Dental Ceramics Slideshare

Esthetic dental ceramics.

Dental ceramics slideshare.

Dental ceramics based primarily on zirconia crystals when heated to a temperature between 1470 c and 2010 c undergo change in the crystal structure from tetragonal to a monoclinic phase at approx. The terms ceramic and porcelain are often used interchangeably but incorrectly. 2 department of dental materials vishnu dental college bhimavaram west godavari andhra pradesh india. Particle filled glasses glass ceramics3.

Ceramic refers to any material composed of the arrays of metallic oxygen bonds described previously. Excellence in clinical communication. Introduction definition of ceramic materials. 2 department of dental materials vishnu dental college bhimavaram west godavari andhra.

The word ceramic is derived from the greek word. Introduction ceramic is defined as product made from non metallic material by firing at a high temperature. 1 department of prosthodontics vishnu dental college bhimavaram west godavari andhra pradesh india. Srinivasa raju datla 1 rama krishna alla 2 venkata ramaraju alluri 1 jithendra babu p 1 anusha konakanchi 3.

Porcelain on the other hand is a type of ceramic that results when feldspar k 2 o al 2 o 3 sio 2 silica sio 2 and alumina al 2 o 3 are fired together with fluxes such as sodium carbonate na 2 co 3 or. While the former has been popularly applied as artificial dental roots for recovering the function of lost teeth the latter are increasingly used for regenerating bone tissue. Dental ceramics can be classified according to one or more of the following parameters. 1 department of prosthodontics vishnu dental college bhimavaram west godavari andhra pradesh india.

They achieve excellence in aesthetic functional and implant dentistry through their dedication to working as a team with the doctors. Glassy substructure dental ceramics. Classification of dental ceramics uses or indications a anterior and posterior crown b veneer c post and core d fixed dental prosthesis e ceramic stain f glaze a ultralow fusing 850o c b low fusing 850 1100o c c medium fusing 1101 1300o c d. 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.

Part i an overview of composition structure and properties. Bioactive ceramics are used as bulk porous bodies or surface active layers on dental implants and as morphogenetically active scaffolds inserted into the jawbone. 1150 c the toughening mechanism results from the controlled transformation of metastable tetragonal phase to the. Jithendra babu 1 rama krishna alla 2 venkata ramaraju alluri 1 srinivasa raju datla 1 anusha konakanchi 3.