Santos Genivaldo Dos, Consolaro Alberto, Meloti Fernanda, Cardoso Mauricio de Almeida, Silva Ertty, Li An Tien, Nascimento Monikelly do Carmo Chagas
Private Practice (Assis/SP, Brazil).
Universidade de São Paulo, Faculdade de Odontologia de Ribeirão Preto, Programa de Pós-Graduação em Odontopediatria (Ribeirão Preto/SP, Brazil).
Dental Press J Orthod. 2020 Jul-Aug;25(4):16-22. doi: 10.1590/2177-6709.25.4.016-022.oin.
When miniplates are used as anchoring for orthodontic mechanics for anterior open bite correction by retraction of anterior teeth and posterior teeth intrusion and retraction, orthodontically induced inflammatory external apical root resorption is clinically negligible.
A homogeneous sample of 32 patients was used, and the roots of the teeth were compared on CT scans performed before and after orthodontic treatment.
The observed root resorption was minimal, and this can be explained by the uniform distribution of forces in several teeth, simultaneously, in the set of the dental arch and in the bone that supports the teeth.
The most important thing to prevent root resorption in orthodontic practice, besides being concerned with the intensity of the applied forces, is to be careful with its distribution along the roots of each tooth, in the dental arch and in the bone that supports the teeth.
当使用微型钢板作为正畸力学的锚固装置,通过内收前牙以及压低和内收后牙来矫正前牙开时,正畸诱导的根尖外炎性根吸收在临床上可忽略不计。
选取32例患者组成同质样本,在正畸治疗前后进行CT扫描,比较牙齿的牙根情况。
观察到的根吸收极小,这可以通过力在牙弓组中多颗牙齿以及支持牙齿的骨组织中同时均匀分布来解释。
在正畸实践中,防止根吸收最重要的是,除了关注施加力的强度外,还要注意力沿每颗牙齿的牙根、在牙弓以及支持牙齿的骨组织中的分布。