Depending on the filling material, the price of filling cavity is also slightly different. The basic material, the lowest grade is glass ion filling, glass ion is also divided into domestic and imported, domestic price is relatively low, usually about 80 yuan, imported 3M glass ion filling, the price is in about 150 yuan. After that are resin-based filling materials, the lowest end of the resin category is the domestic resin, the price is about 200 yuan. The next imported Kuraray resin made in Japan costs about 350 yuan; the better one is the American Cole resin, which costs about 450 yuan; the best one is the Italian plastic resin filling, which costs about 900 yuan.