A granulation on the inner wall of the tooth may be caused by gingivitis, oral ulcers and other factors, which can be treated by general treatment, medication, surgery and so on. 1. Gingivitis: Gums will be swollen due to inflammation stimulation. Normally, we should pay attention to clean the oral cavity, timely cleaning plaque, calculus, rinse the mouth in time after meals; inflammation is relatively heavy when you can use hydrogen peroxide local rinsing; gingival shape, gingival fibrous hyperplasia serious patients can perform gingivectomy and gingivoplasty. 2. Oral ulcers: light aphthous ulcers about 5 days ulcers began to heal, at this time the ulcer surface has granulation tissue formation. Usually pay attention to oral hygiene, prevention of secondary infection; can be localized use of lidocaine pain relief, the use of compound chlorhexidine gargle rinse anti-inflammatory, secondary infection can be used amoxicillin and other drugs for anti-infective treatment. There are many factors that lead to the growth of a granulation on the inner wall of the tooth, it is recommended to go to the hospital in a timely manner to identify the cause of the relevant treatment, and strictly comply with the doctor’s instructions for medication.