Clinically, in terms of endodontics fillings, the vast majority of fillings are white in color, with the exception of silver amalgam. Silver amalgam is an alloy of silver and mercury, fillings present the metallic color of silver, its advantage is strong pressure resistance, relatively strong physical properties, but it is not particularly beautiful, has been gradually eliminated by us. The vast majority of filling materials used nowadays are white, similar to the color of the tooth, and the common ones are resin, glass ionomer, including the temporary filling of zinc oxide and clove oil adhesive powder, which are all white fillings, and these are all very mature filling materials.