Chinese medicine believes that toothache is caused by the rise of real and deficiency fires in the body. If caused by real fire, the pain is short and strong; if caused by deficiency fire, the pain is long and lingering, and the tooth is loose. 1.Deep caries Cold and hot stimulation, probe the bottom of the cavity sensitive, with spontaneous pain. 2.Dentin hypersensitivity Generally the patient is a little older, with severe jaw abrasion, cervical wedge-shaped defect or different degrees of gum atrophy. 3, acute and chronic pulpitis 4, dental trauma In the dental hospital, the most common disease is toothache, according to incomplete statistics, about 95% of people do not know much about the causes and coping methods of toothache, in order to let more people understand, we briefly talk about some symptoms of toothache today, hope to have some help to you!