COMPARISON OF CLASS III MALOCCLUSION TREATMENT CHANGES WITH TWO PRESCRIPTIONS OF PREADJUSTED BRACKETS

Revista de Ciências Médicas e Biológicas Pub Date : 2024-02-16 DOI:10.9771/cmbio.v22i4.53514

Domingos Vieira, Paula Cotrin, Christian Zamberlan Angheben, K. Freitas, Rodrigo Hermont Cançado, F. Valarelli

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Abstract

Objective: This retrospective study aimed to compare Class III malocclusion treatment changes performed with two different preadjusted bracket prescriptions: Biofunctional and Roth. Material and Methods: The sample comprised 84 Class III malocclusion patients treated with compensatory approaches. The sample was divided into 2 groups: Group 1 (Biofunctional): 36 patients (23 female, 13 male) with a mean initial age of 20.04 years and a mean treatment time of 2.53 years. Group 2 (Roth): 48 patients (28 female and 20 male) with a mean initial age of 19.05 years and a mean treatment time of 2.64 years. Intergroup comparisons at the pre- (T1) and posttreatment (T2) stages and of the treatment changes (T2-T1) were performed with t tests. Results: There were greater maxillary and mandibular incisors labial and lingual tipping and greater occlusal plane counterclockwise rotation in the Roth than in the Biofunctional prescription. Conclusion: Compensatory Class III malocclusion treatment performed with the Biofunctional prescription minimizes the side effects of Class III elastics.

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使用两种预调托槽治疗 III 类错牙合畸形的变化比较

研究目的这项回顾性研究旨在比较使用两种不同的预调托槽处方进行的 III 类错牙合畸形治疗变化：Biofunctional 和 Roth。材料和方法：样本包括 84 名采用补偿方法治疗的 III 类错牙合畸形患者。样本分为两组：第一组（生物功能组）：36 名患者（23 名女性，13 名男性），初始平均年龄为 20.04 岁，平均治疗时间为 2.53 年。第 2 组（罗斯）：48 名患者（28 名女性和 20 名男性），平均初始年龄为 19.05 岁，平均治疗时间为 2.64 年。治疗前（T1）和治疗后（T2）阶段以及治疗变化（T2-T1）的组间比较采用 t 检验。结果显示与 Biofunctional 处方相比，Roth 处方的上颌和下颌切牙唇侧和舌侧倾角更大，咬合面逆时针旋转更大。结论使用 Biofunctional 处方进行 III 类错牙合畸形的补偿治疗可将 III 类矫治器的副作用降至最低。

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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Revista de Ciências Médicas e Biológicas

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