[Comparative efficacy of Botox and surgical lip repositioning in the correction of gummy smile].

Background: A smile plays an important role in determining a person's initial impression.

Objective: This study aims to evaluate the effectiveness of both injection botulinum toxin type A (botox) and surgical lip repositioning in the correction of the gummy smile due to hyperactive upper lip according to the resulting smile and the patients' satisfaction.

Material And Methods: The study consisted of 24 patients: 12 received the BTX-A (botulinum toxin type-A) injection and the remaining 12 underwent the surgical procedure (lip repositioning).