twenty-four male, adult Sprague Dawley rats were randomly divided into two groups. HBO was administered in the first group, and the second group served as a control. The mandibular first molars were moved mesially by means of Ni-Ti closed coil springs in all groups. Results: Results were evaluated histomorphometrically and the parameters of trabecular bone volume (BV/TV), trabecular bone number (Tr.N), and trabecular separation (Tr.Sep) were evalu

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Ahmed, Maheen, Attiya Shaikh, and Mubassar Fida. "Evaluation of conformity of preformed orthodontic archwires and dental arch form." Dental Press Journal of Orthodontics 24, no. 1 (2019): 44–52. http://dx.doi.org/10.1590/2177-6709.24.1.044-052.oar.

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ABSTRACT Introduction: The alterations in the arch form during treatment are dictated by the dimensions of the archwires. Objective: This study aimed to determine the mean arch dimensions of a sample of Pakistani subjects and to evaluate the conformity of preformed archwires with mandibular arch form. Methods: The dental records of 1,500 adult subjects were evaluated. The mandibular casts of 42 subjects (males = females = 21) with balanced facial profile, Class I occlusion, ideal overjet and overbite were included. Brackets were bonded on all teeth. Arch dimensions were evaluated at canines, f

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Golshah, Amin, Navid Rezaei, and Sara Heshmati. "Buccolingual Inclination of Canine and First and Second Molar Teeth and the Curve of Wilson in Different Sagittal Skeletal Patterns of Adults Using Cone-Beam Computed Tomography." International Journal of Dentistry 2020 (November 4, 2020): 1–8. http://dx.doi.org/10.1155/2020/8893778.

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Objectives. This study aimed to assess the buccolingual inclination of canine and first and second molar teeth and the curve of Wilson in different sagittal skeletal patterns in untreated adults using cone-beam computed tomography (CBCT). Materials and Methods. Sixty-six CBCT scans of adults (mean age: 28.74 ± 5.25 years) were evaluated in this cross-sectional study. The images were standardized using the Frankfurt horizontal plane and the interorbital line. The sagittal skeletal pattern was determined using the ANB angle and Wits appraisal. Inclination angles were measured by NNT Viewer and M

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Bechtold, Till E., Jin-Wook Kim, Tae-Hyun Choi, Young-Chel Park, and Kee-Joon Lee. "Distalization pattern of the maxillary arch depending on the number of orthodontic miniscrews." Angle Orthodontist 83, no. 2 (2012): 266–73. http://dx.doi.org/10.2319/032212-123.1.

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ABSTRACT Objective: To determine the effects of linear force vector(s) from interradicular miniscrews on the distalization pattern of the maxillary arch in adult Class II patients. Materials and Methods: Twenty-five adult patients with mild to moderate Class II dentition and minimal crowding were collected. Either single (group A, n = 12) or dual (group B, n = 13) miniscrews were inserted on the posterior interradicular area to deliver a distalizing force to the main archwire. The displacement patterns of maxillary incisors and molars were measured and compared. Results: Significant distalizat

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Janhvi Manohar, Hemavathy O R, and Saravana Dinesh S P. "Single versus multiple antibiotics during extraction of mandibular first and second molar." International Journal of Research in Pharmaceutical Sciences 11, SPL3 (2020): 1943–48. http://dx.doi.org/10.26452/ijrps.v11ispl3.3679.

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Extractions of molars are one of the frequently performed procedures in a dental clinic and it is associated with innumerable trans operative and post-operative complications, such as edema, trismus, localized alveolar osteitis, pain and surgical site infection. Some authors advocate the use of local and systemic antibiotics to reduce the incidence of these postoperative complications. Despite the risks of allergic reactions among some individuals, toxicity and the development of antibiotic resistant microorganisms, about 50% of dentists routinely prescribe the use of prophylactic antibiotics

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Silva, Natália S., José A. S. Silveira, Danillo Henrique S. Lima, et al. "Epidemiological, clinical and pathological aspects of an outbreak of periodontitis in sheep." Pesquisa Veterinária Brasileira 36, no. 11 (2016): 1075–80. http://dx.doi.org/10.1590/s0100-736x2016001100003.

