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。
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.
结果在正中颌位大力咬合时，线性总义齿修复组颞肌前束肌电值高于解剖式总义齿修复组，尤以牙槽嵴吸收严重的患者最为明显（P<0.05）；
Results The peak value of anterior temporal muscle of linear occlusal dentures with severe resorption of residual ridge was higher than that of anatomic occlusal dentures ( P< 0.05 ).
目的：总结嵌贴式植骨方法进行缺牙后重度吸收牙槽嵴骨增量的植骨技术及其效果。
PURPOSE: TO summarize the techniques and effects of onlay bone grafts on the augmentation of the severely atrophic alveolar ridges.
目的对拔牙术后抑制牙槽骨过度吸收，保持牙槽嵴高度进行研究。
Objective To study how to avoid excessive absorption alveolar bone in order to keep the height of alveolar ridge after tooth extraction.
目的观察上颌窦提升一期种植术治疗上颌后牙缺失牙槽嵴严重吸收患者的临床疗效。
Objective To study the effect of maxillary sinus floor lifting by bone graft for immediate implantation.
目的观察上颌窦提升一期种植术治疗上颌后牙缺失牙槽嵴严重吸收患者的临床疗效。
Objective To study the effect of maxillary sinus floor lifting by bone graft for immediate implantation.
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