Deck 36: Moisture Control

Question 1

The _____ is not strong enough to remove solid debris from the mouth.

A)high-volume evacuator (HVE)
B)saliva ejector
C)cuspidor
D)surgical suction

Answer 1

saliva ejector

Question 2

A cotton roll holder is designed to hold multiple cotton rolls in a more secure manner for the _____ quadrant.

A)mandibular
B)maxillary
C)both a and b

Answer 2

mandibular

Question 3

The saliva ejector should be placed _____ the tongue on the _____ where the dentist is working.

A)over; same side
B)over; opposite side from
C)under; same side
D)under; opposite side from

Answer 3

under; opposite side from

Question 4

The HVE suction tip should be positioned:

A)after the dentist positions the handpiece and mouth mirror.
B)on the surface of the operative tooth closest to the dentist.
C)so the bevel of the suction tip is perpendicular to the tooth surface.
D)so the edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge.

Question 5

A dry-angle isolator is a triangular absorbent pad that is placed on the _____ to block the flow of saliva and to protect the tissues.

A)floor of the mouth under the tongue
B)hard palate
C)buccal mucosa over the Stensen's duct
D)tongue

Question 6

Dental dam clamp parts include the bow and the jaws.The bow is the rounded portion of the clamp that extends through the dam and is located towards the:

A)anterior of the mouth.
B)distal aspect of the tooth.
C)posterior of the mouth.
D)both b and c.

Question 7

A _____ is a piece of dental floss or dental tape that should always be attached to the bow of the dental dam clamp before the clamp is placed in the patient's mouth.

A)tie
B)stabilizing cord
C)ligature
D)anchor

Question 8

For ideal conditions during a dental procedure,which of the following features should characterize the isolation technique?

A)Isolation should be protective of soft tissue such as the tongue, but not hard tissue such as the alveolus.
B)The dentist must compensate for obscured vision due to the isolation.
C)Isolation should cause pooling of saliva in the area of concern.
D)Isolation should be comfortable for the patient.

Question 9

The dental dam is placed _____ the local anesthetic is administered.

A)before
B)after
C)either a or b

Question 10

Dental dams are made of either latex or latex-free material and come precut as squares that measure _____ inches.

A)4 × 4
B)5 × 5
C)6 × 6
D)both b and c

Question 11

The dental assistant may hold the HVE using the _____ grasp.

A)pen
B)palm
C)thumb-to-nose
D)either a or c

Question 12

Which of the following is used along with the HVE to complete the rinsing process?

A)Dental dam
B)Cup of water
C)Air-water syringe
D)Dry-angle

Question 13

The high-volume evacuator (HVE) is able to take up water and debris because a _____ volume of air is moved into the vacuum hose at _____ pressure to create a strong suction.

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

Question 14

The three most common methods used to isolate a specific area of the mouth include:

A)mouth prop, index and middle fingers, and gauze square..
B)cotton rolls, dry angles, and the dental dam.
C)cotton roll, dental dam, and index and middle fingers.
D)mouth prop, gauze squares, and cotton rolls.

Question 15

The purpose of a limited-area rinsing of the patient's oral cavity is to:

A)frequently remove debris as it accumulates during a procedure.
B)rinse the patient's entire mouth when it needs refreshing.
C)rinse after the dental prophylaxis.
D)provide fresh breath.

Question 16

After it is used,an HVE tip is:

A)thrown away.
B)disinfected.
C)sterilized.
D)either a or c.

Question 17

The evacuation system hoses should be flushed _____ with an antimicrobial solution.

A)weekly
B)daily
C)monthly
D)every other day

Question 18

The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby frame are placed _____ the dam.

A)under; outside
B)under; under
C)outside; under
D)outside; outside

Question 19

Which is(are) used most throughout a restorative dental procedure?

A)Saliva ejector
B)High-volume evacuator
C)Spittoon
D)Both a and b

Question 20

The dental assistant grasps the evacuator in the _____ hand when assisting a right-handed dentist.

A)right
B)left
C)either a or b

Question 21

The dental dam material between the holes of the punched dam is called the:

A)ligature.
B)bow.
C)jaws.
D)none of the above.

Question 22

The isolation of anterior teeth is usually:

A)only on the tooth being restored.
B)on the tooth being restored and one tooth on each side.
C)from canine to canine.
D)on the quadrant in which the tooth to be restored is located.

Question 23

Which of the following does not describe an operative suction tip?

