Quiz 7

Question 1

A #34 bur is BEST describe as

Answer 1

An inverted cone

Question 2

What will happen to an area of enamel that has been inadvertently etched?

Answer 2

It will return to its normal translucency in a few days without damage to the tooth

Question 3

If a matrix band were assembled for use on tooth #3, it could also be used on tooth

Answer 3

19

Question 4

When placing the universal matrix band, the smaller opening of the band will be oriented

Answer 4

Gingivally

Question 5

When preparing for a pulp test on tooth # 13, which of the following teeth are normally isolated and dried for the test in addition to tooth # 13?

Answer 5

4, # 12

Question 6

Which dental dam clamp would be selected for placement on a partially erupted tooth?

Answer 6

Clamp with jaws that are tipped Gingivally

Question 7

Proper burnishing of a matrix band will

Answer 7

Improve contour and contact

Question 8

The MOST important reason for restoring contacts restoration is to

Answer 8

Reduce the incidence of food impaction

Question 9

During treatment, the fulcrum point should be established on the

Answer 9

Same side of the area

Question 10

When using a high speed handpiece during to preparation the air syringe is primarily used to

Answer 10

Keep the mirror clean

Question 11

When inserted, a matrix band should be

Answer 11

At least 1 mm above the marginal ridge and 1mm below the gingival wall

Question 12

Undertrituration of amalgam alloy will result in a mass that

Answer 12

Appears crumbly

Question 13

Which of the following would most quickly allow for preparation of the operatory for an amalgam restoration?

Answer 13

Use a preset amalgam tray

Question 14

A butter clamp is likely to be used to secure the dental dam for a/an

Answer 14

Anterior tooth for a Cass V cavity preparation

Question 15

What type of bur is used in the highspeed handpiece?

Answer 15

Friction grip

Question 16

If gingival tissue is visible between the dental dam and the teeth, the probable cause is that the

Answer 16

Dam is not oriented correctly on the frame

Question 17

Which of the following could cause failure of a visible light-cured composite restauration?

Answer 17

Moisture contamination of the bonding agent

Question 18

In order to secure a dental dam on the anchor tooth, the jaws of the clamp are placed

Answer 18

Gingival to the height of contour

Question 19

A low speed handpiece may be used when performing all of the following procedures EXCEPT

Answer 19

Gross enamel reduction

Question 20

After coronal polishing, floss should be used to

Answer 20

Remove plaque and remaining abrasive particles

Question 21

Discomfort during polishing may be caused by used

Answer 21

Heavy pressure

Question 22

During coronal polishing, the rubber cup should be applied to the tooth with

Answer 22

Light pressure to cause the edges of the rubber cup to flare slightly

Question 23

Coronal polishing is intended to remove

Answer 23

Extrinsic stain

Question 24

Etchant or tooth conditioner should be the icial handled with care because it contains

Answer 24

Acid

Question 25

Impregnated gingival retraction material contain

Answer 25

Astringent agents

Question 26

Which of the following is most commonly used for full coverage of PRIMARY molar?

Answer 26

Stainless steel crown

Question 27

Retraction cord that is impregnated with an astringent is used to

Answer 27

Control bleeding

Question 28

Use of a retraction cord is suggested for which of the following procedures?

Answer 28

Porcelain veneer

Question 29

While trial-sizing a prefabricated temporary crown, the FIRST sign that it is overextended is

Answer 29

Blanching of tissue

Question 30

On an overdenture, the remaining natural teeth may be covered with a casting called a/an

Answer 30

Coping

Question 31

A dental sealant is applied on the:

Answer 31

Occlusal surfaces

Question 32

When suction is required in the maxillary right molar area, the auxiliary positions the high volume evacuation tip toward the:

Answer 32

Palatal surface of the maxillary right molar area

Question 33

The _____is utilized to remove carious dentin in the cavity preparation.

Answer 33

Spoon excavator

Question 34

____ improves the retention of a sealant.

Answer 34

Acid Etching

Question 35

What type of bur is used in a contra-angle handpiece?

Answer 35

Latch-type

Question 36

A fissurotomy bur is used to:

Answer 36

Open pits and fissures prior to placement of a sealant

Question 37

Curing light technologies include tungsten halogen, argon laser, plasma arc and what other type of technology?

Answer 37

Light emitting diode (LED)

Question 38

The end of the hand piece where discs, burs, stone and other rotatory instruments and attachments are held is called:

Answer 38

The working end of the hand piece

Question 39

What information does a bur number provide about the bur?

Answer 39

The number describes the shape, size and variation of the bur

Question 40

Which of the following is used to assist the patient to hold his/her mouth open during treatment?

Answer 40

A bite block