Whether a loose tooth can be retained without falling off depends on the periodontal condition of the tooth, the third degree of looseness or longitudinal fracture of the root of the tooth is recommended to be extracted, while other cases of loose teeth can be treated first for observation. 1. The case can be retained: loose teeth may be trauma, periodontitis or dental disease, trauma caused by loose teeth, can be adjusted first fixed observation. Periodontitis caused by periodontitis can be carried out first periodontal treatment to eliminate periodontal inflammation, the second degree (loosening amplitude between one and two millimeters), the third degree of loosening of the teeth for loose teeth fixation, dental disease caused by the consideration of root canal treatment. 2. Recommended for extraction: If there is a longitudinal fracture of the tooth root, the tooth can not be retained need to be extracted, for other cases of tooth loosening, after a series of periodontal treatment, the degree of looseness can not be slowed down to reach the third degree of looseness (looseness amplitude greater than two millimeters) is also recommended to be extracted as soon as possible. If you want to keep your teeth, we recommend that you consult a doctor in time to check the condition of your teeth and take active treatment.