患者,女,18岁,面部检查,无明显的异常,覆<img src='https://img2.soutiyun.com/shangxueba/ask/17565001-17568000/17567547/2015091816352486142.jpg' />10mm,覆盖2mm,上颌<img src='https://img2.soutiyun.com/shangxueba/ask/17565001-17568000/17567547/2015091816354480668.jpg' />和下颌<img src='https://img2.soutiyun.com/shangxueba/ask/17565001-17568000/17567547/2015091816354642609.jpg' />开<img src='https://img2.soutiyun.com/shangxueba/ask/17565001-17568000/17567547/2015091816352486142.jpg' />,四个第一磨牙轻度Ⅲ类咬合关系,牙弓无拥挤,FMA42°下颌角141.5°,下颌支高度偏短。四个第一磨牙牙胚存在。有吮指习惯。矫正使用的最佳矫正器是()

A.方丝弓矫治器 B. "2×4"矫正器 C. Begg细丝弓矫正器 D. Frankel-Ⅲ矫正器 E. 腭开展矫正器

时间:2024-03-01 09:10:32

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