The full process of filling a worm tooth is:Decaying, Disinfecting, Drying, Repairing and Adjusting. Worm tooth is a tooth bacteria erode the tooth tissue, resulting in the destruction of the tooth, if not timely repair will develop into pulpitis or extensive damage to the tooth and thus need to be extracted. 1. Decay: Remove the decayed tissue on the top of the tooth with a high-speed lathe needle. 2. Disinfection: After removing the decayed tissue, the cavity of the tooth is disinfected with alcohol cotton balls. 3. Drying: Blow dry the tooth with an air gun as well as insulate the moisture with a cotton ball. 4. Repair: Repair the tooth with filling materials, such as composite resin materials and glass ionomer materials. 5. Jaw adjustment: After repairing, you need to adjust the normal occlusal relationship of the jaw, and there should not be too high or too low. The insect tooth filling should go to the authoritative hospital for consultation and treatment.