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牙根吸收的机制因素尚不明了,但正畸矫治时的牙齿移动被认为是牙根吸收的主要原因之一。不同研究报告,正畸治疗病人有
The mechanism of root resorption is unknown, but tooth movement during orthodontic treatment is considered as one of the main reasons for root resorption. Different research reports, orthodontic treatment of patients