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A 13 Year old female came for a consultation with chief complaints of protrusive lips and a gummy smile. The clinical examination showed a convex profile, a retrognathic mandible, excessively proclined and extruded maxillary incisors, and skeletal class II malocclusion with bimaxillary dento alveolar protrusion. Treatment was started using conventional mechanics for intrusion and retraction of upper anterior teeth, thereby improving soft tissue profile and correction of gummy smile. But only orthodontic treatment was not enough for correction of excessive gingival display during smile secondary to hyperactive upper labial muscle activity. Thus injection of Botulinum toxin type-A was given to correct gummy smile as an adjunctive treatment. Excellent correction of gummy smile following 2 weeks of Botox injection was achieved without any side effects. The patient received a satisfactory occlusion and an attractive smile.

Adjunctive Treatment of Gummy Smile Using Botulinum Toxin Type-A (Case Report)