Outcomes and Satisfaction of Chin Augmentation With Expanded Polytetrafluoroethylene (ePTFE) Implants: A 12-Month Retrospective Study

Vollständiger Abstract

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Aim: To evaluate the aesthetic outcomes, patient satisfaction, and safety of chin augmentation using expanded polytetrafluoroethylene (ePTFE) implants over 12 months. Methods: Of 152 patients who underwent intraoral ePTFE chin augmentation, 105 with complete 12-month follow-up were analyzed (85 women, 20 men; mean age 29.3 years; all with isolated microgenia and Angle Class I occlusion). The labiomental angle, chin projection, FACE-Q satisfaction score, and complications were assessed preoperatively and at 3, 6, and 12 months. Anthropometric variables were compared with the paired t test and FACE-Q scores with the Wilcoxon signed-rank test (STROBE-compliant). Results: The labiomental angle decreased from 149.41±2.20 degrees to 130.92±2.51 degrees at 6 months ( P