- It is an unusual reaction of bone to a mild bacterial infection entering the bone through a carious tooth in persons who have a high degree of tissue resistance.
- Instead of destruction proliferation of bone takes place.
- The sclerosing bone is not attached to the tooth and remains after the extraction of the tooth.
- No surgical removal is needed.
- Cementoma (periapical cemento-osseous dysplasia) 3rd stage
- Idiopathic osteosclerosis (dense bone island)