If the tooth is still loosened after treatment, or if the tooth is loosened due to a large range of inflammation, it is recommended to extract it, while other cases can be treated with periodontal or root canal therapy first. 1. Treatment: loose teeth may be due to periodontal inflammation or dental inflammation caused by periodontal inflammation can be preceded by periodontal treatment to eliminate gum inflammation, generally 1 to 2 degrees of loose teeth can be retained (looseness less than two millimeters), dental diseases caused by the root canal treatment can be preceded by the elimination of inflammation looseness can be often restored. 2. Extraction: If the effect of root canal treatment or periodontal treatment is not good, the tooth is loose or the inflammation has spread widely, it is recommended that the tooth be extracted as soon as possible. Whether a loose tooth needs to be extracted or not, it is necessary to go to the hospital to check whether it meets the indications for extraction, and the professional doctor will make a judgment.