Tooth decay that is caries, caries pain need to fill the tooth or do root canal treatment.
1. Filling: teeth by bacterial corrosion of dental hard tissue destruction, deep cavities, mainly manifested as hot, cold, acidic and sweet transient pain, no spontaneous pain, this situation requires the use of a drill to grind away the decayed material in the cavity, the distance from the pulp of the tooth is relatively close to the pulp is not injured, you can use calcium hydroxide cushion resin fillings to remove the pain.
2. Root canal treatment: In the event of caries with symptoms such as hot and cold pain, spontaneous pain, pain at night, or leakage of the pulp when the cavity is not clean from decayed material, root canal treatment under local anesthesia is needed to stop pain in both cases.
Caries pain requires prompt medical attention, examination and treatment under the guidance of a doctor to develop an appropriate treatment plan.