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Flashcards in Mod 2 Final Deck (122):
1

Defined as an abnormal dryness of the mouth due to insufficient amounts of saliva:

Xerostomia

2

The portion of the tooth that makes up the majority of the tooth's structure:

Dentin

3

Arrested carious lesions are often ____ in color.

All of the above

4

Which of the following areas of a tooth are most susceptible to decay?

Pits and fissures

5

Which dental instrument is used to detect surface caries?

Explorer

6

____ is an antibacterial mouth rinse used to help prevent oral infections.

Chlorohexidine

7

The initial formation of tooth decay is known as:

Incipient caries

8

Which of the following would be considered least carciogenic?

Cheese

9

Which of the following is not one of the characteristics of pellicle?

Strengthens cementum

10

The type of caries most prevalent in the geriatric population is:

Root surface

11

The type of caries found around the margins of an existing restoration is:

Recurrent

12

Which of the following is the correct order for hardness of the different tooth structures?

Enamel, dentin, cementum, pulp

13

Which of the following is the correct order for plaque formation?

Pellicle, mutans streptococci, lactobacilli, other microrganisms

14

Use of the explorer in detecting caries can cause ____ in an area that had the possibility to remineralize.

Cavitation

15

The most accepted means of caries detection is/are:

Explorer

16

The soft and bony supporting structure of tissues that surrounds and supports the teeth is the:

Periodontium

17

Which of the following is not a term used to describe the severity of periodontal disease?

Late

18

There are ____ forms of periodontal disease.

Seven

19

The sticky tooth-covered film present on teeth that forms from bacteria and its by-products is:

Plaque

20

The bacteria present in plaque produces ____, which destroy the periodontium and cause inflammation.

Toxins and enzymes

21

The most common areas for calculus to build up are the areas nearest to the:

Salivary ducts

22

The epithelial attachment is:

All of the above

23

____ is the first indication of periodontal problems.

Gingivitis

24

Subgingival calculus is stained dark yellow, brown, green, or black due to:

Blood pigments from periodontal inflammation

25

The test used to determine a patient's susceptibility to periodontal disease is the PST, which stands for:

Periodontal Susceptibility Test

26

Juvenile aggressive periodontitis will exhibit radiographic bone loss around the:

First molars and anterior incisors

27

Gingivitis is defined by ____ gingival inflammation.

Marginal

28

Smoking causes a greater loss of bone, deeper periodontal pockets, increased tooth loss, and:

Increased calculus formation

29

Cementum is the portion of the periodontium that functions to:

Anchor the tooth to the bone

30

Which of the following does NOT cause an increase in the symptoms of gingivitis?

All of the above

31

Due to revisions concerning employee safety and building requirements, the dental office has undergone several changes. These changes were brought about by which of the following associations and acts?

OSHA, and Americans with Disabilities Act

32

Design considerations for the dental operatory include:

Bright lines to illuminate the oral cavity, solid flat cabinet doors for disinfection, and ensuring all dental items can be stored inside cabinets

33

For ease of access, the following items are typically found in the business and office assistant area:

Computer, fax machine, intercom/phone system, thermostat control, and exam glove supplies.

34

In the dental office, the ____ controls the appointment book.

Receptionist

35

The dental office can have many operatories; however, in a general practice, there are two types of operatories, one used for operative dentistry and the other for:

Dental hygiene

36

Dental equipment is expensive to purchase and crucial to the practice. Because of this, the dental assistant must:

Maintain a equipment-maintenance schedule.

37

It is important to have an evacuation system when treating a patient because:

Water is often used during treatment

38

The air compressor is usually kept away for the main area of the office because:

Of the size and noise of the compressor

39

The material of the dental chair should be easy to:

Clean and disinfect

40

When the patient is seated in a 90-degree angle, she is considered to be in the:

Upright position

41

When a patient begins to feel faint, in what position should the patient be placed?

