Treatment of skeletal class III malocclusion using a combined clear aligner and surgery-early approach : Assessment based on the American Board of Orthodontics Objective Grading System.

IF 1.3 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Orofacial Orthopedics-Fortschritte Der Kieferorthopadie Pub Date : 2024-09-01 Epub Date: 2023-03-03 DOI:10.1007/s00056-023-00458-2

Guoli Zhou, Fei Yu, Hongbo Yu, Lunguo Xia, Lingjun Yuan, Bing Fang

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引用次数: 0

Abstract

Purpose: To evaluate whether clear aligner therapy (CAT) combined with a surgery-early approach can achieve good therapeutic effects in patients with skeletal class III malocclusion.

Methods: Thirty consecutive skeletal class III malocclusion cases treated with clear aligners combined with early surgery were selected. Treatment time, lateral cephalograms and American Board of Orthodontics Objective Grading System (ABO-OGS) scores of the treatment models were measured to evaluate the treatment efficiency, facial profile, and occlusion.

Results: The results showed that early surgery was achieved after 7.71 months of presurgical orthodontics, on average. ANB decreased by 5.57° (P < 0.001), and STissue N Vert to Pog' decreased by 7.29 mm (P = 0.001), both reaching normal values. The posttreatment ABO-OGS scores were 26.600 on average, meeting its standards.

Conclusions: With the assistance of CAT, early surgery can be accomplished in patients with skeletal class III malocclusion, improving their facial profile and achieving functional occlusion.

Abstract Image

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采用透明矫治器和手术相结合的早期方法治疗 III 类骨骼错颌畸形：基于美国正畸委员会客观分级系统的评估。

目的：评估透明矫治器疗法（CAT）与早期手术相结合的方法能否对骨骼Ⅲ类错颌畸形患者取得良好的治疗效果：方法：选取30例连续的骨骼Ⅲ类错颌畸形病例，采用透明矫治器联合早期手术治疗。测量治疗时间、治疗模型的侧位头影和美国正畸委员会客观分级系统（ABO-OGS）评分，以评估治疗效率、面部轮廓和咬合情况：结果显示，平均经过 7.71 个月的术前正畸治疗后，患者实现了早期手术。ANB下降了5.57°（P 结论：在CAT的辅助下，早期手术的效果非常明显：在 CAT 的辅助下，骨骼Ⅲ类错颌畸形患者可以实现早期手术，改善面部轮廓并实现功能性咬合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Orofacial Orthopedics-Fortschritte Der Kieferorthopadie 医学-牙科与口腔外科

CiteScore

3.90

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Orofacial Orthopedics provides orthodontists and dentists who are also actively interested in orthodontics, whether in university clinics or private practice, with highly authoritative and up-to-date information based on experimental and clinical research. The journal is one of the leading publications for the promulgation of the results of original work both in the areas of scientific and clinical orthodontics and related areas. All articles undergo peer review before publication. The German Society of Orthodontics (DGKFO) also publishes in the journal important communications, statements and announcements.