患者,女,45岁,<img src='https://img2.soutiyun.com/shangxueba/ask/18102001-18105000/18103503/2015092409542615056.jpg' />缺失,余牙正常,<img src='https://img2.soutiyun.com/shangxueba/ask/18102001-18105000/18103503/2015092409543757418.jpg' />设计铸造支架修复,设计何种卡环()

A.对半卡环 B. 正型卡环 C. 杆式卡环 D. 环形卡环 E. 应力中断式卡环

时间:2023-06-28 16:41:40

相似题目