Loose teeth at the age of 50 are usually seen in a variety of dental diseases, and the remedies vary depending on the cause. Common dental diseases include acute apical periodontitis, chronic apical periodontitis, periodontal disease and so on. 1. Acute apical periodontitis: Acute apical periodontitis suggests that the patient directly drill the tooth, so that the secretion around the root tip oozes out and drains into the mouth. Then take anti-inflammatory drug treatment, such as cephalosporins, metronidazole, etc.. 2. Chronic apical periapical inflammation: For chronic apical periapical inflammation, it is recommended that patients undergo root canal treatment. Root canal treatment first, and then observe the condition, if the effect is not good, it is recommended that the patient extract the loose tooth, remove the periapical granulation, and then set the tooth. 3. Periodontal disease: patients with periodontal disease need to do periodontal treatment, scaling and scraping of the teeth, according to whether the tooth plane is flat, and then fixed. It is recommended that patients pay attention to oral hygiene in general, and the affected teeth can be extracted if the loosening is serious. Regardless of the cause of loose teeth, patients are advised to pay attention to oral hygiene, brushing after meals and before going to bed, and then seek medical treatment according to the different causes of the disease, and then regularly review and check the condition of the teeth. The above medications should be used in accordance with medical advice.