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对上颌Ni-Ti丝用于下颌扩弓1例分析如下。1病历摘要男,13岁。主诉牙列不齐,要求正畸治疗。
Maxillary Ni-Ti wire for mandibular expansion 1 case analysis is as follows. 1 medical summary male, 13 years old. The main complaint dentition missing, requiring orthodontic treatment.