There is no fastest treatment for salty teeth. Salty teeth may be due to caries, periapical periodontitis and other diseases, which can be treated with filling or root canal therapy. 1. Dental caries, clinical caries, due to the presence of more residual material in the cavity, bacterial growth may appear teeth with a salty taste symptoms, you can remove the cavity after filling treatment to avoid infection. 2. apical periodontitis, teeth with salty taste may also be the emergence of apical periodontitis, apical periodontitis produced due to the periapical tissue fluid exudation, may lead to the emergence of such a symptom, can be infected with the complete removal of the nerve, root canal treatment. Usually need to keep oral hygiene, avoid infection, but also need to regularly consult a doctor for examination and treatment.