发明最早的矫治器是A.Begg Appliance B.Edgewise Appliance C.Straigh wise Appliance D.Invisa

admin2020-12-24  12

问题 发明最早的矫治器是

选项 A.Begg Appliance
B.Edgewise Appliance
C.Straigh wise Appliance
D.Invisalign
E.Lingual appliance

答案B

解析
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