自结扎直丝、常规直丝和标准边缘矫治器治疗患者牙列前边界的比较。

ISRN dentistry Pub Date : 2012-01-01 Epub Date: 2012-07-01 DOI:10.5402/2012/748758
Luca Lombardo, Paolo Ficara, Ivano Maltoni, Lorenz Moser, Maria Paola Guarneri, Giuseppe Siciliani
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引用次数: 7

摘要

本研究的目的是鉴别和比较三种不同类型的正畸力学所引起的牙列前边界位置的差异:传统的边缘矫正、直线矫正和自结扎矫正。从289例患者中选出54例患者,其上、下牙弓在T0时的Little's不规则指数范围在最小6.5到最大13.5之间,相应的最终值不大于2,因此不规则程度最小。根据治疗中使用的托槽类型,将54例患者分为三组:第一组24例患者采用自结扎技术,第二组15例患者采用传统的直丝技术(Roth),第三组15例患者采用标准的边缘技术。在侧侧放射远摄摄影上进行头部测量示踪。组1值无显著性差异,组2、组3值有显著性差异(P < 0.05)。在所有三个样本组中也证明了上门牙的显著唇倾。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of the anterior limit of the dentition in patients treated with self-ligating straight-wire, conventional straight-wire and standard edgewise appliances.

THE AIM OF THIS STUDY WAS TO IDENTIFY AND COMPARE ANY DIFFERENCES IN THE POSITION OF THE ANTERIOR LIMIT OF THE DENTITION PROVOKED BY THREE DIFFERENT TYPES OF ORTHODONTIC MECHANICS: traditional edgewise, straightwire and self-ligating. A sample of 54 patients (selected from a group of 289 patients) possessed a range of Little's Irregularity Index values for the upper and lower dental arches between a minimum of 6.5 and a maximum of 13.5 at T0, and corresponding final values no greater than 2 and hence of minimal irregularity. The 54 patients were subdivided into three groups according to the type of brackets used in their treatment: Group 1 was composed of 24 patients treated using the self-ligating technique, Group 2 of 15 patients treated using a conventional straight-wire technique (Roth) and Group 3 of 15 patients treated using the standard edgewise technique. Cephalometric tracings were performed on laterolateral teleradiography. Group 1 value was found to be nonsignificant, whereas significant labial inclination was noted in Groups 2 and 3 (P < 0.05). A significant labial inclination of the upper incisors was also evidenced in all three sample groups.

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