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Flashcards in Dental Materials Deck (22)
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1
Q

Alloy

A

A combination of 2 or more metals

2
Q

Retention

A

The ability to retain or hold something in place cannot seal

3
Q

Restorative

A

A process that brings teeth back to natural appearance

4
Q

Pestle

A

An object in the amalgam capsule used for pounding or pulverizing

5
Q

Make up of alloy powder in amalgam

A

Silver tin copper zinc

6
Q

What does copper provide to amalgam restoration

A

Corrosion resistance and strength

7
Q

What is used to smooth amalgam

A

Burnisher

8
Q

What is galloy and what is it composed of

A

A nonmercury alloy composed of gallium indium and tin. Sensitive to moisture which can cause corrosion and expansion.

9
Q

Gallium

A

The alloy base ingredient in galloy that is soft silver hued metal that liquified at 86 degrees

10
Q

What does the silver do for teeth in amalgam

A

Strength

11
Q

What does tin do for teeth in amalgam

A

Workability and strength

12
Q

What does copper do for teeth in amalgam

A

Strength and corrosion resistance

13
Q

What does zinc do for teeth in amalgam

A

Suppresses oxidation

14
Q

What is eames technique

A

1 to 1 Mercury to amalgam alloy powder

15
Q

What’s the first step to finishing composites

A

Reduction of material completed by use of white stone or a finishing diamond

16
Q

What’s the second step to finishing composite resin

A

Fine finishing is performed with carbide finishing burs then diamond burs

17
Q

What is the third step to finishing composite resin

A

Polishing resin with medium discs and finishes with superfine discs

18
Q

What’s the 4th step to finishing a composite resin

A

Finishing strips assist in polishing of interproximal surfaces

19
Q

What is the last step to finishing a composite resin

A

Polishing paste applied to a rubber cup

20
Q

What term commonly used to refer to dimethacrylate

A

BIS-GMA

21
Q

Which filler type of composite resin has strongest makeup and has largest fillers

A

Macrofilled

22
Q

When light curing composite resin which factor can affect curing time of the material

A

Depth or extent of restoration