Orthodontic Root Resorption的意思|示意

Objective to investigate the factors relating to root resorption after orthodontic treatment.

目的研究影响正畸治疗后牙根吸收的部分临床因素。

PURPOSE: The purpose of this study was to evaluate the effect of high pull J hook headgear(HPHG) on root resorption of maxillary incisors during orthodontic treatment.

目的：评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。

Abstract : Root resorption is a large side effect which occurrs in the course of orthodontic treatment, and early diagnosis of root resorption is important for the prognosis.

摘要 牙根吸收作为正畸治疗中一个常见的并发症越来越受到医生的关注。 早期诊断根吸收具有十分积极的意义。

Then analyze root resorption and its distribution changes among groups . Result: Root resorption occurred during orthodontic treatment in each group(P<0.001).

结果：三组病例正畸治疗前后牙根等级分布改变有显著性差异（P< 0 .0 0 1）。