Tooth pain can be applied mouthwash, but the effect of applying mouthwash is very limited, except for wisdom teeth pericoronitis application mouthwash may have effect, the majority of the rest of the tooth pain application mouthwash are no direct pain relief effect, because itself mouthwash even if it contains antibiotics mouthwash, mainly is also to make the oral surface of the mucosa and tooth surface to get cleaned and cleaned, and for tooth pain, most of them are Due to the infection of bacteria inside the tooth or periodontal tissue has been identified, the infection has entered the tissue, and this time through the external application of mouthwash, it is impossible to achieve better results. The best way to treat these diseases, such as apical infection and pulpitis, is to go to a professional stomatologist for pulp drainage and root canal treatment, while for wisdom tooth pericoronitis, the best is to apply syringe pressure rinse around the blind pocket of the wisdom tooth, and mouthwash is not easy to rinse out all the things in the blind pocket, so the application of mouthwash for toothache is not symptomatic.