Dental Materials Flashcards Preview

Dentistry > Dental Materials > Flashcards

Flashcards in Dental Materials Deck (22):
1

Alloy

A combination of 2 or more metals

2

Retention

The ability to retain or hold something in place cannot seal

3

Restorative

A process that brings teeth back to natural appearance

4

Pestle

An object in the amalgam capsule used for pounding or pulverizing

5

Make up of alloy powder in amalgam

Silver tin copper zinc

6

What does copper provide to amalgam restoration

Corrosion resistance and strength

7

What is used to smooth amalgam

Burnisher

8

What is galloy and what is it composed of

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

9

Gallium

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

10

What does the silver do for teeth in amalgam

Strength

11

What does tin do for teeth in amalgam

Workability and strength

12

What does copper do for teeth in amalgam

Strength and corrosion resistance

13

What does zinc do for teeth in amalgam

Suppresses oxidation

14

What is eames technique

1 to 1 Mercury to amalgam alloy powder

15

What's the first step to finishing composites

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

16

What's the second step to finishing composite resin

Fine finishing is performed with carbide finishing burs then diamond burs

17

What is the third step to finishing composite resin

Polishing resin with medium discs and finishes with superfine discs

18

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

Finishing strips assist in polishing of interproximal surfaces

19

What is the last step to finishing a composite resin

Polishing paste applied to a rubber cup

20

What term commonly used to refer to dimethacrylate

BIS-GMA

21

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

Macrofilled

22

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

Depth or extent of restoration