所有牙的额(唇)舌面颈部1／3处的龋损所制备的窝洞为A.Ⅱ类洞 B.Ⅴ类洞 C.Ⅲ类洞 D.Ⅰ类洞 E.Ⅳ类洞

作者: tihaiku 人气: - 评论: 0

问题所有牙的额(唇)舌面颈部1／3处的龋损所制备的窝洞为

选项 A.Ⅱ类洞 B.Ⅴ类洞 C.Ⅲ类洞 D.Ⅰ类洞 E.Ⅳ类洞

答案 B

解析

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