Sudden toothache may be caused by dental caries, gingivitis, pulpitis and other reasons.
1. Dental caries: If dental caries is more serious, the cavity has been close to the pulp, will make the tooth sensitivity, when eating is likely to lead to food in the cavity embedded in the pulp, the pulp caused by compression, may cause sudden toothache.
2. Gingivitis: due to the presence of inflammation and infection of the gum tissue, under the stimulation of inflammation, it may lead to sudden toothache, which may also be accompanied by edema of the gums, bleeding gums and other manifestations.
3. Pulpitis: due to the existence of inflammatory reaction of the pulp tissue, stimulated by inflammatory products, easily lead to the pulp area of the nerve sensitivity, may cause sudden toothache, especially in the hot and cold stimulation, the pain symptoms are particularly obvious.
Sudden toothache should be treated as soon as possible to clarify the cause and then give targeted treatment.