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ABSTRACT: The objective of this study was to describe the epidemiological, clinical and pathological aspects of an outbreak of periodontitis in sheep that occurred on a rural property in Benevides, in the state of Pará, Brazil. The first clinical signs of this disease in the herd - visible nodular swollen mandible - were observed about one month after the sheep began grazing on a recently renovated Panicum maximum cv. Massai pasture; the animals were also supplemented with elephant grass (Pennisetum purpureum). From the 545 adult Santa Ines, Dorper, Texel and crossbred sheep, 20 (3.7%) showed

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Harris, Edward F., and Yoav Shiloah. "A Longitudinal Study of Continued Tooth Eruption During Adulthood." Dental Anthropology Journal 20, no. 1 (2018): 7–15. http://dx.doi.org/10.26575/daj.v20i1.106.

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Teeth retain their capacity to continue toerupt throughout life. What is less-well appreciated isthat occlusal migration—with corresponding alveolarproliferation—continues as a normal process duringadulthood. Historically, this continuous eruption hasbeen viewed as accommodative for the loss of crownheight due to serious occlusal abrasion. Nowadays,with only trivial wear, the result of continuous eruptionis to increase lower face height during adulthood. Thisstudy reports on changes in the mandibular first andsecond molars in 73 Americans whites (63 females)examined at 17 and again at about 31

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Jeon, Hye-Mi, Jae-Woo Jeon, So-Yeun Kim, et al. "An Assessment of Radiological Age Estimation Method Using Mandibular First Molars in Korean Adults." Korean Journal of Legal Medicine 41, no. 1 (2017): 7. http://dx.doi.org/10.7580/kjlm.2017.41.1.7.

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Bajaj, Kamal, Pooja Rathee, and Deepak Goyal. "CBCT Evaluation of Condylar Changes in Class II Hyperdivergent Adult Patients Following Posterior Maxillary Intrusion Using Miniscrews/Miniplates—A Prospective Study." Journal of Indian Orthodontic Society 54, no. 2 (2020): 121–26. http://dx.doi.org/10.1177/0301574219891627.

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Aim & Objectives: To evaluate using CBCT, the condylar changes taking place in retrognathic, hyperdivergent Class II adult patients following maxillary intrusion using miniscrew assembly. Materials and methods: In this prospective study design, 20 class II div I high angle cases in the age group of 20-25 years with Class II molar and canine relationship; Overjet > 5mm; ANB angle > 4°; FMA angle >25°; SNGoGn > 35°; Jaraback ratio< 60° and Lower Gonial angle>75° were taken. Each patient had a miniscrew assembly in the maxilla through which intrusive force was applied to the

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Ishii, Kazuhiro, Ib Leth Nielsen, and Karin Vargervik. "Characteristics of Jaw Growth in Cleidocranial Dysplasia." Cleft Palate-Craniofacial Journal 35, no. 2 (1998): 161–66. http://dx.doi.org/10.1597/1545-1569_1998_035_0161_cojgic_2.3.co_2.

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Objective The purpose of this pilot study was to assess craniofacial morphology in young and adult individuals with cleidocranial dysplasia (CCD). Design Craniofacial morphology in young individuals (primary dentition) and in young adults was compared with control data using ratios and angles obtained from lateral head films. Setting The CCD individuals were referred to the Center for Craniofacial Anomalies for diagnostic workup and treatment recommendations. Subjects The sample consisted of 14 Caucasians. The inclusion criterion for the young, prepubertal group (A) was complete primary dentit

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Hartati, Sri, Heryumani JCP, and Kuswahyuning Kuswahyuning. "Perubahan Posisi Mandibula pada Perawatan Kamuflase Maloklusi Kelas III Skeletal." Majalah Kedokteran Gigi Indonesia 20, no. 2 (2013): 140. http://dx.doi.org/10.22146/majkedgiind.7675.

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Maloklusi kelas III skeletal pada umumnya memiliki hubungan rahang yang prognatik, yaitu mandibula terletak lebih maju dari maksila. Perawatan kamuflase non pembedahan pada pasien dewasa dengan maloklusi kelas III memerlukan pencabutan dua gigi premolar mandibula atau empat gigi premolar untuk memberikan ruang retraksi gigi incisivus mandibula. Prinsip perawatan teknik Begg adalah mekanisme gaya differensial dengan menggunakan gaya yang ringan dan kontinyu. Penggunaan elastik intermaksiler kelas III menyebabkan ekstrusi gigi molar atas, retrusi gigi insisivus bawah, rotasi mandibula searah jar

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Mathew, DeepuGeorge, S. Rajesh, Elizabeth Koshi, LakshmiE Priya, AmalS Nair, and Aparna Mohan. "Adult forensic age estimation using mandibular first molar radiographs: A novel technique." Journal of Forensic Dental Sciences 5, no. 1 (2013): 56. http://dx.doi.org/10.4103/0975-1475.114552.

