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首页> 外文期刊>American Journal of Orthodontics and Dentofacial Orthopedics >Effect of ion implantation of TMA archwires on the rate of orthodontic sliding space closure.
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Effect of ion implantation of TMA archwires on the rate of orthodontic sliding space closure.

机译：TMA弓丝的离子注入对正畸滑动空间闭合速率的影响。

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摘要

A split-mouth randomized clinical trial was used to determine whether ion implantation of beta-titanium archwire would facilitate sliding space closure. After bilateral maxillary first premolar extractions, 0.19 x 0.025-inch beta-titanium arch wires, ion-implanted on one half only, were placed in 30 subjects aged 10 to 42 years wearing unimplanted 0.022 inch slot appliances. Nickel-titanium springs (150 g) were placed bilaterally to close the extraction spaces. Space closure was measured intraorally at monthly intervals until either the space on one side closed or 6 months had elapsed. The median rates of space closure were not significantly different between the ion-implanted and the unimplanted sides. The average rate of space closure on these beta-titanium wires, with or without ion implantation, was similar to the rate reported on stainless steel arch wires.
机译：一项裂口随机临床试验用于确定β-钛弓丝的离子植入是否会促进滑动空间闭合。在双侧上颌第一前磨牙拔除后，将0.19 x 0.025英寸的β-钛弓丝（仅离子注入一半）放置在30例年龄为10至42岁，戴着未植入0.022英寸狭槽矫治器的受试者中。两侧放置镍钛弹簧（150克）以关闭提取空间。每隔一个月进行一次口内封闭测量，直到一侧封闭或六个月过去。离子注入侧和未注入侧之间的空间封闭率中值无显着差异。无论有无离子注入，这些β-钛金属丝的平均空间闭合率与不锈钢弓形金属丝的平均闭合率相似。

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