Fig. 8From: Application of botulinum toxin in maxillofacial field: Part II. Wrinkle, intraoral ulcer, and cranio-maxillofacial painA case with oral ulcerative lesion injected with botulinum toxin. a Clinical intraoral photograph at first visit. b Botulinum toxin injected 0.5 unit. c 2 weeks after injection. d 3 weeks after injectionBack to article page