A 58-year-old male presented to a dental office for a routine checkup. Examination revealed a nonhealing ulceration of the lower lip. Patient History The investigation into patient history revealed that: The ulcer had been present for at least six months, or longer. No pain or discomfort was noted by the patient. The patient spends many hours outdoors and does not use sunblock. No history of smoking and alcohol use. No history of trauma to the area.

Regular and routine dental care. At the time of the dental appointment, the patient was not taking medications of any kind. No significant problems were noted during the health history. Physical Examinations Physical examination of the head and neck region revealed no abnormal findings. The patient`s vital signs were all found to be within normal limits. No palpable lymph nodes were detected. No other abnormal extraoral findings were noted.…