Efficacy of Botulinum Toxin in Treating Asian Indian Patients with Masseter Hypertrophy: A 4-Year Follow-Up Study

Background: Asian Indians usually have wide lower faces because of masseter hypertrophy. The authors evaluated the efficacy of botulinum toxin type A in long-term management of bilateral masseter hypertrophy in Asian Indian patients. Methods: Fifty patients were enrolled in the study and injected with 30 U of botulinum toxin type A to each side of the face, at baseline. Based on masseter muscle thickness and response to the injections, 25 patients underwent a second injection session at week 12, and the other 25 patients underwent additional third sessions, at week 24 after the first injection, respectively. Standardized photography and ultrasonography were performed to assess facial contour and masseter muscle thickness at baseline and at 1-, 2-, 3-, and 4-year follow-ups. A p value
Source: Plastic and Reconstructive Surgery - Category: Cosmetic Surgery Tags: Cosmetic: Original Articles Source Type: research