题目内容:
哪一类矫治器不需要应用托槽
A.Edgewise Appliance
B.Begg Appliance
C.Invisalign
D.Straigh wise Appliance
E.Lingual appliance
参考答案:
哪一类矫治器不需要应用托槽
A.Edgewise Appliance
B.Begg Appliance
C.Invisalign
D.Straigh wise Appliance
E.Lingual appliance