alveolar bone resorption 牙周炎牙槽骨吸收 ; 牙槽骨吸收
alveolar bone resorption animal model 实验性牙槽骨吸收模型
resorption of alveolar 牙槽嵴吸收
Objective: To study if closing obsolete molar space could cause severe resorption of alveolar crest through comparing the height of alveolar crest before and after closing obsolete molar space.
目的：通过对正畸关闭陈旧性磨牙间隙前后牙槽嵴高度的对比，探讨关闭陈旧性磨牙间隙是否加重牙槽嵴吸收。
Results: bone resorption was more obvious in alveolar bone with residual roots than that without roots.
结果：无牙根保留的牙槽骨吸收较有牙根保留的牙槽骨吸收明显。
All groups had alveolar bone resorption.
各组均有牙槽骨吸收。
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