A cone-beam computed tomography study on strategic uprighting of mandibular molars using a biocreative reverse curve system.

IF 2.6 3区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Korean Journal of Orthodontics Pub Date : 2022-07-22 DOI:10.4041/kjod22.140

Jae-Woo Kim, Jin-Young Choi, Min-Ji Kim, Xu Bin, Seong-Hun Kim

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引用次数: 1

Abstract

Objective: To analyze the overall treatment effects in terms of the amount of uprighting with changes in the three-dimensional positions of the mandibular posterior teeth after applying the biocreative reverse curve (BRC) system.

Methods: Thirty-four patients (mean age, 20.5 ± 8.56 years) were treated using the BRC system (mean period, 8.17 ± 2.19 months). Cone-beam computed tomography was performed before treatment and after treatment with the BRC system. The three-dimensional movement of each tooth was analyzed in the coordinate system at points on the crown and root apex. A paired t-test was used to analyze the treatment effects of the BRC system.

Results: The application of the BRC system spanning from the first premolar to the second molar resulted not only in buccal and distal uprighting, but also in increased buccal and distal tipping of the teeth. The premolars and the first molar were extruded, and the second molar was intruded.

Conclusions: When the BRC system is applied, simultaneous distal and buccal uprighting of the premolars and molars can be achieved bilaterally using a temporary skeletal anchorage device without unnecessary movement of the anterior teeth.

Abstract Image

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锥形束计算机体层摄影技术在下颌磨牙生物创反曲线矫正中的应用研究。

目的:分析生物创反曲线(BRC)系统应用后下颌后牙三维位置变化后的整体矫治效果。方法:采用BRC系统治疗34例患者(平均年龄20.5±8.56岁)，平均时间8.17±2.19个月。在治疗前和治疗后分别用BRC系统进行锥形束计算机断层扫描。在牙冠和牙根尖的坐标系统中分析每颗牙的三维运动。采用配对t检验分析BRC系统的治疗效果。结果:从第一前磨牙到第二磨牙的BRC系统的应用不仅使牙齿的颊部和远端直立，而且使牙齿的颊部和远端倾斜增加。前磨牙和第一磨牙凸出，第二磨牙凸出。结论:BRC系统应用后，使用临时骨支抗装置可实现前磨牙和磨牙的远端和颊侧同时直立，无需前牙的不必要移动。

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

Korean Journal of Orthodontics DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.50

自引率

10.50%

发文量

审稿时长

>12 weeks

期刊介绍： The Korean Journal of Orthodontics (KJO) is an international, open access, peer reviewed journal published in January, March, May, July, September, and November each year. It was first launched in 1970 and, as the official scientific publication of Korean Association of Orthodontists, KJO aims to publish high quality clinical and scientific original research papers in all areas related to orthodontics and dentofacial orthopedics. Specifically, its interest focuses on evidence-based investigations of contemporary diagnostic procedures and treatment techniques, expanding to significant clinical reports of diverse treatment approaches. The scope of KJO covers all areas of orthodontics and dentofacial orthopedics including successful diagnostic procedures and treatment planning, growth and development of the face and its clinical implications, appliance designs, biomechanics, TMJ disorders and adult treatment. Specifically, its latest interest focuses on skeletal anchorage devices, orthodontic appliance and biomaterials, 3 dimensional imaging techniques utilized for dentofacial diagnosis and treatment planning, and orthognathic surgery to correct skeletal disharmony in association of orthodontic treatment.