J Oral Pathol Med (2012) 41: 577–583 Recurrent aphthous stomatitis (RAS) is a common clinical condition producing painful ulcerations in oral cavity. The diagnosis of RAS is based on well‐defined clinical characteristics but the precise etiology and pathogenesis of RAS remain unclear. The present article provides a detailed review of the current concepts and knowledge of the etiology, pathogenesis, and management of RAS.
Purpose: In adults, correction of such a jaw base relation is done by bilateral sagittal split osteotomy and mandibular advancement which often causes change in the cervicomental angle that might not be within the acceptable and aesthetic range. The objective of this systematic review was to evaluate the changes observed in cervicomental angle after mandibular advancement surgery. Data Sources: Based on the available data, we conducted an electronic database PubMed search, based on the search of published data from 1994 to 2017, six strategies were designed using two keywords, and four articles were shortlisted for systematic review. Study Eligibility Criteria: Studies that provide information on cervicomental angle changes after mandibular advancement surgery, published from 1994 to 2017. Results: The search yielded 168 articles, of which four were included based on the selection criteria. These articles described that the cervicomental angle observed after mandibular advancement surgery falls between 95° and 125°. Conclusion: Cervicomental angle decreases as the mandible is advanced to correct the jaw base Class II relation to Class I. Acceptable range is found to be between 95° and 125°. Implications: An esthetic look is the desire of every patient that reports to the clinics for an orthodontic correction. Surgical correction is an integral part of the treatment. While advancing the mandible, change is observed in the cervicomental angle. Knowing the acceptable range of this angle will help the orthodontist and the oral surgeon to plan the advancement accordingly.
Introduction: Successful orthodontic treatment outcome depends on an accurate diagnosis along with clinical management of vertical and transverse discrepancies. Thus, this study is carried out to evaluate dental arch and alveolar width along with buccolingual inclination of maxillomandibular teeth in different malocclusions. Materials and Methods: Based on the Angle's classification of malocclusion, 140 study models were selected and four separate groups were formed-normal occlusion, Class I malocclusion, Class II division 1 and Class II division 2 respectively. Maxillomandibular arch and alveolar widths at canines, 1 st and 2 nd premolars and first molars were measured. Buccolingual inclination of posterior teeth were measured. Lateral cephalogram of all the sample subjects was taken to calculate SNA, SNB, ANB angle, Wits Appraisal and McNamara Differential. Oneway Anova test was performed. Results: Maxillary intercanine, interpremolars, intermolar and maxillary dentoalveolar width is more in normal occlusion when compared with Class I, Class II division 1 and Class II division 2 malocclusions. Class II division 1 has narrower intercanine and interpremolar width with similar intermolar width as compared to Class II division 2. For transverse discrepancy buccolingual inclination is fundamental. Conclusion: Class II division 2 has a smaller arch width and Class II division 1 shows a significantly larger arch width than Class I malocclusions.
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