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1·Methods after horizontal osteotomy the chin moved up and fixed with intraoral incision implant was used in augmentation mentoplasty in order to increase heights and outshoot of the chin.

方法采用口内切口颏部水平截骨前移固定后，再联合利用在颏部置入合适假体的隆颏术，以进一步增加颏突度和颏长度，改善颏部形态。