Properties Of Dental Ceramics

Jithendr a babu 1 rama krishna alla 2 venkata ramaraju alluri 1 srinivas a raju datla 1.

Properties of dental ceramics.

Two physical properties in particular are used to assess the clinical performance of today s dental ceramics. 2 department of dental materials vishnu dental college bhimavaram west godavari andhra. Their properties vary over a wide range. 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.

Part i an overview of composition structure and properties. Introduction definition of ceramic materials. Keramikos burnt stuff ceramic materials are inorganic compounds formed of metallic or semi metallic nonmetallic elements which are subjected to high heat treatment firing for a time period to achieve desirable properties. 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.

Lauderdale fl 33328 2018 jeffthom nova edu we will approach all of the major categories of ceramic properties in this module physical chemical and mechanical with key examples for each one. For certain dental prostheses such as three unit molars porcelain. Ceramics is a material that is opaque and porous thus relatively weak. Part i an overvi ew of com positi on structure and properties p.

In the following module we will focus on brittle fracture of ceramic materials. The concern that a ceramic will fracture in service remains a problem for ceramic alloy and all ceramic restorations alike although the newest crystalline ceramics see figure 14 3 are beginning to challenge this notion. The word ceramic is derived from the greek word. College of dental medicine ft.

Dental porcelain mainly differs from traditional ceramics in terms of firing techniques which make it more suitable for dental restoration. 1 department of prosthodontics vishnu dental college bhimavaram west godavari andhra pradesh india.