Effect of anterior overbite malocclusion on smile esthetics in adult patients

Objective To investigate whether overbite affects smile esthetics. Methods This study involved 106 patients with complete pretreatment records. Lateral cephalometric tracings were used to measure hard tissue variables. Frontal smile and upper occlusal photographs were used to measure nine smile esth...

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Bibliographic Details
Published in:Journal of international medical research 2021-09, Vol.49 (9), p.3000605211039578-3000605211039578
Main Authors: Cheng, Johnson Hsin-Chung, Lee, Tracy Yi-Hsuan, Cheng, Pei-Chin, Chen, Daniel De-Shing
Format: Article
Language:English
Subjects:
Dental occlusion
Regression analysis
Retrospective Clinical Research Report
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Summary:Objective To investigate whether overbite affects smile esthetics. Methods This study involved 106 patients with complete pretreatment records. Lateral cephalometric tracings were used to measure hard tissue variables. Frontal smile and upper occlusal photographs were used to measure nine smile esthetic variables: arc ratio, number of teeth, upper incisor exposure, upper midline, buccal corridor ratio, smile index, archform index, lower teeth exposure, and interlabial gap. The patients were classified into three groups according to their overbites (B1: 0–4 mm, B2: >4 mm, and B3:
ISSN:0300-0605
1473-2300
DOI:10.1177/03000605211039578