Patients with a salty taste from the root of the tooth may have a tooth with apical periodontitis, or periodontitis, or chronic inflammation of the parotid gland. Specific treatment is as follows: 1, apical periodontitis: the treatment of apical periodontitis is to do root canal therapy, often seen in the clinical surface of the tooth has a relatively deep and large caries cavity, the tooth has pain, in the treatment of the need to use the method of root canal therapy, the infected pulp nerve is completely cleaned out, and then use hot dental glue vertical pressure, filling method, tightly fill the root canal system of the tooth. After the root canal treatment, the infected pulp nerve in the pulp cavity is completely removed, and the inflammatory substances in the periapical area will be gradually metabolized and absorbed by the body.2. Periodontitis: The roots of the teeth have a salty taste, and if more than one tooth in the mouth has different degrees of lesions, it suggests that you may have suffered from periodontitis, and it is usually the case that when you have moderate and severe periodontitis, you will have the above symptoms. The first step in treatment is to use ultrasonic scaling to remove the tartar and bacteria from around the teeth. For patients with relatively severe periodontitis, periodontal scaling and root planing are also recommended.