Anterior palatal plate with posterior palatal bar can not be used on the patient whose alveolar mucosa is not healthy.
缺牙区牙槽骨、黏膜条件较差者，应避免前腭板加后腭杆形式的大连接体。
Conclusion Skin graft and alveolar mucosa both formed fiber connective tissue attachment on the surface of implant, which seal the environment between the oral and bone-interface.
结论口腔环境下，皮肤和牙槽黏膜均有纤维结缔组织在种植体表面附着，形成“袖口”，起生物封闭作用。
Conclusion Skin graft and alveolar mucosa both formed fiber connective tissue attachment on the surface of implant, which seal the environment between the oral and bone-interface.
结论口腔环境下，皮肤和牙槽黏膜均有纤维结缔组织在种植体表面附着，形成“袖口”，起生物封闭作用。
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