Deck 58: Coronal Polishing

Question 1

Which statement is correct about polishing cups?

A)They remove stain from the clinical crowns of teeth.
B)They are made from gutta-percha.
C)They are rotated rapidly to remove stain from teeth.
D)They are available in a synthetic material for patients with latex allergies.

Answer 1

They are available in a synthetic material for patients with latex allergies.

Question 2

Which procedure is included with an oral prophylaxis?

A)Fluoride treatment
B)Removal of calculus and debris
C)Examination
D)Removal of decay

Answer 2

Removal of calculus and debris

Question 3

Some polishing agents come as powders to be mixed with water or mouthwash.What consistency works most effectively?

A)Emulsion
B)Slurry
C)Dry and crumbly
D)Wet and sloppy

Answer 3

Slurry

Question 4

For what are disclosing agents used?

A)To identify areas of plaque
B)To evaluates the effectiveness of polishing
C)To shows intrinsic stain
D)Both a and b

Question 5

Which polishing paste is recommended for use on filled hybrid composites and resin restorations?

A)Regular prophy
B)Micron-fine sapphire
C)Tin oxide
D)Aluminum oxide

Question 6

How should a bristle brush be used?

A)Rotate rapidly before touching the tooth surface.
B)Apply lightly to the tooth surface while revolving at the lowest speed.
C)Place on the tooth while not rotating, and rotate slowly.
D)Place on the tooth while not rotating, and rotate in a reverse direction.

Question 7

Which statement is correct regarding selective polishing?

A)The abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer.
B)The abrasive agent used during coronal polishing actually removes a small amount of the fluoride-depleted outer enamel layer.
C)The abrasive agent used during coronal polishing impedes uptake of fluoride by the outer layer of enamel.
D)Fluoride contained in the abrasive agent is not taken up by the teeth.

Question 8

What options are available for stains that cannot be removed manually?

A)Tooth whitening
B)Cosmetic restoration
C)Laminate veneers
D)All of the above

Question 9

The term fulcrum is used to describe the placement of the _____ finger of the hand to stabilize the handpiece or instrument being used.

A)first
B)second
C)third
D)fourth

Question 10

______ polishing refers to polishing root surfaces that have been exposed during periodontal surgery.

A)Root
B)Apical
C)Therapeutic
D)Coronal

Question 11

The air-polishing technique uses a specially designed handpiece with a nozzle that delivers a high-pressure stream of warm water what additive?

A)Calcium tungstate
B)Calcium hydroxide
C)Sodium hypochlorite
D)Sodium bicarbonate

Question 12

Exogenous stains are caused by environmental sources and are classified into subdivisions,including which of the following?

A)Intrinsic stains
B)Endogenous stains
C)Extrinsic stains
D)Both a and c

Question 13

Recommended polishing pastes have _____ polish and _____ abrasion levels.

A)high; high
B)high; low
C)low; high
D)low; low

Question 14

When would bristle brushes be used?

A)For exposed cementum
B)For exposed dentin
C)For deep pits and fissures on the enamel surfaces
D)For interproximal subgingival areas

Question 15

What does air-powder polishing remove?

A)Supragingival plaque
B)Subgingival plaque
C)Supragingival stain
D)Subgingival calculus

Question 16

Which type of stain can be removed from the surfaces of the teeth?

A)Tobacco
B)Fluorosis
C)White spot
D)Tetracycline

Question 17

Polishing _____ the uptake of professionally applied fluoride; therefore,polishing is _____ before fluoride application.

A)improves; necessary
B)improves; not necessary
C)does not improve; necessary
D)does not improve; not necessary

Question 18

What is the purpose of the coronal polishing technique?

A)As a substitute for an oral prophylaxis
B)To remove calculus, debris, stain, and plaque from teeth
C)To remove plaque and stains from the coronal surfaces of the teeth.
D)To be performed by any dental assistant

Question 19

Which of the following represents an endogenous stain?

A)An excessive amount of fluoride during tooth development
B)Blueberries
C)Dental amalgam that has been incorporated into tooth structure
D)Coffee

Question 20

What is the Theory of Selective Polishing?

A)Polish the teeth that are visible.
B)Polish occlusal surfaces of the teeth.
C)Polish the teeth that have stains.
D)Polish the facial surfaces of teeth.

Question 21

The lingual surfaces of the maxillary right quadrant are polished with the patient's head positioned ______ the operator.

A)up and toward
B)up and away from
C)down and toward
D)down and away from

Question 22

The right-angle handpiece is held with which grasp?

A)Pen
B)Palm-thumb
C)Reverse palm-thumb
D)Any that is comfortable

Question 23

Which of the following statements is not true in regards to coronal polishing?

A)Each tooth should be polished for 3 to 5 seconds.
B)Use approximately one cupful of polishing agent for every three or four teeth
C)The intermittent pressure should be enough to cause the edges of the polishing cup to
Slightly flare.
D)The lowest possible handpiece speed should be used.

Question 24

A right-handed operator generally begins seated at the ____ o'clock position,and a left-handed operator begins seated at the _____ o'clock position.

A)8; 3
B)11; 1
C)10; 2
D)Seating can be in any position in which the operator is comfortable.

Question 25

What type of stain,found on some children's teeth,can be caused by poor hygiene and the fungi that are retained in bacterial plaque?

A)Black
B)Green
C)Orange
D)Red

Question 26

What is the purpose of a fulcrum?

A)To put pressure to the fingers
B)To provide better retraction
C)To provide stability for the operator's hand
D)To provide movement for the arm

Question 27

A _____ is a point of support that works as a lever for movement.

A)fulcrum
B)pen grasp
C)handpiece
D)mouth prop

Question 28

To avoid injury,the rubber polishing cup is directed ______ the gingival third and pressed ______ against the tooth surface.

A)toward; lightly..
B)away from; lightly
C)toward; firmly
D)toward; lightly

Question 29

When polishing the mandibular arch,the patient's chin should be _____ and the chin should be _____ for the maxillary.

A)up; up
B)down; down
C)up; down
D)down; up

Question 30

What will the operator ask the patient to do throughout the prophylaxis procedure?

A)Wear safety glasses.
B)Keep their eyes closed.
C)Keep the mouth open wide.
D)All of the above should be asked.

Question 31

What damage can result from using the prophy angle at a high speed?

A)It can cause frictional heat that can damage the tooth.
B)It can remove dentin.
C)It can cause frictional heat that can burn the gingiva.
D)Both a and c can result.

Question 32

A stain that is dull and yellowish-brown in color is caused by:

A)cigarettes or cigars.
B)inadequate toothpaste or poor hygiene.
C)tetracycline.
D)all of the above.

Question 33

Which type of stain is incorporated into the tooth surface and cannot be removed easily if at all?

A)Tobacco
B)Coffee
C)Tetracycline
D)Iron

Question 34

Which statement is not a negative effect of coronal polishing?

A)Dentinal hypersensitivity during and after the appointment
B)Loss of enamel
C)Scratches or rough surfaces left on restorations
D)Decreased fluoride uptake

Question 35

If scaling the teeth is indicated before polishing,who performs the scaling?

A)DDS
B)EFDA or RDA
C)RDH
D)Either a or c

Question 36

What is the most common technique for stain removal?

A)Scaler
B)Toothbrush
C)Floss
D)Rubber cup polishing

Question 37

Black stain:

A)has no relationship to poor oral hygiene.
B)is rare.
C)is usually caused by food pigments.
D)covers most of the crowns of teeth.