The comparisons of them have been done and obtained several important factors that may affect the capability of reefs, including attachment area and current effect etc.
通过对各类礁体优化参数表面积的比较，初步验证了其对礁体性能的影响，包括礁体附着面积，流态效应等。
Conclusions Waterlase can achieve stability of gingival margin and gain normal periodontal attachment faster in crown lengthening surgery in aesthetic area.
结论水激光在美容区牙冠延长术中能较快获得龈缘的稳定性以及正常的牙周附着。
Results: the stress values of the ball attachment in the palate area, alveolar bone and implant bone interface were much higher than that of the bar attachment.
结果：发现杵臼附着式固位的种植赝复体在行使功能时其腭部、牙槽骨、种植体周围骨界面的应力值均远高于杆卡附着式固位的种植赝复体。
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