There are usually no toothworms in cavities, only bacteria, and it is the bacteria that cause caries, not the worms. Removing bacteria requires the doctor to use a dental drill to remove decayed, necrotic tissue from the cavity and then fill it. 1. There is no such thing as a dental worm in clinical practice. Caries treatment mainly involves removing decayed, necrotic tissue from the cavity with a dental drill. The decayed and necrotic tissue is made up of caries-causing bacteria and food debris, etc. Then, depending on the depth of the carious cavity, filling treatment is performed to restore the appearance of the crown. 2. To stop getting caries, you need to pay attention to oral hygiene in your daily life, mainly brushing your teeth well and eating less candy. If there are caries, it is recommended to go to the hospital in time, under the guidance of the doctor to give targeted treatment or treatment.