前顱底和下頜骨發(fā)育正常,而下牙槽突代償性后縮可導(dǎo)致成年腭裂患者的假性頦前突.But the retrusion of alveolar mandible led to chin protrusion.結(jié)論 自體下頜骨移植隆頦,無排異等不良反應(yīng),移植骨塊與頦部能牢固愈合,術(shù)后效果滿意,是一種理想的頦部美容手術(shù)方法.Chin augmentation with autogenous mandibular bone is an ideal m...