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患者,男25岁,双侧下颌1缺失,缺牙隙龈(牙合)距离7mm,近远中距离15mm,颊舌向宽度8mm,骨质I级,牙槽崎顶距下牙槽神经管约10mm,拟行种植治疗,下列治疗方案中最佳者为()
A.种植两枚种植体,直径均为4mm,长度均为8mm
B.种植一枚种植体,直径为6mm,长度为10mm
C.种植两枚种植体,直径均为3.3mm,长度为9mm
D.种植一枚种植体,直径为5mm,长度为8mm
E.种植两枚种植体,直径分别为4mm和3.3mm,长度均为10mm
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A、种植两枚种植体,直径均为4mm,长度均为8mm