The cost of a simple filling for a worm tooth is usually around 200-400 dollars; if an inlay is needed, the cost is usually a few thousand dollars, depending on the doctor’s examination. 1. Dental caries, also known as tooth decay, is a disease that leads to progressive destruction of the hard tissues of the dentition under the action of multiple factors such as bacterial infection. 2. Substantial loss of dental tissues caused by dental caries cannot be repaired on its own, and fillings are needed to restore the original shape and function of the teeth. 3. At present, composite resin and glass ionomer are the main materials used for filling insect teeth, and the cost of filling the teeth with the above materials is generally around 200-400 RMB, which may vary in different areas and medical institutions, and the specific medical examination shall prevail. In addition, it should be noted that if the defect of the worm tooth is large, it may need inlay repair, etc., at this time the cost will also increase, usually in a few thousand dollars.