Loose teeth in the elderly are mostly caused by periodontal disease (alveolar bone resorption), most of which are treated with traditional treatment methods, and can also be treated by periodontal splinting at present. 1. Conventional treatment: periodontal scaling, internal scaling, flap scaling, bone grafting and fixation of teeth. Conventional periodontal treatment is long and costly, and periodontal surgery is required in some cases. However, in view of the advanced age of the patients and the presence of chronic diseases such as hypertension, diabetes mellitus and coronary artery disease in most of the patients, it is usually not recommended to remove the affected teeth in advanced age patients. 2. Periodontal splinting: This is currently a more ideal treatment method, the splint can protect the health of the periodontal tissues of the abutment teeth, so that the loosening of the teeth is controlled within the physiological range. The specific need to use which treatment method, but also need to consult a professional organization doctor, under the guidance of the doctor for the choice of treatment options.