A)Smaller in circumference than a surgical suction tip
B)Beveled working end
C)Made of plastic or stainless steel
D)Designed with a straight or slight angle in the middle

Question 24

When removing cotton roll isolation,the dental assistant must wet the cotton roll before removal because:

A)it is easier to grasp with cotton pliers.
B)a dry cotton roll may stick to lining mucosa and cause injury.
C)the patient will like the taste of the wet cotton roll.
D)it provides a better isolation.

Question 25

When holes are punched in the dental dam,they are spaced _____ mm between the edges of the holes.

A)2.0 to 2.5
B)3.0 to 3.5
C)3.5 to 4.0
D)none of the above

Question 26

The purpose of inverting the dental dam into the gingival sulcus is to:

A)stabilize the dam.
B)have better visibility.
C)prevent saliva leakage.
D)provide patient protection.

Question 27

Maintenance of the evacuation system should include which of the following?

A)Flush the hoses at the end of the day with antimicrobial solution.
B)Check disposable traps weekly, replace if needed.
C)Open saliva ejector hoses, clean or replace screens.
D)All of the above should be included.

Question 28

Which of the following is not an advantage of using cotton rolls for isolation?

A)Easy application
B)Limited retraction
C)No additional equipment
D)Flexible for easy adaptability to areas of the mouth

Question 29

Surgical suction tips are:

A)smaller in circumference.
B)used to remove large amounts of water and fluid.
C)used to remove blood, tissue, and debris.
D)both a and c.

Question 30

The _____ is punched as the largest size hole (#5) to accommodate the dental dam clamp that fits on the _____ tooth.

A)anchor hole; keyhole
B)keypunch hole; anchor
C)septum hole; restorative
D)anterior hole; most anterior

Question 31

Which of the following is not a guideline for using the air-water syringe?

A)Use air on the mouth mirror when indirect vision is involved.
B)Direct the syringe tip toward the tooth being treated.
C)Direct the syringe tip toward the patient's nose and lips.
D)Keep a close distance between the tooth and syringe tip.

Question 32

There are two methods of dental dam placement.In which method is the clamp placed and then the dental dam is stretched over it?

A)One-step
B)Two-step
C)Clamp
D)Frame

Question 33

Most dentists prefer a darker color dental dam because it provides:

A)bright color for good patient acceptance.
B)good contrast to tooth structure.
C)reduced glare.
D)both b and c.

Question 34

Which of the following is not an indication for using the saliva ejector?

A)Control saliva and moisture accumulation
B)Cementation of crown
C)Removal of solid debris
D)Fluoride treatments

Question 35

Which of the following does not describe dry-angle isolation?

A)Triangular absorbent pad
B)Isolates posterior areas of maxillary/mandibular arches
C)Tightly formed absorbent cotton
D)Blocks the flow of saliva and protects tissues in the area

Question 36

What part of the dental dam clamp encircles the tooth and must be firmly seated to stabilize the clamp?

A)Jaws
B)Bow
C)Wings
D)Forceps holes

Question 37

When performing a limited rinse,what equipment would be used by the dental assistant?

A)HVE
B)Cup of mouthwash rinse
C)Air-water syringe
D)Both a and c

Question 38

Which is not a specific guideline for positioning the HVE?

A)Position the bevel to be parallel to the tooth surface.
B)Place the HVE after the dentist positions the handpiece and mirror.
C)Position the HVE tip on the surface of the operative tooth closest to the dental assistant.
D)Keep the HVE tip edge even with or slightly beyond the occlusal or incisal surface.

Question 39

The HVE has three main purposes: 1) retract tongue and cheek; 2) keep mouth free of saliva,blood,debris,and water; and 3) _____.

A)reduce the bacterial aerosol spray caused by the high-speed handpiece
B)keep the patient's mouth fresh
C)keep oral tissues from dehydrating
D)none of the above

Question 40

The three most common isolation methods include cotton roll isolation,rubber dam,and:

A)sealants.
B)cement.
C)cotton pellet.
D)dry angles.

Question 41

If the high-speed handpiece is positioned on the occlusal surface of tooth #14,where would the assistant position the HVE?

A)Buccal surface of #15
B)Buccal surface of #13
C)Lower left buccal vestibule
D)Lingual surface of #14

Question 42

What piece of dental dam equipment stabilizes and stretches the dam away from the tooth?

A)Clamp
B)Bow
C)Punch
D)Frame