The complications of electrical burn to the oral cavity include microstomia and cosmetic deformity. Surgical burn excision and repair by primary closure, skin grafts, or tongue flaps have recognized disadvantages. The use of intraoral fixed or removable appliances, or the extraoral facemask prosthesis, serves to maintain adequate commissure spacing and allows normal skin and mucosal healing to occur. Secondary commissuroplasties may be required after prosthetic management of the burn.
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