Mod G, Unit 2 Exam

Front 1

Deciduous teetht have large pulp chambers; greater care should be given during a coronal polish so as not to overheat the tooth.

Back 1

True

Front 2

When the patient has a lot of stain, a more coarse abrasive is used.

Back 2

True

Front 3

After a coronal polish, a fluoride treatment is indicated.

Back 3

True

Front 4

Twelve to eighteen inches of dental tape are used as part of the tooth polishing procedure.

Back 4

True

Front 5

The prophy brush is used to clean lingual surfaces.

Back 5

False

Front 6

Endogenous stains are always intrinsic and cannot be removed by coronal polishing.

Back 6

True

Front 7

The rubber cup should be soft and flexible enough to adapt tot the contours of the teeth.

Back 7

True

Front 8

Chlorhexidine stain is a permenant stain and cannot be removed with toothbrushing.

Back 8

False

Front 9

When using the proper coronal polishing technique, calcular deposits can be removed.

Back 9

False

Front 10

Plaque causes stain and bacteria

Back 10

False

Front 11

When polishing teeth, utilize:

Back 11

B. slow intermittent strokes to dissipate heat

Front 12

Which member of the dental health team is allowed to scale teeth?

Back 12

D. a and b

Front 13

When utilizing the modified pen grasp, the ____ finger is the fulcrum finger.

Back 13

A. ring

Front 14

Plaque is removed from the interproximal area with:

Back 14

D. dental floss

Front 15

Example(s) of intrinsic stains are

Back 15

D. all of the above

Front 16

Various prophy brush types are used during coronal polishing such as

Back 16

D. all of the above

Front 17

Fine abrasives are called powders or flours and are graded F, FF, and FFF for increasing fineness; these characteristics best describe which of the following abrasives?

Back 17

D. grit or grade

Front 18

Some contradictions or modifications for a coronal polish are

Back 18

D. 2,3,4

Front 19

The criteria used in evaluating extrinsic stain are:

Back 19

D. 1,3, and 4 correct

Front 20

one of the following is a primary function of the mouth mirror is:

Back 20

B. to retract tissue

Front 21

When polishing with dental tape, you start at the oblique angle and use what type of motion?

Back 21

C. band and forth

Front 22

When polishing, to prevent any enamel from being removed during the procedure,

Back 22

C. small amounts of enamel are always removed during polish

Front 23

The coronal polish procedure involves removing

Back 23

A. extrinsic stains and soft deposits

Front 24

The coronal polish is the polishing of the

Back 24

B. clinical crown

Front 25

Which type of surface best resists the accumulation of plaque and calculus?

Back 25

A. smooth

Front 26

Which of the following are likely to stain the teeth during the use of the rubber cup polishing?

Back 26

A. black cups

Front 27

The inflammation of the gingival tissue is

Back 27

B. gingivitis

Front 28

Which of the following decreases the rate of abrasion?

Back 28

B. 5 only

Front 29

Tetracycline is an example of an ______ stain.

Back 29

B. intrinsic

Front 30

A significant cause of periodontal disease is

Back 30

D. all of the above

Front 31

The process of removing deposits and polishing the teeth is a

Back 31

D. none of the above

Front 32

Which of the following stains are only exogenous in origin?

Back 32

B. extrinsic

Front 33

Coronal polishing is done after the tooth has been scaled to

Back 33

D. all of the above

Front 34

The prophy angle is held in a _______ grasp

Back 34

A. modified pen

Front 35

The occlusal surfaces of teeth are polished using a:

Back 35

D. prophy brush

Front 36

The area at the bottom of the sulcus where the gingiva attaches tot he tooth is the

Back 36

D. epithelial attachment

Front 37

Which type of cleaning aids should be used to clean large interdental spaces or around fixed appliances?

Back 37

D. all of the above

Front 38

For a coronal polish, use a

Back 38

A. low-speed handpiece with a prophy angle attachment

Front 39

Examples of extrinsic stains are

Back 39

D.all of the above

Front 40

The space between the tooth and the free gingiva is the

Back 40

A. sulcus

Front 41

When dental floss is being used during a polishing procedure, the motions demonstrated is

Back 41

B. up and down

Front 42

The rubber cup is applied to the tooth and flexed ____ mm into the sulcus.

Back 42

B. 1

Front 43

The proper stroke when using the prophy cup is

Back 43

D. All of the above

Front 44

The coronal polishing procedure is indicated:

Back 44

B. before the placement of orthodontic brackets

Front 45

a procedure limited to the removal of plaque and stain from exposed tooth surfaces:

Back 45

D. coronal polishing

Front 46

Most commercial preparations of abrasives contain which of the following?

Back 46

D. all of the above

Front 47

Tin oxide

Back 47

B. very fine polishing agent used on both enamel and gold

Front 48

Chalk

Back 48

D. mild abrasive used in some prophy pastes

Front 49

flour of pumice

Back 49

A. not used on gold

Front 50

Zirconium silicate

Back 50

C. used for stain removal; it can be used on exposed dentin