Sub-supine

42

The handpieces; air-water syringes and/or saliva ejector; and high-volume evacuator, are collectively called the:

Dental unit

43

The ____ is a foot-control or pedal device that is used to operate and control the dental handpieces from the dental unit.

Rheostat

44

The air-water syringe should be ____ prior to and in between each patient.

Flushed

45

All dental materials (cements) are stored in ____ within the dental operatory.

Cabinets

46

The ____ is a small piece of dental equipment that triturates or mixes a restorative material.

Amalgamator

47

The ____ area within the sterilization area should be the first stop for instruments.

Dirty

48

Patient records are considered ____, and must be kept in a physically secured area.

Legal documents

49

Many offices keep dental records indefinitely, but state law mandates that dental patient records are to be kept for:

7 years

50

A patient's dental records can be requested by ____ with proper documentation following HIPPA regulations.

All of the above

51

The legal procedure of correcting a written mistake in a patient's chart is to:

Draw one line through the entry

52

It is important for the patient or guardian to sign the patient's registration form containing personal data and treatment opinions because:

The patient registration form is a legal document

53

The patient's allergies to medications, anesthetics, metals, seasonal, and ____ should be documented within his chart.

Latex

54

When the dentist evaluates, assesses, and diagnoses the dental disease of a patient's oral cavity, the dentist develops a treatment plan or:

Care plan

55

Progress notes include the:

Date of treatment, tooth treated, medications, and treatment performed

56

When asking questions about a patient's medical history, why is it a good idea to ask the patient the same question in different ways?

He might unintentionally omit or distort answers.

57

What organization recommends a complete comprehensive exam for all new patients and for patients who have been in the practice for one year?

The DHA

58

In preparation for the dentist to enter and begin treatment, the responsibility of the dental assistant is to escort the patient to the operatory:

Position the dental stool and patient light, and place the napkin on the patient.

59

When performing the extraoral/intraoral examination, the patient's face and neck are examined for:

All of the above

60

The exam where the dentist takes six measurements of each tooth sulcus and records the depths is called:

A periodontal exam

61

____ is the process of applying the hands or fingers to the external surface of the body to detect abnormalities.

Palpation

62

When the dentist palpates the extraoral area and finds swelling, this is indicative of

Infection

63

The oral soft tissues that are examined are lips, tongue, and the:

Floor of the mouth

64

The term ____ means a mechanical wearing away of tooth structure.

Abrasion

65

When evaluating the occlusion, the dentist will ask the patient to close her teeth in ____ occlusion.

Centric

66

The patient exam is performed in a methodical manner so that no aspect of the examination is missed. The mnemonic to remember is S.O.A.P; this stands for:

Subjective, objective, assessment, and plan.

67

The conservation of human energy can be defined as:

Range of motion

68

The zones of actvity in four-handed dentistry include all of the following except the:

Patient's zone

69

When practicing ____ dentistry, it is important to have equipment and materials within reach of the operator and assistant.

Four-handed

70

Injury can occur when the dental assistant's are is moved to reach items that are not at a comfortable distance. This reach is called the ____ reach.

Horizontal

71

Should the dental assistant work with a thin and smooth handle dental instrument, a ____ grip is necessary to maintain hand and wrist health.

Light

72

To stretch your shoulders, chest, and elbow, you should repeat these motions often throughout the day:

Sit, fold your arms in front of you, and lean backward

73

When practicing four-handed dentistry, the patient light should be ____ feet above the patient.

3-5

74

When working on a dental procedure, the operator's face is approximately ____ inches from patient's face.

12-14

75

When considering good time management, the primary consideration when practicing four-handed dentistry during clinical procedures is called:

Motion economy

76

The operating zones are divided into four categories using the patient's face as a guide:

Operator's zone, assistant's zone, transfer zone, and static zone.

77

To maintain the classification of motion and correct positioning, the four-handed dental assistant utilizes ____ economy.

Motion

78

The EFDA is typically under the ____ supervision of the dentist.

Direct

79

The dominant hand utilizing the instrument should establish a:

Fulcrum

80

Class ____ restorations include lingual pits and fissures of the maxillary molars.

