Deck 36: Moisture Control

Question 1

The piece of dental floss or dental tape that should always be attached to the bow of the dental dam clamp prior to clamp placement is called a(n):

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

Answer 1

ligature.

Question 2

A _______ is used to remove solid debris from the oral cavity during a dental procedure.

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

Answer 2

high-volume evacuator (HVE)

Question 3

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

A)before
B)after
C)before or after

Answer 3

after

Question 4

Which of the following is used the most throughout a restorative dental procedure?

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

Question 5

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 positioned toward the:

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

Question 6

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

A)4 * 4 inches.
B)5 * 5 inches.
C)6 * 6 inches.
D)both b and c

Question 7

To block the flow of saliva and to protect the tissues,a dry-angle isolator placed on the:

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

Question 8

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

A)mandibular
B)maxillary
C)mandibular and maxillary

Question 9

The HVE is held using a _____ grasp.

A)pen
B)palm
C)thumb-to-nose
D)Either a or c is correct.

Question 10

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

A)right
B)left
C)right or left

Question 11

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 12

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 13

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 14

After it is used,an HVE tip is:

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

Question 15

Frequent removal of debris as it accumulates during a procedure is called:

A)limited-area rinse.
B)removal of plaque.
C)temporary lavage.
D)breath freshener.

Question 16

To create ideal conditions during a dental procedure,the isolation technique should:

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

Question 17

During a dental procedure,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

Question 18

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 that the bevel of the suction tip is perpendicular to the tooth surface.
D)so that the edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge.

Question 19

An antimicrobial solution should be flushed through the evacuation system hoses:

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

Question 20

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 21

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

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

Question 22

All of the following are indications for using the saliva ejector except:

A)control saliva and moisture accumulation.
B)cementation of crown.
C)removal of solid debris.
D)fluoride treatments.

Question 23

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 is correct.

Question 24

All of the following are advantages of using cotton rolls for isolation except:

A)ease of application.
B)limited retraction.
C)no additional equipment needed.
D)flexible for easy adaptability to areas of the mouth.

Question 25

The part of the dental dam clamp that encircles the tooth and must be firmly seated to stabilize the clamp is the:

A)jaws.
B)bow.
C)wings.
D)forceps holes.

Question 26

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 27

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 28

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 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 andc

Question 30

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

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

Question 31

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 is correct.

Question 32

All of the following are specific guidelines for positioning the HVE except:

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 33

Maintenance of the evacuation system includes:

A)flushing the hoses at the end of the day with antimicrobial solution.
B)checking disposable traps weekly and replacing them if needed.
C)opening saliva ejector hoses and cleaning or replacing screens.
D)all of the above.

Question 34

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

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

Question 35

All of the following describe an operative suction tip except:

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 36

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 37

All the following are guidelines for using the air-water syringe except:

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

Question 38

In which method of dental dam placement does one place the clamp and then stretch the dental dam over it?

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

Question 39

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 can stick to the lining mucosa and cause injury.
C)the patient will like the taste of the wet cotton roll.
D)it provides a better isolation.

Question 40

The equipment needed by the dental assistant to perform a limited rinse includes:

A)an HVE.
B)a cup of mouthwash rinse.
C)an air-water syringe.
D)both a and c

Question 41

The piece of dental dam equipment that stabilizes and stretches the dam away from the tooth is the:

A)clamp.
B)bow.
C)punch.
D)frame.

Question 42

When 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