Properties Of Dental Ceramics

In the following module we will focus on brittle fracture of ceramic materials.

Properties of dental ceramics. For certain dental prostheses such as three unit molars porcelain. 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. Two physical properties in particular are used to assess the clinical performance of today s dental ceramics. 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.

2 department of dental materials vishnu dental college bhimavaram west godavari andhra. 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. Jithendr a babu 1 rama krishna alla 2 venkata ramaraju alluri 1 srinivas a raju datla 1. Dental porcelain mainly differs from traditional ceramics in terms of firing techniques which make it more suitable for dental restoration.

The word ceramic is derived from the greek word. 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. Their properties vary over a wide range. 1 department of prosthodontics vishnu dental college bhimavaram west godavari andhra pradesh india.

College of dental medicine ft. Ceramics is a material that is opaque and porous thus relatively weak. Jithendra babu 1 rama krishna alla 2 venkata ramaraju alluri 1 srinivasa raju datla 1 anusha konakanchi 3. Dental porcelain has very stable chemical properties and outstanding esthetics which are unlikely to be influenced by time.

Part i an overview of composition structure and properties. Part i an overvi ew of com positi on structure and properties p.