I

81

Class ____ cavity preparations include multi-surface restorations of a posterior tooth.

II

82

A mesio-occlusal (MOD) restoration is a type class ____ restoration.

II

83

Class ____ restorations will include the proximal edge and the incisal edge of anterior teeth.

IV

84

Class ____ restorations are found on the gingival thirdof the facial and lingual surfaces of all teeth.

V

85

A/n ____ is used to facilitate the fabrication of a custom bleaching tray from a model of the patient's teeth.

Vacuum former

86

It is critical for bonding to be placed in a ____ when placing composite resins to tooth surfaces.

Dry environment

87

Patients should be informed that tooth-whitening procedures can produce some ____.

Sensitivity

88

The portion of the Toffelmire that resembles a screw is the:

Spindle

89

The instrument of choice utilized when placing a wedge is/are the:

Cotton pliers

90

The smaller circumference of the matrix band will be placed toward the ____ portion of the tooth.

Cervical and gingival

91

The universal retainer is usually placed on the ____ side of the tooth.

Buccal

92

The occlusal edge of the matrix band forms the ____ loop.

Larger

93

Wedges are either ____.

Plastic or wooden

94

A dental matrix can be utilized for class ____ restorations.

All of the above

95

The advantage of using the sectional matrix system in the placement of composite resin restorations is:

The ability to access the restoration with the curing light.

96

A burnisher is used to adapt the band to the proximal tooth surface to create a/n:

Tight contact

97

When placing a sectional matrix, a piece of floss should be tied to the ____ to retrieve it from the patient's mouth should it become dislodged.

Tension ring

98

What is the overall length of a hand instrument?

Six inches

99

The design of the shank is ____ at an angle to reach a specific area of the mouth.

Straight or bent

100

Into how many categories are instruments classified?

Six

101

The formula on the handle of a dental instrument reads 13-8-14. What woudl this indicate?

The blade is 1.3mm wide and 8mm long, and the angle formed is 14/100 of a circle.

102

What type of vision is used when working on the maxillary posterior lingual surface?

Indirect vision

103

What dental instrument is used to locate faulty margins of an amalgam?

#23 explorer

104

Hand cutting instruments are used for:

Cavity preparation

105

The instrument that compresses amalgam into the cavity preparation is called:

An amalgam condenser

106

Composite placement instruments are autoclavable, and made from anodized aluminum, aluminum titanium coated stainless steel, or ____, and do not leave any discoloration on the newly placed composite.

Teflon

107

What handpiece is selected to be used for cavity preparation of retention grooves?

High speed

108

By keeping the procedure setups in____, the procedure will be smooth and instruments clean, and supplies at arms reach.

Tub and tray systems

109

The two most common grasps used when using the HVE are:

Pen and thumb to nose

110

The saliva ejector should be used with a/n ____ motion near the back of the throat.

Sweeping

111

The morcoorganisms that can accumulate in the dental unit water lines and can increase a patient's susceptibility to transmissible diseases are called:

Biofilm

112

The technique that involves the use of a triangular, absorbent pad is called:

Dry-angle

113

The gauges (thickness) of the dental dam range from:

Thin/light to medium and heavy

114

Working together as a team, the dentist and assistant can siccessfully place a dam in approximately ____ minutes.

two

115

The Ostby frame is made from:

Plastic

116

Maxillary incisors need the hole #____ punched, and the mandibular incisors utilize hole #____.

2; 1

117

Generally, the mandibular anterior teeth need the ____ hole and the maxillary molars need the ____ hole.

Smallest; largest

118

Wingless clamps are identified with names beginning with the letter:

W

119

The double bowed clamps are called the:

Cervical clamps

120

The ____ is the part of the dental forceps that is used to keep the handles in a fized position.

Sliding bar

121

The lubricants generally chosen by clinicians are:

Petroleum jelly or zinc oxide

122

What contains a filter trap that traps amalgam and other solid waste materials from entering the oral evacuator hose?

The Lingua-Fix