Dental Ceramics

Spring-retained maxillary and mandibular dentures of U.S. President George Washington, – made from hippopotamus ivory by dentist

• John Westwood

• John Greenwood

• John miller

• I dont know

Thermal properties of ceramics are similar to those of

• metal

• steel

• enamel and dentin

• wood

Basically porcelain is a type of glass - three dimensional network of silica like

• silica trihedral

• silica tetrahedral

• silica monohedral

• silica dihedral

Process to fuse the particles of porcelain powder producing hard mass

• Firing

• glazing

• milling

• polishing

Process to obtain a smooth surface that simulates a natural tooth surface

• firing

• glazing

• sintering

• milling

Slip-Cast All-Ceramic Materials - Introduced in dentistry in the

• 1970s

• 1980s

• 1990s

• 1960s

which is not a cohesive failure of METAL-CERAMIC BONDING

• Porcelain-porcelain

• metal-metal

• oxide-oxide

• metal-porcelain

which porcelain mask the color of the cement used for adhesion of the restoration

• Opaque porcelain

• body porcelain

• dentin porcelain

• Enamel porcelain

Alumina-Based Ceramic developed by

• McLean in 1965

• John Greenwood in 1965

• Morgan in 1945

• Miller in 1980

The plastic mass of powder and water is applied to the metal coping is called

• condensation

• copy milling

• pressing

• loading