What should I do if I bite something hard and get a sharp pain?

Teeth biting a hard object comes a burst of hidden pain, there may be physiological phenomena, hidden cracks, caries, periapical periodontitis and other diseases, you can through the general treatment, crown restoration, fillings, root canal treatment and other measures.
1. Physiological phenomenon: teeth bite into too hard food, may cause local extrusion caused by neuralgia, generally pay attention to oral hygiene, rinse the mouth with saline, avoid eating too hard food, after a period of time will be gradually recovered on their own, do not need special treatment.
2. Hidden tooth crack: the more superficial hidden tooth crack, you can grind away the crack to do prophylactic filling; deeper crack, you can adjust the cusp beveling, for complete removal of the tooth to withstand the force of the crack, and then wear a crown for restoration.
3. Dental caries: food debris and softened dentin in the cavity should be removed in time, and then disinfected and filled with suitable materials.
4. Periapical periodontitis: in the acute stage, you can choose penicillin, metronidazole and other drugs for anti-infection treatment, and locally take the open pulp cavity drainage; the formation of subperiosteal abscess can be incised and drained; the inflammation is relieved after the root canal treatment.
It is recommended to go to the hospital for examination first, and take appropriate treatment measures under the guidance of the doctor.