A.恢复正常轴面外形高点
B.扩大邻间隙
C.尽量减少龈端与牙槽嵴接触面积
D.保持龈端与牙槽嵴紧密接触
E.桥体高度抛光
A.5°
B.30°
C.45°
D.90°
E.135°
A.5°
B.30°
C.45°
D.90°
E.135°
A.5°
B.30°
C.45°
D.90°
E.135°
A.5°
B.30°
C.45°
D.90°
E.135°