Class II malocclusion correction with Invisalign: Is it possible?

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Brian D PattersonKi Beom Kim

Abstract

This research aimed to determine whether Class II malocclusion can be treated with clear aligners after completing treatment with the initial set of aligners. A sample of 80 adult patients were divided into Group 1 with Class I molar malocclusions (n = 40 [11 men and 29 women]; 38.70 ± 15.90 years) and Group 2 with Class II molar malocclusions (n = 40 [11 men and 29 women]; 35.25 ± 15.21 years). All patients had finished treatment with the initial set of Invisalign aligners (Align Technology, Santa Jose, Calif) without known centric occlusion-centric relation discrepancies, issues of compliance, or overcorrection. The 7 measurements using the American Board of Orthodontics (ABO) Model Grading System and millimetric measurements for anteroposterior (AP) and vertical dimensions were assessed and compared between the 2 groups at pretreatment, posttreatment ClinCheck (Align Technology) prediction, and posttreatment. No improvements were observed in the AP correction. The amount of AP correction in patients with Class II malocclusion was 6.8% of the predicted amount. The amount of overbite correction achieved was 28.8% and 38.9% of the predicted amounts in patients with Class I and Class II malocclusion, respectively. Significant im...Continue Reading

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Citations

Apr 4, 2021·International Journal of Environmental Research and Public Health·Alessandra PutrinoGabriella Galluccio
Jun 29, 2021·Progress in Orthodontics·Kazem DalaieSamin Ghaffari
Jul 27, 2021·International orthodontics·Fawzi M AlQatamiRainer Schwestka-Polly

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