Teeth have been lost and loose, refers to the loosening of permanent teeth, it is recommended to eat softer food recently, and then go to the stomatology department to do the relevant examination to see whether it is caused by periodontitis. Periodontitis is generally plaque, tartar, food congestion and other causes of inflammation of periodontal tissues, inflammation can destroy the periodontal support tissue cells, especially alveolar bone resorption aggravated when the power to support the teeth weakened, there will be loose teeth. At this time, the feeling of biting weakness, pain, etc., need to be directed at the local irritating factors for treatment, supragingival and subgingival scaling, eliminating food blockage, etc.. For loose teeth with no obvious cause, temporary periodontal splints can be used to fix the loose teeth. So loose teeth, it is recommended to go to the dentist in time to do the relevant examination and treatment.