Hard and soft tissue predictability with advancement genioplasties |
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| Affiliation: | 1. Division of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland;2. Division of Gastroenterology and Hepatology, Triemli Hospital Zurich, Zurich, Switzerland;3. Division of Gastroenterology and Hepatology, Spital Tiefenau, Bern, Switzerland;4. Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Boston, MA, USA;5. Division of Gastroenterology and Hepatology, University Hospital Lausanne—CHUV, Lausanne, Switzerland;1. Division of General Internal Medicine, Department of Medicine, University of Florida, Gainesville, FL;2. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of Florida, Gainesville, FL;1. Department of Neurosurgery, Caen University hospital Normandy, avenue de la Côte-de-Nacre, 14000 Caen, France;2. Department of Radiology, Caen University hospital Normandy, 14000 Caen, France;3. Department of Neurology, Caen University hospital Normandy, 14000 Caen, France;4. UNICAEN, Inserm, UMR-S U1237, Normandie Université, Physiopathology and Imaging of Neurological Disorders (PhIND), GIP Cyceron, 14000 Caen, France |
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| Abstract: | Variability in soft tissue response to genial advancements has been noted in the literature. Although many factors may influence the results, little attention has been paid to bony vertical movement in conjunction with the bony horizontal movement of the chin and its effect on horizontal soft tissue movement. Eighteen patients who underwent isolated genial advancements were studied preoperatively and for at least 6 months after surgery. It was noted that the further the chin was advanced the less the soft tissue followed the advancement. In addition, vertical movement of the chin greatly influenced the overall result. The more the bony chin is shortened, the thicker the soft tissue chin becomes; the reverse is true when it is lengthened. Finally, horizontal resorption/stability appears to be influenced by the amount of dissection rather than the amount of advancement. |
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