Sudden blackening of teeth and cancer

Dental caries, pulp necrosis can lead to sudden blackening of teeth, not cancer. Need to go to the stomatology department to take X-ray or panoramic photos, check the vitality of the tooth pulp, find the cause of the corresponding treatment. Dental caries to be filled; pulp necrosis requires pulp drainage to remove necrotic pulp, prepare root canals, rinse disinfection, and finally do root canal filling. Usually pay attention to maintain oral hygiene, do not eat sweets, pay attention to brushing teeth, using pasteurized brushing method, gargle after meals, teeth can be cleaned with dental floss. The above health science knowledge is for reference only, the specific situation needs to be checked in a regular hospital, judged by a professional doctor.