A.輕微的個(gè)別牙傾斜 B.對(duì)生理過(guò)程無(wú)大妨礙 C.輕微的上頜前突 D.第三磨牙萌出不全 E.面有輕微的磨耗
A.25% B.40% C.60%~70% D.49% E.90%