Dental Ceramic Slideshare

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.

Dental ceramic slideshare. The types of ceramics used to make them are typically no more abrasive than dental enamel itself gold crowns have this advantage too in comparison the type of porcelain used to make pfm crowns can be very abrasive to opposing teeth and dental restorations and cause significant wear of. 1 department of dental materials and prosthodontics são paulo state university unesp institute of science and technology 777 eng. Their properties vary over a wide range. 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.

Dental ceramics are usually referred to as nonmetallic inorganic structures primarily containing compounds of oxygen with one or more metallic or semi metallic elements like aluminum calcium lithium magnesium phosphorus potassium silicon sodium zirconium titanium 1 11. Dental ceramics can be classified according to one or more of the following parameters. 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. Ramos nde c 1 campos tm 2 paz is 1 machado jp 3 bottino ma 1 cesar pf 4 melo rm 5.

Microstructure characterization and scg of newly engineered dental ceramics. 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. Ceramic refers to any material composed of the arrays of metallic oxygen bonds described previously.

Advanced ceramics is a state of the art dental laboratory situated in central christchurch new zealand. The terms ceramic and porcelain are often used interchangeably but incorrectly. Francisco josé longo avenue 12245 000 são josé dos campos sp. We have been consistently delivering high quality crown and bridge restorations to our local and international clients for over 35 years.

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 high fusing 1300o c firing temperature.