Throughout the medical field, a biopsy is simply the removal of a tissue sample to determine if it is diseased. In In dentistry, teeth and gums are sent for biopsy to rule out possible abnormalities. The role of a biopsy in the dental industry is to diagnose oral cancer and some auto-immune disorders.

If you have unexplained lesions in your mouth, they need to be examined by a dentist. They may or may not be cancerous, but they need medical attention nonetheless.