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) …