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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.
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