Penetrating pressure ulcer of the lower lip caused by a tooth

Letter to the editor, Pressure ulcers are initiated by pressure that blocks blood circulation, leading to necrosis and ulceration of the mucosa and underlying tissues. 1 Uninterrupted pressure for as little as two hours can cause irreversible changes leading to ulceration. 1 Pressure ulcers are often developed over bone prominence and because of pressure combined with shear. [1][2]2][3][4] If proper care is not given or etiology is not removed the ulcer continues to grow in diameter and will be difficult to heal. 1 Pressure ulcers in the oral mucosa can result in frequent pain and discomfort when the patient speak or eat resulting in a reduced quality of life. 1 , 5 We present a case with a persisting and penetrating ulcer of the lower lip caused by pressure from a tooth in an elder patient with dementia.Pressure ulcers in the oral mucosa are a rare occurrence and especially with involvement of the lip.In these cases, it's almost always related to endotracheal