某男性患者,59岁。缺失,近中舌侧倾斜,无龋,不松动,牙周健康,与对颌有咬合接触。最宜用A:回力卡环 B:杆形卡环 C:对半卡环 D:联合卡环 E...

作者: tihaiku 人气: - 评论: 0
问题 某男性患者,59岁。缺失,近中舌侧倾斜,无龋,不松动,牙周健康,与对颌有咬合接触。最宜用
选项 A:回力卡环 B:杆形卡环 C:对半卡环 D:联合卡环 E:圈形卡环
答案 E
解析 对于选择的基牙如发生舌向倾斜应使用圈形卡环,这样有利于卡环的固位。

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