为减轻Kennedy一、二类缺损者游离端基牙的负担，除采用RPI卡环以外，还可采用A.对半卡环B.延伸卡环C.圈形卡环D.回力卡环E....

作者: rantiku 人气: - 评论: 0

问题为减轻Kennedy一、二类缺损者游离端基牙的负担，除采用RPI卡环以外，还可采用 A.对半卡环 B.延伸卡环 C.圈形卡环 D.回力卡环 E.圆环形卡环

选项

答案 D

解析

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