There are actually two types of fillings commonly known as dental fillings, one is where a small portion of the tooth is missing but there is still most of the tooth tissue, this can be a simple filling. Simple filling is to fill the artificial tooth filling material in the missing part of the tooth, usually there are water-mentalized and light-cured filling materials, the cost is about 100-300 yuan. Water cement is divided into domestic and imported, the imported ones are usually 3M and Songfeng filling materials from Japan, and most of the domestic ones are glass ionomer water cement. If you use light-cured restoration to fill the missing part of the tooth, usually for the two types of Karisma and 3M fluid resin, about the cost of about 200-400 yuan, this is the price of the third and fourth-tier cities, may be a first-tier and second-tier cities prices will be higher. There is another kind of filling is that the nerve of the tooth has been necrotic and needs pulp removal and root canal treatment, the approximate cost is about$200 per root, if it is a single rooted tooth, together with the cost of the filling is more than$300. If it is a multi-rooted tooth, then the number of roots needs to be multiplied by$200 plus the cost of the crown filling, such as the molar tooth afterward, usually 3-4 roots about the cost of treatment is between$600-800.