Case Study on Necrosis of the Skin of the Chin

Background

In this case a 10 year old girl received inferior alveolar nerve block injection for dental purposes. That resulted in Post anesthetic ischemic necrosis of the skin on the right side of lower lip and chin that was provoked by a spasm of the terminal branches of the inferior alveolar artery. This happened in this case because of injection of vasoconstrictor can give rise to ischemia or necrosis. After 24 hours of the injection the injection the affected area reddened and produced an itching sensation. The sensitivity of the lower lip and ...