Classification and Properties of Dental Metal Materials
Classification and Properties of Dental Metal Materials 1.Introduction A type of biometallic material used to repair tooth defects , dentition loss, and orthodontics. There are several classification methods for dental metal materials. According to metal classification, it can be divided into: precious metal materials and non-precious metal materials; classified according to process and use: casting materials, forging materials, metal and ceramic sintered composite materials, filling materials and brazing materials; according to the melting point classification can be divided into: High melting point metal material, medium melting point metal material and low melting point metal material. Dental metal materials are placed in the mouth for a long time, chewing, touching human tissues and body fluids, and various acidic and alkaline foods. Therefore, the material must be non-toxic and harmless, have corrosion resistance and anti-tarnishing properties, have certain strength and wear ...