Advanced Prosth

Question 1

▸Nonmetallic, inorganic structures
primarily containing compound of
oxygen with one or more metallic
or semi-metallic elements like
a l u m i n u m , c a l c i u m , l i t h i u m ,
magnesium, silicon, and zirconium.

Answer 1

Ceramics

Question 2

Refers to a family of ceramic
materials composed essentially of
kaolin, quartz, and feldspar.

Answer 2

Porcelain

Question 3

T/F: ALL PORCELAIN ARE CERAMICS BUT NOT ALL CERAMICS ARE PORCELAIN

Answer 3

True

Question 4

▸Glass based ceramic
▸Key ingredients: - Feldspar (glassy matrix), - Li-Disilicate (crystal filler) ~70%/vol
▸How it’s made: - Pressed, - Milled (CAD/CAM)
▸Strength: ~400 MPa

Answer 4

Lithium Disilicate

Question 5

▸How it’s made: - Milled (CAD/CAM)
▸Strength: 800- 1500 MPa
▸Used to block out coping: RCT/ Cores/ Staining
▸As a framework/ porcelain veneering
▸Low translucency and less esthetics
▸Bonding?

Answer 5

Zirconia