Establishing the orthodontic tooth movement model in SD rat oral. The experimental side of the left maxillary arch, the right to control side.
在SD大鼠口腔内建立正畸牙齿移动模型，以左侧上颌牙弓为实验侧，右侧为对照侧。
Objective to study the application of superciliary arch incision, infraorbital incision and maxillary vestibular incision to the treatment with zygomatic fractures.
目的探讨下睑缘和眉弓及前庭切口在颧骨骨折中的应用。
PURPOSE: to study the effect of maxillary and mandibular lip bumper on tooth and dental arch in late mixed dentition.
目的：研究上下颌唇挡同时应用对替牙晚期儿童牙牙合的影响。
PURPOSE: to study the effect of maxillary and mandibular lip bumper on tooth and dental arch in late mixed dentition.
目的：研究上下颌唇挡同时应用对替牙晚期儿童牙牙合的影响。
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