Facial analysis for chin deformities evaluates the perioral structures independently and their relationship to the entire face. Chin deformities in the absence of malocclusion can be treated by a genioplasty. Patient evaluation and preoperative planning and the operative technique for an osseogenioplasty are outlined with clinical reports to illustrate.
A wide range of facial proportions of the profile are considered normal, but extreme bimaxillary protrusion and retrusion are very unattractive. Maxillary setback in the right occlusal setting represents a good option that should be part of the armamentarium of the orthognathic surgeon. The surgical technique for one-piece maxilla repositioning is outlined and representative cases described.
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