Components Of Dental Ceramic

The most common ceramics used in dentistry are alloys of 3 main metallic oxides sio2 al2o3 k2o.

Components of dental ceramic. The term dental ceramics comprises a wide variety of materials that reaches from filled glasses to nearly dense sintered ceramics from products that are shaped from powders and melts to components milled from blanks before or after sintering. It also acts as a flux lowering the melting temperature of the material. Ceramics or porcelains are chemically intimate mixtures of metallic and non metallic elements that allow ionic k2o and or covalent bonding sio2 to occur. Leucite is created in dental porcelain by increasing the k 2 o potassium oxide content of the alumino silicate glass.

Composition of dental ceramics and dental porcelain. Lithium disilicate crystals are created by adding li 2 o lithium oxide to the alumino silicate glass. Feldspathic ceramics are the oldest of the dental ceramics and are very esthetic but relatively weak. Types and uses of ceramics in dentistry today.

As example the composition of dental feldspathic porcelain is as follows. Ceramic used in dental application differs in composition from conventional ceramic to achieve optimum aesthetic components such as translucency. Feldspathic ceramics are still common in dental restorations today.