KEY TERMS ( chpt: 43 )

Question 1

Adhere

Answer 1

To stick or glue two or more items together.

Question 2

Alloy

Answer 2

two or more metallic elements when in the fluid state.

Question 3

amalgam

Answer 3

a silver tooth filling material
made from an alloy, with one of the elements being mercury

Question 4

auto-cured

Answer 4

hardening or setting by a chemical reaction of two materials

Question 5

ceramic

Answer 5

clay-type material that is a hard, brittle, and heat- and corrosive -resistant material.

Question 6

coupling agent

Answer 6

substance of two dissimilar materials that provides a chemical bond

Question 7

cured

Answer 7

a chemical or physical process of a dental material setting

Question 8

dual-cured

Answer 8

light-cure and auto-cure properties ina composite resin

Question 9

esthetic

Answer 9

to be artistically pleasing or have an attractive appearance

Question 10

filler

Answer 10

inorganic materials that adds strength and other characteristics to composite resins.

Question 11

force

Answer 11

any push or pull on an object

Question 12

galvanic

Answer 12

an electrical current that takes place when two different or dissimilar metals come together

Question 13

gold

Answer 13

a soft, yellow metal used in the making of indirect restorations

Question 14

malleability

Answer 14

the ability of a permanent material distortion under compressive stress

Question 15

matrix

Answer 15

foundation that binds a substance together;

Question 16

microleakage

Answer 16

a microscopic space between the tooth and the restorative material where a passage of bacteria and oral fluids can pass

Question 17

Palladium

Answer 17

soft, steel -white, tarnish- resistant metal that occurs naturally with platinum.

Question 18

percolation

Answer 18

the process of a liquid substance slowly passing through a porous substance like a filter

Question 19

pestle

Answer 19

a tool or object with a rounded end used to pound or crush a material.

Question 20

platinum

Answer 20

silver-white noble metal that does not corrode in air .

Question 21

Strain

Answer 21

distortion or change produced as a result of stress.

Question 21

Porcelain

Answer 21

hard, white, translucent ceramic material made by baking and then glazing it to match the natural color

Question 21

Restorative

Answer 21

to restore or bring back to its natural appearance

Question 21

Stress

Answer 21

Internal reaction or resistance to an externally applied force

Question 21

Spherical

Answer 21

round

Question 21

Retention

Answer 21

Holding something by means of adhesive or mechanical locking, or both

Question 21

Viscosity

Answer 21

Physical property of fluids that are thick or semifluid.

Question 21

Tarnish

Answer 21

the loss of Luster from exposure to air and moisture

Question 22

Wetting

Answer 22

Covering or soaking something with a liquid

Question 23

irregular

Answer 23

not straight, uniform, or symmetric.