Aesthetic guidelines in genioplasty: the role of facial disproportion.

摘要: It has been demonstrated previously that many individuals requesting chin enlargement have small or retruded mandibles. A weak may be only one aspect of this particular class II skeletal deformity, the other components being a procumbent, retrusive lower lip, excessive labiomental fold depth, and decreased to normal face height. To avoid unaesthetic results, should not advanced beyond component over which osseous genioplasty no control. This result in residual sagittal "weakness" face, for visual compensation can achieved by vertical overelongation chin. Thirty-two patients presented with aforementioned deformity. Twenty had height 12 Preoperative soft-tissue cephalometric analysis documented physical findings. The extent movement was planned advance pogonion further than lip. Vertical intentionally designed overelongate relative midface all patients. Radiographs were repeated at mean 8.2 months following surgery document displacements. Mean advancement modest 4.2 mm (2- 7-mm range), displacement 7.9 (5.5- 9-mm range). All disproportion subnasale (-7.6 mean) newly created heights 69.8 compared 64 mm.(ABSTRACT TRUNCATED AT 250 WORDS)