方法：8例前牙美观区缺失伴唇颊侧牙槽骨凹陷畸形要求种植修复患者，采用自体碎骨屑移植充填骨缺损区，无孔纯钛膜覆盖治疗，共计植入种植体19枚。

Methods:8patients with bone defects in the aesthetic zone were implant19dental implants, the defects around implants were filled with autograft bones, and then covered by titanium membranes.

youdao

另一方面，种植体支持的固定修复体并不能修复牙槽骨的大面积缺损。

On the other hand, implant supported fixed restorations cannot compensate for major alveolar defects.

youdao