Sore and loose teeth may be the emergence of dental shock or chronic periodontitis, depending on the situation need to be adjusted and fixed observation or periodontal treatment. 1. Dental concussion. Tooth soreness and looseness, may be the teeth by external impact caused by periodontal membrane damage, teeth appear different degrees of looseness, need to be adjusted to fix the observation, but also need to take a picture to check whether the teeth have hidden cracks, hidden cracks to reach the dentin layer can also cause tooth soreness, general preparation of cavities and then resin filling of hidden cracks. 2. Chronic periodontitis. Oral chronic periodontitis, periodontal attachment loss, can cause tooth root exposure loose teeth, can cause dentin sensitivity symptoms, general periodontal treatment after local use of strontium chloride and other drugs for desensitization treatment. Teeth soreness and looseness is recommended to go to the hospital in time to check the cause of the targeted treatment, so as not to aggravate the pain symptoms.