One, caries: caries occurs can also lead to toothache. Initial caries is generally asymptomatic, when the caries hole becomes large and deep, there will be a toothache when eating, eating sweets or too cold, too hot food when the pain is aggravated. At this time, warm water can be used to brush the teeth, but the effective treatment should be to fill the cavity.
Two, pulpitis: mostly due to deep caries not fill the pulp infection, or chemical drugs or temperature stimulation caused. Its pain is spontaneous, paroxysmal pain, cold, hot stimulation pain and knocking pain. The method of radical treatment is to grind open the pulp cavity with anvil under local anesthesia for endodontic treatment.
Three, apical periapical inflammation: most of the pulpitis spread to the root canal mouth, resulting in inflammation of the tissues around the root tip. Manifested as persistent toothache. The affected teeth have a sense of elongation, touch, pressure pain is obvious, can not bite food. At this time, you can take anti-inflammatory painkillers, to be anti-inflammatory and then root canal treatment.
Four, dental trauma: such as accidental falls, bruises, or bite into the sand when eating, etc. to the tooth fracture or cracked teeth, causing toothache. You can take anti-inflammatory and painkillers first.
Fifth, wisdom teeth pericoronitis: wisdom teeth eruption difficulties (obstruction), coupled with poor oral hygiene, causing inflammation of the tissues around the crown, swelling and pain.
It is recommended that you go to the hospital to check what causes toothache, in the symptomatic treatment, get well soon.