Tooth splitting half loose need timely medical examination, according to the severity of the loosening of the symptomatic treatment, you can carry out root canal treatment or extraction treatment. 1. Root canal treatment, if the tooth damage is not serious, the root of the tooth is not affected, you can generally choose to carry out root canal treatment, but also need to carry out crown restoration, so as to maintain the stability of the tooth, and effectively alleviate the symptoms of the tooth splitting. 2. Extraction treatment, if the tooth damage is more serious, has been damaged to the root of the tooth, at this time the root canal treatment can not achieve better results, may need to extract the tooth in time, so as not to cause mucosal damage or other discomfort. Normally, you need to observe the tooth more often, and it is best not to let the tooth be hit by external forces again.