Dental Material Vocab

Question 1

Base/Catalyst

Answer 1

A substance that increase the rate of a chemical reaction without undergoing any permanent chemical change.

Question 2

Compressive Stress

Answer 2

Compressive stress is the stress of materials that leads to a smaller volume.

Question 3

Corrosion

Answer 3

The process of corroding metal, stone, or other materials

Question 4

Council on Dental Materials, Instruments, and Equipment

Answer 4

Sets regulations and standards that all dental materials and what not must meet. Sub division of ADA

Question 5

Dimensional Change

Answer 5

Change in the mold; Shrink or growth

Question 6

Direct

Answer 6

In the mouth

Question 7

Exothermic Reaction

Answer 7

An exothermic reaction is a chemical reaction that releases energy by light or heat

Question 8

Galvanism

Answer 8

Electricity produced by a chemical reaction. Two metals touch in the mouth

Question 9

Hardness

Answer 9

A quality or condition of being hard. Resistance to scratching

Question 10

Heavy body

Answer 10

More viscous. Thicker, applied in tray

Question 11

Imbibition

Answer 11

Imbibition is a process where water is absorbed by solids or colloids. Swelling

Question 12

Indirect

Answer 12

Not in the mouth

Question 13

Light body

Answer 13

Less viscous. Applied in syringe

Question 14

Luting

Answer 14

Liquid clay or cement used to seal a joint, coat a crucible, or protect a graft

Question 15

Malleable

Answer 15

Easily influenced using force or pressure

Question 16

Mechanical properties

Answer 16

Not chemically bonded . Ledge to prevent filling from leaving Mouth

Question 17

Percolation

Answer 17

Movement of a fluid between tooth and restoration. into an open margin

Question 18

Primary Consistency

Answer 18

Less viscous, flows easily. Luting. Can be drawn into a 1 inch strand. That is how you can tell if it is done.

Question 19

Retention

Answer 19

In dentistry, a passive period following treatment when a patient is wearing an appliance or appliances to maintain or stabilize the teeth In the new position
Means by which a material is held together

Question 20

Secondary consistency

Answer 20

A Thick, putty-like, condensable material that can be rolled into a ball or rope, suitable for use as a base

Question 21

Sheer strength

Answer 21

Sliding side to side

Question 22

Solubility

Answer 22

Rate of a material to dissolve in a material

Question 23

Syneresis

Answer 23

Shrinkage from the loss of water

Question 24

Tensile Strength

Answer 24

The resistance of a material breaking under tension(pulling/stretching)

Question 25

Thermal Conductivity

Answer 25

A measure of the ability of a material to allow for the flow of thermal energy from one substance to another

Question 26

Thermal Sensitivity

Answer 26

Sensitivity to heat in the tooth. Reacts to a heat stimulus

Question 27

Viscosity

Answer 27

Resistance to liquid to flow

Question 28

Wettability

Answer 28

Ability to flow.

Question 29

Yield Point

Answer 29

The material property defined as the stress at which a material begins to deform. Point where material shows strain