Toothworm generally refers to the occurrence of tooth decay, also known as dental caries. The treatment method of tooth decay is mainly to remove the necrotic tooth tissue, pulp capping and polishing, as follows: 1.Remove the necrotic tooth tissue: Go to the hospital and let the doctor use the dental turbine to remove the decayed and necrotic tooth tissue. 2.Pulp capping: If there is pulp symptom, you need to pulp capping or pulp treatment first, then clean and disinfect the cavity, and then use the special dental material to fill the cavity to restore the unique anatomical shape of the tooth. 3.Polishing: Finally, we need to polish the teeth with polishing wheel or polishing car to make the teeth reach a certain degree of beauty. Dental caries generally refers to the progressive destruction of the hard tissues of the teeth due to the influence of bacteria, diet and the environment in the mouth.