With the arrival of winter, also began to frequent cold air activities, some people will be a toothache. Why is it . This is because the temperature will suddenly drop a number of people suffering from dental pain obvious, sometimes open mouth suction the mouth Liangqi dental pain can be a half-day. Toothache may be many oral diseases caused, such as dental caries, acute pulpitis, periodontitis, acute and chronic inflammation periapical, dentin hypersensitivity, teeth cracked or discount, such as root. Pulpitis caused by acute toothache, for the performance of dental spontaneous, paroxysmal pain, stimulate or have hot and cold at night-time pain intensified, Qudong a deep, deep caused by periodontal pocket, patients generally can not be clearly pointed out that with Teeth site, after the removal of incentives for sustainable toothache still longer period of time, a pulp after surgery to ease the pain; periodontitis caused toothache, for the continued performance of Duntong, with inflamed gums, bleeding overflow septic And even teeth loose, the gums shrink; periapical acute and chronic inflammation caused by toothache, for the continued performance of Tiaotong, teeth are elongation float flu or flu, can not chew food. The cold winter weather, especially in windy weather cooling down, people a mouth, there is cold wind to his mouth irrigation, caused toothache. Therefore, it is the oral disease patients, certain to go to regular oral health care unit for treatment, the only cure of these diseases can reduce pain; Otherwise, oral diseases caused by toothache on the physical health and mental stimulation are great.