目的：评价牙周-正畸联合治疗牙周炎致前牙扇形移位的临床效果。
PURPOSE: To evaluate the clinical effects of combined periodontal and orthodontic method in treating labial displacement of anterior teeth caused by periodontitis.
目的：评价牙周-正畸联合治疗牙周炎致前牙扇形移位的临床效果。
PURPOSE: To evaluate the clinical effects of combined periodontal and orthodontic method in treating labial displacement of anterior teeth caused by periodontitis.
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