newsOral commissureBotulinum toxin type A
Optimizing Botulinum Toxin Injections for Oral Commissure Elevation: Insights from a Rigorous Two-Stage Randomized Trial
By MedXY|Aug 12, 2026
A prospective, double-blind study demonstrates that lower depressor anguli oris (DAO) injections of botulinum toxin type A, especially combined with platysma (PLT) injections, effectively elevate oral commissures with high patient satisfact