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Hikita, Yu, Tetsutaro Yamaguchi, Daisuke Tomita, et al. "Relationship between tooth length and three-dimensional mandibular morphology." Angle Orthodontist 88, no. 4 (2018): 403–9. http://dx.doi.org/10.2319/103017-734.1.

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ABSTRACT Objectives: To clarify the relationship between tooth length and three-dimensional mandibular morphology in a healthy Japanese population. Materials and Methods: This study included 181 Japanese adults: 66 men and 115 women. Cone-beam computed tomography (CBCT) images were acquired with a dentofacial cone-beam x-ray CT scanner. Tooth length was measured with open-source OsiriX medical image processing software. Crown height and root length were measured in the maxillary and mandibular central incisors, lateral incisors, canines, first premolars, second premolars, first molars, and sec

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Ueda, Hiroshi, Morio Masunaga, Kayo Horie, Cynthia Concepcion Medina, and Kazuo Tanne. "Mesiodistal angulation of the lateral teeth to the functional occlusal plane in normal occlusions." APOS Trends in Orthodontics 6 (November 25, 2016): 302–5. http://dx.doi.org/10.4103/2321-1407.194794.

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Introduction Crowding is a malocclusion with irregularly positioned teeth caused by arch length discrepancy (ALD). Its incidence is high compared with the various malocclusions. In a previous study the crowns of the maxillary lateral teeth had erupted mesially in relation to the functional occlusal plane (FOP) in patients with Angle Class I malocclusion and highly erupted canines, which had been uprighted by non-extraction orthodontic treatment, yet these results were based on only two cases evaluated by using plaster models. Therefore, the aim of this study was to assess the mesiodistal angul

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Watanabe, Marlívia G. C. "Root caries prevalence in a group of Brazilian adult dental patients." Brazilian Dental Journal 14, no. 3 (2003): 153–56. http://dx.doi.org/10.1590/s0103-64402003000300002.

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The aim of this study was to measure the caries prevalence in the root surface in a group of Brazilian adults. The prevalence and their intraoral distribution of caries lesions of root surface were assessed in dental patients ranging in age from 35 to 44 and from 50 to 59 years of age of both sexes (n=360). A total of 98.9% had root surfaces with gingival recession and 78.1% had at least one root caries lesion. The prevalence of the disease was analyzed using the Root Caries Index (RCI). The average value was greater for women (18.6%) than for men (13.4%) (p<0.01) and similar in both age gr

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Fukui, Tadao, Fumiko Harada, Shuichi Morita, and Isao Saito. "Nonsurgical treatment of adult skeletal Class III malocclusion with crowding and missing four premolars corrected with extraction of mandibular first molars." Orthodontic Waves 71, no. 1 (2012): 31–38. http://dx.doi.org/10.1016/j.odw.2011.09.005.

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Pabst, Lindsay, John Nusstein, Melissa Drum, Al Reader, and Mike Beck. "The Efficacy of a Repeated Buccal Infiltration of Articaine in Prolonging Duration of Pulpal Anesthesia in the Mandibular First Molar." Anesthesia Progress 56, no. 4 (2009): 128–34. http://dx.doi.org/10.2344/0003-3006-56.4.128.

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Abstract Previous studies have shown declining rates of pulpal anesthesia over 60 minutes when a cartridge of 4% articaine is used with 1∶100,000 epinephrine for buccal infiltration in the mandibular first molar. The authors conducted a prospective, randomized, single-blind, crossover study comparing the degree of pulpal anesthesia obtained with 2 sets of mandibular first molar buccal infiltrations, given in 2 separate appointments, to 86 adult subjects: an initial infiltration of a cartridge of 4% articaine with 1∶100,000 epinephrine plus a repeated infiltration of the same anesthetic and dos

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Sakaguchi-Kuma, Tomomi, Yuji Ishida, Shuji Oishi, Tohru Kurabayashi, and Takashi Ono. "Cone-beam computed tomography-based quantitative analysis of the thickness of mandibular alveolar bone in adult females with different vertical facial patterns." APOS Trends in Orthodontics 10 (March 30, 2020): 25–31. http://dx.doi.org/10.25259/apos_11_2020.

