Objective To study the root resorption caused by edgewise appliance combined with flat bite plate treatment.

目的探讨方丝弓矫治器配合使用平面导板正畸治疗对牙根吸收的影响.

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METHODS: The edgewise appliance orthodontic theory and method were applied in the replantation of dropped teeth.

方法: 利用方丝弓固定正畸术的矫治原理和矫治方法,应用于脱落牙的再植.

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Objective To study the clinical effect of fixing trauma tooth with Edgewise appliance.

结论方丝弓托槽固定外伤牙安全、简便、效果良好.

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