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Quiz 7 > Quiz 7 > Flashcards

Quiz 7 Flashcards

1
Q

A #34 bur is BEST describe as

A

An inverted cone

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2
Q

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

A

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

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3
Q

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

A

19

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4
Q

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

A

Gingivally

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5
Q

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?

A

4, # 12

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6
Q

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

A

Clamp with jaws that are tipped Gingivally

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7
Q

Proper burnishing of a matrix band will

A

Improve contour and contact

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8
Q

The MOST important reason for restoring contacts restoration is to

A

Reduce the incidence of food impaction

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9
Q

During treatment, the fulcrum point should be established on the

A

Same side of the area

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10
Q

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

A

Keep the mirror clean

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11
Q

When inserted, a matrix band should be

A

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

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12
Q

Undertrituration of amalgam alloy will result in a mass that

A

Appears crumbly

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13
Q

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

A

Use a preset amalgam tray

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14
Q

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

A

Anterior tooth for a Cass V cavity preparation

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15
Q

What type of bur is used in the highspeed handpiece?

A

Friction grip

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16
Q

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

A

Dam is not oriented correctly on the frame

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17
Q

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

A

Moisture contamination of the bonding agent

18
Q

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

A

Gingival to the height of contour

19
Q

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

A

Gross enamel reduction

20
Q

After coronal polishing, floss should be used to

A

Remove plaque and remaining abrasive particles

21
Q

Discomfort during polishing may be caused by used

A

Heavy pressure

22
Q

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

A

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

23
Q

Coronal polishing is intended to remove

A

Extrinsic stain

24
Q

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

A

Acid

25
Q

Impregnated gingival retraction material contain

A

Astringent agents

26
Q

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

A

Stainless steel crown

27
Q

Retraction cord that is impregnated with an astringent is used to

A

Control bleeding

28
Q

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

A

Porcelain veneer

29
Q

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

A

Blanching of tissue

30
Q

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

A

Coping

31
Q

A dental sealant is applied on the:

A

Occlusal surfaces

32
Q

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

A

Palatal surface of the maxillary right molar area

33
Q

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

A

Spoon excavator

34
Q

____ improves the retention of a sealant.

A

Acid Etching

35
Q

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

A

Latch-type

36
Q

A fissurotomy bur is used to:

A

Open pits and fissures prior to placement of a sealant

37
Q

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

A

Light emitting diode (LED)

38
Q

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

A

The working end of the hand piece

39
Q

What information does a bur number provide about the bur?

A

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

40
Q

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

A

A bite block

Quiz 7 (1 decks)

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