A small meatball growing on the root of the tooth may be caused by periapical granuloma, chronic proliferative pulpitis and other diseases, as follows.
1. Periapical granuloma: a clinical manifestation of chronic periapical inflammation, due to the long-term presence of infection and pathogenic irritants in the root canal, resulting in chronic inflammatory reaction of the tissues around the root apex, manifested in the formation of inflammatory granulation tissue.
2. Chronic proliferative pulpitis: belonging to the chronic pulpitis, because the affected tooth apical foramen is thick, rich in blood flow as well as perforation of the pulp hole is large, the inflammation of the pulp can be proliferated polyp-like, and since in the root of the root of the crown side of the pulp cavity at the protruding.
There may be other reasons for the growth of a small meatball on the root of the tooth, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease for targeted treatment.