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Objectives: The objectives of the study were to investigate the relationship between the thicknesses of the mandibular alveolar bone in the incisor, canine, premolar, and molar areas in adult female patients with different vertical skeletal patterns using cone-beam computed tomography (CBCT). Materials and Methods: CBCT images of 50 adult female patients before orthodontic treatment were analyzed. Based on the mandibular plane angle, they were divided into three groups: Low, average, and high-angle. The thicknesses of the alveolar and cancellous bones of the mandible were measured at the apice

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Susami, Takafumi, Takayuki Kuroda, and Teruo Amagasa. "Orthodontic Treatment of a Cleft Palate Patient with Surgically Assisted Rapid Maxillary Expansion." Cleft Palate-Craniofacial Journal 33, no. 5 (1996): 445–49. http://dx.doi.org/10.1597/1545-1569_1996_033_0445_otoacp_2.3.co_2.

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Some adult cleft palate patients show severe maxillary transverse contraction and posterior crossbite. This case report demonstrates successful surgical-orthodontic treatment of such a patient. Surgically assisted rapid maxillary expansion (SA-RME) was completed prior to comprehensive orthodontic treatment. The osteotomy was performed on both the buccal and lingual aspects of the posterior maxillary alveolus. A Hyrax-type maxillary-expansion appliance was used, and the screw (0.2 mm, one quarter turn) was turned two or three times per day. Comprehensive orthodontic treatment was initiated afte

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Capaldi, Francesca, Eleni Besi, and Elizabeth M. Roebuck. "The importance of periodontal screening in children. A case report." Dental Update 48, no. 6 (2021): 474–76. http://dx.doi.org/10.12968/denu.2021.48.6.474.

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The British Society of Periodontology, in collaboration with the British Society of Paediatric Dentistry, published guidelines in 2012 for the periodontal screening of children and adolescents. The guidelines recommended a simplified Basic Periodontal Examination (BPE) of six teeth for children aged 7–17 years. This is further modified for ages 7–11, using codes 0–2 from the 0–4 BPE adult chart. An unusual case of an 11-year-old boy who attended his general dental practitioner for a check-up is reported. Periodontal screening led to the detection of 13-mm pockets associated with the two mandib

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Southard, T. E., K. A. Southard, and E. A. Tolley. "Variation of Approximal Tooth Contact Tightness with Postural Change." Journal of Dental Research 69, no. 11 (1990): 1776–79. http://dx.doi.org/10.1177/00220345900690111301.

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In order to investigate the role played by posture in determining posterior dental contact tightness, we measured contact tightness of maxillary and mandibular posterior teeth in ten adult subjects, while each was initially seated upright, after each had assumed a supine posture for two h, and finally after each had returned to an upright posture for two h. The technique used for measurement of contact tightness was based on frictional force concepts and consisted of the recording of the force required to withdraw a 0.038-mm-thick stainless-steel strip that had been slipped into each contact.

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El-Fateh, Tarek, and Sabine Ruf. "Herbst treatment with mandibular cast splints—revisited." Angle Orthodontist 81, no. 5 (2011): 820–27. http://dx.doi.org/10.2319/101010-591.1.

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Abstract Objective: The objective of this study was to reassess the dento-skeletal treatment effects and the amount of anchorage loss during reduced mandibular splint (RMS) Herbst treatment. Materials and Methods: One hundred consecutive Class II patients treated with a RMS-Herbst appliance were analyzed. The mean pretreatment age of the patients was 14.5 years, and the mean treatment time with the Herbst appliance was 8.1 months. Both before (T1) and after (T2) Herbst treatment a cephalometric measurement of lower incisor inclination, a sagittal occlusion analysis, and a dental cast analysis

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Chugh, Vinay K., Vijay P. Sharma, Pradeep Tandon, and Gyan P. Singh. "Brodie bite with an extracted mandibular first molar in a young adult: A case report." American Journal of Orthodontics and Dentofacial Orthopedics 137, no. 5 (2010): 694–700. http://dx.doi.org/10.1016/j.ajodo.2008.04.033.

