FINISHING AND POLISHING MATERIALS

Question 1

It is a wear process ; it’s action is esseantially a cutting action.

Answer 1

Abrasion

Question 2

4 materials that can affect the process of ABRASION:

Answer 2

• hardness
• strength
• Ductility
• Thermal conductivity

Question 3

3 types of abrasives:

Answer 3

Finishing abrasive
Polishing abrasive
Cleansing abrasive

Question 4

A hard, coarse abrasive and for developing contours of restoration or tooth preparation

Answer 4

Finishing abrasive

Question 5

Have finer particles and less hard abrasive

Answer 5

Polishing abrasive

Question 6

Type of abrasive that removes gross irregularities on the surface

Answer 6

Finishing abrasive

Question 7

Type of abrasive used in providing LUSTER of restoration

Answer 7

Polishing abrasive

Question 8

Type of abrasive which is generally softer materials with small particles and sizes

Answer 8

Cleansing abrasive

Question 9

Type of abrasive which is intended to remove softer materials that adhere to the enamel and restorations

Answer 9

Cleansing abrasive

Question 10

What are the 6 common finishing abrasives:

Answer 10

Aluminum oxide
Cuttle
Diamond
Silicon carbide
Garnet
Sand

Question 11

Commonly applied to paper and plastic disks in different sizes and particles

Answer 11

Aluminum oxide

Question 12

From the bones of fish

Answer 12

Cuttle

Question 13

Hardest substance.

Answer 13

Diamond btch

Question 14

2nd hardest substance

Answer 14

Silicon carbide

Question 15

9 commonly used polishing and cleansing abrasives

Answer 15

Calcite
Kieselguhr
Diatomaceous earth
Pumice
Rogue
Silex
Tin oxide
Tripoli
Zrconium silicate

Question 16

An abrasive in a form of calcium carbonate:

Answer 16

Calcite

Question 17

Siliceous remains of minute aquatic plants known as DIATOMS

Answer 17

kieselghur

Question 18

Coarse from kieselguhr

Answer 18

Diatomaceous earth

Question 19

Highly siliceous volcanic glass

Answer 19

Pumice

Question 20

Compose of iron dioxide ( in cake form)

Answer 20

Rouge

Question 21

Siliceous material such as quartz and tripoli

Answer 21

Silex

Question 22

It is a pure white powder used extensively as a final polishing agent for teeth and metallic restorations in the mouth:

Answer 22

Tin oxide

Question 23

Porous rock found in North africa

Answer 23

Tripoli

Question 24

7 abrasives found in prophylactic paste

Answer 24

Quartz
Anatase
Feldspar
Montmorillonite
Aluminum hydroxide
Kaolinite
Talc