Types Of Dental Ceramics Ppt

Introduction ceramic is defined as product made from non metallic material by firing at a high temperature.

Types of dental ceramics ppt. Its color translucency and vitality cannot be matched by any material. The terms ceramic and porcelain are often used interchangeably but incorrectly. An understanding of dental ceramic classifications enables the clinician to. Pressed or machined glass ceramics category 3.

Although many advances have been made in composites and glass ionomers ceramic material holds a special place in dentistry. High strength crystalline ceramics category 4. Over the last decade it has been observed that there is an increasing interest in the ceramic materials in dentistry. Nithin mathew selection of ceramic materials four broad categories or types of ceramic systems.

Ceramic is derived from the greek word keramikos earthen. During the past two decades numerous types of ceramics have been developed with various processing methods have been introduced. These material are used to form inlays onlays veneers crowns and more complex. The purpose of surface treatment conditioning methods on dental ceramics is to improve the retention and bonding between the enamel or the dentin and ceramic veneer with the help of resin.

Ceramic refers to any material composed of the arrays of metallic oxygen bonds described previously. Rationale for material selection. Metal ceramics 151 ceramics. Esthetically these materials are preferred alternatives to the traditional materials in order to meet the patients demands for improved esthetics.

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. Generally practitioners know that there are two types of porcelain can be ordered from dental laboratories. 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. Ceramic is derived from sanskrit word meaning burnt earth.

Dental ceramics is one of the fastest developing areas of dental material research and development. Waseem bahjat mushtaha specialized in prosthodontics imagine a restorative material that can accurately duplicate tooth structure such that an. Dental ceramics are usually composed of nonmetallic inorganic structures primarily containing compounds of oxygen with one or.