Oral lichen planus can be determined to be malignant by a pathologic biopsy. Lichen planus is usually asymptomatic, but if it becomes suddenly larger or more painful, malignancy may occur.
If there are ulcers in the oral cavity that do not heal for a long time and are accompanied by pain; strawberry-like or cauliflower-like hyperplasia on the lateral margins of the tongue, the hard and soft palate complexes, the corners of the mouth and the back of the molar pads, then malignant transformation is considered possible, and the diagnosis can be confirmed by removing some of the tissues under local anesthesia and performing a biopsy as soon as possible.
In order to avoid malignant changes in oral lichen planus, active treatment of lichen planus, usually eat a light diet, do not eat spicy and stimulating and overheated food, avoid alcohol and tobacco, remove the thin-walled weak tip of the teeth, and keep in a good mood.
Flat moss appeared pain or ulcers for a long time, timely to the hospital, listen to the doctor’s advice active treatment, so as not to delay the condition.