A Review on Comparison of Tooth Size Discrepancies among Angle\'s Class I, II, and III Malocclusion: Is There a Significance?
Mehjabeen A Jabri, Song Wu, Yaoyuan Zhang, Junqing Ma, Lin Wang
Angle class I, Angle class II, Angle class III, Malocclusion, Mandible, Maxilla, Orthodontics
Citation Information :
Jabri MA, Wu S, Zhang Y, Ma J, Wang L. A Review on Comparison of Tooth Size Discrepancies among Angle\'s Class I, II, and III Malocclusion: Is There a Significance?. J Contemp Dent Pract 2019; 20 (8):994-999.
Aim: The contemporary article aims to review and compare various literatures concerning different conclusions regarding the correlation between tooth size discrepancy (TSD) and Angle\'s malocclusion groups.
Background: Acquiring the ideal occlusion plays one of the major roles while designing the treatment plan for an orthodontic patient, any alterations in the individual tooth sizes are called TSD and will hinder this prime requirement. By determining the correct tooth size ratio, it further helps in acquiring the accurate interdigitation, balanced occlusion, and also predicting the orthodontic treatment results. Various investigations were carried out to know the correlation between tooth size discrepancies and different malocclusion groups, of which, a few reported a statistically significant difference whereas others reported no significant difference.
Review results: A computerized database quest was operated utilizing the Medline database (Pubmed/Medline) for original research and review articles. Publications between 1946 and 2018 were included. Four hundred twenty-one articles were recovered from database search and, among them, 66 articles were selected to review the full-article.
Conclusion: Although a comparison was done between the tooth-size ratios and malocclusion groups (classes I, II, and III), many investigators noted no significant difference but there is an inadequacy in the data particularly related to subgroups of Angle\'s classification of malocclusion among these investigations; therefore, further studies are required to interpret this correlation.
Clinical significance: As there is high incidence of tooth size discrepancies noted in the previous literature orthodontist, Bolton\'s analysis regardless of malocclusion group, sex, and ethnicity is highly recommended.
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