Case No.1-A 36-year-old woman admitted to our department with bitten lower lip and chin by day in July. 1978. A keloid resection was performed 4 months after the episode.
Case No.2-A 29-year-old man got bitten on the left upper lip and the right lower lip. He was treated in local hospital and then referred to our department. A plastic operation was performed for the lower lip defected site after about 8 mouths, resulted in a satisfactory prognosis.