Deep caries filling is about 100-500 dollars a piece. 1. Deep caries generally refers to deeper tooth decay, closer to the internal nerve of the pulp, caries can be developed to the dentin, deep destruction of a wide range of clinical symptoms such as irritating pain, food mosaic pain, no spontaneous pain, and more fillings are used to carry out treatment. 2. Deep caries fillings are generally 100-500 yuan a, but due to the consumption of each region, go to the hospital, the material is different, then the price will be different, if the use of glass ionomer material, then only about 100 yuan, if the use of resin materials, then the cost is higher, generally between 200-500 yuan. It is recommended to go to a regular hospital for consultation, the doctor will give the appropriate treatment plan according to the clinical symptoms, and actively cooperate with the doctor’s treatment.