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DENT MAT ( THIRD YEAR ) > USES OF DENTAL PRORCELAIN > Flashcards

USES OF DENTAL PRORCELAIN Flashcards

1
Q

4 fabrications of PFM restoration

A

Casting of metal structure or coping
Bonding of porcelain
Degassing
Sintering

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2
Q

Thickness of porcelain in casting of metal structure

A

Less than 0.5mm thick

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3
Q

Removes impurities of alloy

A

Degassing

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4
Q

Forms oxide layer

A

Degassing

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5
Q

Firing of porcelain paste on metal by heating porcelain on oven

A

Sintering

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6
Q

4 layering of porcelain

A

Opaque
Gingival
Glaze
Characterization

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7
Q

Hides metallic color

A

Opaque

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8
Q

Mimics dentin of tooth

A

Gingival

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9
Q

Final porcelain layer; provides polished surface

A

Glaze

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10
Q

Add surface stains or cracks

A

Characterization

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11
Q 
IT IS AN:
Aluminous or Magnesia based porcelain 
Glass-infiltrated aluminous porcelain
Castable Porcelain and
Press Porcelain
A

Core porcelain

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12
Q

Term for crystallized after casting in oven

A

Ceramming

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13
Q

Used To attain a specific shade

A

Glaze material

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14
Q

Layer of material placed over a tooth

A

Veneers

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15
Q

2 types of material used to fabricate veneer

A

Composite and dental porcelain

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16
Q

is usually an indirect restoration consisting of a solid substance fitted to a cavity in a tooth and cemented into place.

A

Inlay

17
Q

Replacement for a tooth cusp

A

Onlay

18
Q

Cover all surfaces

A

Crowns

19
Q

Transmits more occlusal force to residual bone and produce faster resorption.
Variety of shade and mold is available
Do not bond with acrylic resin base
Retained to denture base mechanically

A

Porcelain denture teeth

20
Q

This restoration does not use any metal substructure, instead they use core porcelain.

A

All cermaic restoration

21
Q

are also known as porcelain-fused to metal.

A

Metal-ceramic restoration

DENT MAT ( THIRD YEAR ) (4 decks)

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