At present, the price of clinical fillings should be determined by the filling material, and the commonly used clinical filling materials are mainly glass ion and composite resin. Glass ion filling a tooth needs 100-200 yuan. Glass ions and dentin is chemical bonding properties, no physical inlay, the color is white and teeth do not match, glass ions have no irritation to the pulp, and can continue to release fluoride ions, so it is suitable for children’s posterior teeth caries filling. Composite resin is not only bonded with adhesive, but also physically embedded. There are many brands of composite resin, and different resin fillings also cause a lot of differences in price. Ordinary resin fillings cost$300-400. If a composite resin with nanoparticles or zirconium dioxide particles is added, the filling will cost around$800-900. If the cavity is large, a layer of calcium hydroxide is usually needed at the bottom of the cavity to protect the pulp, and there is an additional$50-60 added to the cost.