Posted innews Plastic Surgery
Optimizing Botulinum Toxin Injections for Oral Commissure Elevation: Insights from a Rigorous Two-Stage Randomized Trial
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 satisfaction and minimal side effects.