A toothache on fire refers to pain caused by inflammation of the gums or teeth. You can take anti-inflammatory drugs (such as amoxicillin, metronidazole) to temporarily relieve the symptoms, but the complete treatment of toothache also need to consult a doctor in time to treat the symptoms.
If oral hygiene is not good, a large number of bacteria multiply in the mouth, the toxins produced will be caused by the inflammation of the gums and periodontal tissues swollen and painful, you can first local use of compound chlorhexidine gargle gargle. Or oral anti-inflammatory drugs, generally amoxicillin capsules and metronidazole (specific dosage due to the different specifications of the drug, you can refer to the instructions for use of the drug), can achieve a certain anti-inflammatory effect.
But the complete eradication of inflammation, must be aimed at causing periodontal disease stimulating factors (such as tartar, calculus) for periodontal scaling in order to avoid recurring inflammation and pain in the gums.
Caries-induced toothache, because the bacteria in caries infects the nerve of the tooth causing it to become inflamed and painful (i.e., pulpitis), can also be controlled by taking the above medications orally for a temporary period of time. However, the toothache can only be completely cured if the inflamed nerve is cleaned out with a nerve-killing treatment (root canal).