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Balanta-Melo, Julián, Maximilian Bemmann, Viviana Toro Ibacache, Kornelius Kupczik, and Sonja Buvinic. "Three-dimensional assessment of enamel and dentine in mouse molar teeth during masseter muscle hypofunction." Revista Estomatología 26, no. 2 (2019): 30–37. http://dx.doi.org/10.25100/re.v26i2.7634.

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Background: Mouse molar is a widely used model for teeth development. However, the effect of masticatory function on enamel and dentine in adult individuals remains poorly understood. As reported, the unilateral masseter hypofunction induced by botulinum toxin type A (BoNTA) resulted in mandibular bone damage and signs of unilateral chewing in adult mice. Objective: We aimed to assess the amount of enamel and dentine in the first molar (M1) during the unilateral masseter hypofunction in mice, using high-resolution X-ray microtomography (μCT) as threedimensional approach. Materials

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Shinkai, Rosemary Sadami Arai, Simone de Andrade Canabarro, Caroline Bom Schmidt, and Evandro Afonso Sartori. "Reliability of a digital image method for measuring medial mandibular flexure in dentate subjects." Journal of Applied Oral Science 12, no. 4 (2004): 358–62. http://dx.doi.org/10.1590/s1678-77572004000400020.

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Medial mandibular flexure (MMF) is the functional approximation of hemi-mandibles in jaw opening and protrusion, which may affect conventional or implant-supported arch prostheses. OBJECTIVE: This study evaluated the intra- and inter-rater reliability of a digital image method for linear measurement of MMF in dentate subjects. MATERIAL AND METHODS: Mandibular occlusal impressions in vinyl polysiloxane during rest and maximum opening were obtained from seven adult volunteers. Each impression and the Mitutoyo digital calipers with a 10mm opening were scanned at a 200% magnification. The images w

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Saga, Armando Yukio, Ivan Toshio Maruo, Hiroshi Maruo, Odilon Guariza Filho, Elisa Souza Camargo, and Orlando Motohiro Tanaka. "Treatment of an adult with several missing teeth and atrophic old mandibular first molar extraction sites." American Journal of Orthodontics and Dentofacial Orthopedics 140, no. 6 (2011): 869–78. http://dx.doi.org/10.1016/j.ajodo.2010.06.027.

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Girish, KS, GC Ramesh, MC Pradeep, G. Arun Kumar, and BS Suresh. "Over-bite and Vertical Changes following First Premolar Extraction in High Angle Cases." Journal of Contemporary Dental Practice 13, no. 6 (2012): 812–18. http://dx.doi.org/10.5005/jp-journals-10024-1234.

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ABSTRACT Aims and objectives Orthodontists generally agree that nonextraction treatment is associated with downward and backward rotation of the mandible and an increase in the lower anterior face height (LAFH). They also agree that extraction line of treatment is associated with upward and forward rotation of the mandible and decrease in the LAFH. The intent of this cephalometric investigation was to examine the wedge hypothesis, that the vertical dimension collapses after first bicuspid extraction. The present study was undertaken to evaluate the cephalometric overbite and vertical changes f

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Watanabe, Yohei, Tamaki Mohri, Rumi Yoshida, Masaki Yamaki, and Isao Saito. "Orthodontic treatment combined with tooth transplantation for an adult patient with a missing mandibular first molar: Long-term follow-up." American Journal of Orthodontics and Dentofacial Orthopedics 145, no. 4 (2014): S114—S124. http://dx.doi.org/10.1016/j.ajodo.2013.07.018.

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Kitshoff, A. M., H. de Rooster, S. M. Ferreira, D. Burger, and G. Steenkamp. "The comparative biomechanics of the reinforced interdental crossover and the Stout loop composite splints for mandibular fracture repair in dogs." Veterinary and Comparative Orthopaedics and Traumatology 26, no. 06 (2013): 461–68. http://dx.doi.org/10.3415/vcot-12-11-0140.

