Smile confidently with botox gummy smile treatment at Dr. Hiba Injibar’s clinic. Gummy Smile is a phenomenon that when some people smile, their upper lip elevates too far above their upper teeth, exposing gums and producing an unattractive smile. Fortunately, gummy smile can be simply and effectively correct by Botulinum toxin, well known as botox. This injection reduces the activity of the muscles to elevate the upper lip.