乳牙拔除时首要注意的是A.不要遗留残片 B.牙缺有无撕裂 C.牙槽骨有无骨折 D.保护恒牙胚 E.牙槽窝内血凝块的保护

作者: tihaiku 人气: - 评论: 0

问题乳牙拔除时首要注意的是

选项 A.不要遗留残片 B.牙缺有无撕裂 C.牙槽骨有无骨折 D.保护恒牙胚 E.牙槽窝内血凝块的保护

答案 D

解析

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