What causes teeth to bleed?

Bleeding teeth clinically are mostly bleeding gums, bleeding gums are mainly caused by periodontal disease, coagulation dysfunction and so on.
1. Periodontal disease: periodontal disease mainly includes gingivitis and periodontitis, both of which are manifested as gum inflammation, i.e., the gums are red, swollen, rounded, and dark red in color, and the capillaries of the gums are dilated, which makes it easy to bleed when touching the gums, including brushing teeth and biting hard objects.
2. Coagulation disorders: Hepatitis, blood disorders and other diseases can lead to coagulation disorders, making the gums bleed easily.
Bleeding teeth may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.