Ideal Properties Of Dental Ceramics

Tanja lube robert danzer in advanced ceramics for dentistry 2014.

Ideal properties of dental ceramics. 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. Ceramics are more resistant to corrosion than plastics. The wear between ceramic dental restorations and the adjacent tooth enamel generates another type of defect on the surface of restorations that can be well characterized by sem. Dental restorative materials are used to replace tooth structure loss usually due to dental caries dental cavities but also tooth wear and dental trauma on other occasions such materials may be used for cosmetic purposes to alter the appearance of an individual s teeth.

Two physical properties in particular are used to assess the clinical performance of today s dental ceramics. Ceramics do not react readily with most liquids gases alkalis and weak acids. Their properties vary over a wide range. The properties of ceramics are customized for dental applications by precisely controlling the types and amounts of the components used in their production.

Part i an overview of composition structure and properties. 1 for the purposes of this article the term ceramic is used to include all metal free restorations generally all ceramic restorations have been confined to the anterior region until. 2 department of dental materials vishnu dental college bhimavaram west godavari andhra. Dental porcelain also known as dental ceramic is a dental material used by dental technicians to create biocompatible lifelike dental restorations such as crowns bridges and veneers evidence suggests they are an effective material as they are biocompatible aesthetic insoluble and have a hardness of 7 on the mohs scale.

They also remain stable over long time periods. Introduction ceramic is defined as product made from non metallic material by firing at a high temperature. Dental ceramics can be classified in a number of different ways including by their composition processing method fusing temperature microstructure translucency fracture resistance and abrasiveness. 1 department of prosthodontics vishnu dental college bhimavaram west godavari andhra pradesh india.

Wear is mainly determined by the friction properties and the micro topography of the restoration porcelain. Jithendra babu 1 rama krishna alla 2 venkata ramaraju alluri 1 srinivasa raju datla 1 anusha konakanchi 3. For certain dental prostheses such as three unit molars porcelain.