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Summary Objectives: To describe a new technique, the reinforced interdental crossover composite splint (RIC), for transverse mandibular fracture repair in dogs. This technique was compared biomechanically with the established reinforced interdental Stout loop composite splint (RIS) technique. Methods: Six pairs of mandibles from young adult small breed dogs were used for the study. Osteotomies were created in a standardized fashion and fixed with either RIC or RIS. All composite splint constructs were tested biomechanically with a cantilever bending force, using a single column testing machine

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Brunelle, J. A., M. Bhat, and J. A. Lipton. "Prevalence and Distribution of Selected Occlusal Characteristics in the US Population, 1988–1991." Journal of Dental Research 75, no. 2_suppl (1996): 706–13. http://dx.doi.org/10.1177/002203459607502s10.

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The inclusion of occlusal traits as part of the oral health component of the Third National Health and Nutrition Examination Survey, Phase 1, 1988–91, provided an opportunity to assess several occlusal characteristics in the US population: diastema ≥ 2 mm, alignment of lower and upper anterior teeth, posterior crossbite, overbite, and overjet. Household questionnaires asked whether the individual had ever received orthodontic treatment. Prevalence of clinical measures of occlusal characteristics and orthodontic treatment was estimated for over 7,000 sample persons from 8 to 50 years of age, re

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Kshirsagar, Rajesh, Nitin Jaggi, and Rajshekhar Halli. "Bite Force Measurement in Mandibular Parasymphyseal Fractures: A Preliminary Clinical Study." Craniomaxillofacial Trauma & Reconstruction 4, no. 4 (2011): 241–44. http://dx.doi.org/10.1055/s-0031-1293521.

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We measured the amount of bite force generated by patients treated for parasymphyseal fractures of the mandible by open reduction and internal fixation at various predetermined time intervals. Sixty volunteers ranging from 18 to 60 years old were selected as the control group. All measurements were made on a bite force measurement device with the head in an upright position and in an unsupported natural position. Bite forces were measured at the incisor and right and left molar regions. These bite forces were compared with six patients with isolated mandibular unilateral parasymphyseal fractur

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Rana, Md Masud, and Md Zakir Hossain. "A study on Arch Widths of Bangladeshi Adult Subjects with Class II-2 malocclusion compared to those with Class II div1 malocclusion and Normal Occlusion." Bangladesh Journal of Orthodontics and Dentofacial Orthopedics 3, no. 2 (2015): 12–17. http://dx.doi.org/10.3329/bjodfo.v3i2.24006.

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Aim : To evaluate the transverse discrepancy in different malocclusion groups. Also to test the hypothesisvthat models with Class II division 2 malocclusion may have mean maxillary arch widths significantly smaller than those with normal occlusions and significantly larger than those with Class II division 1 malocclusion. Thus the proposed study will generate interest among the orthodontists for further study over the transverse discrepancy of our patients and guide them to establish effective treatment strategy and their management.Methods: This study was a cross sectional study conducted amo

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Monika, Fransiska, and Retno Widayati. "Orthodontic camouflage treatment using a passive self-ligating system in skeletal Class III malocclusion." Dental Journal (Majalah Kedokteran Gigi) 53, no. 4 (2020): 191. http://dx.doi.org/10.20473/j.djmkg.v53.i4.p191-195.

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Background: The treatment options for adults with skeletal Class III malocclusion can be dentoalveolar compensation, also known as orthodontic camouflage, or orthognathic surgery. Camouflage treatment can be carried out with teeth extractions, distalisation of the mandibular dentition, and use of Class III intermaxillary elastics. However, intermaxillary elastics as anchorage has its own risk–benefit. Purpose: To explain that camouflage treatment with teeth extractions can be performed in a mild to moderate skeletal Class III malocclusion using intermaxillary anchorage with elastics, while min

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Kaya, Demet, T. Taner, M. Aksu, EI Keser, G. Tuncbilek, and ME Mavili. "Orthodontic and Surgical Treatment of a Patient with Apert Syndrome." Journal of Contemporary Dental Practice 13, no. 5 (2012): 729–34. http://dx.doi.org/10.5005/jp-journals-10024-1218.

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ABSTRACT The aim of this case report was to present the combined orthodontic and surgical treatment of a patient with Apert syndrome in an adult stage. A 15 years old male patient with Apert syndrome was concerned about the appearance of his face and malocclusion. His profile was concave with a retruded maxilla and prominent lower lip. He had an Angle class I molar relationship with a 9.5 mm anterior open bite. The amount of crowding was 20.4 mm in the maxilla and 6 mm in the mandible. Cephalometric analysis revealed a skeletal Class III relationship due to maxillary hypoplasia with a dolichof

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