What does calcium hydroxide do?

Stimulates the production of reparative dentin

How should cement be placed into an indirect restoration for delivery?

Add a thin lining to cover all internal walls of the castings

The purpose of a state dental practice act is to offer

Laws to protect the public from incompetent dental healthcare providers

Dental varnish is used in the cavity preparation to

Seal dentinal tubules and reduce leakage aroun a restoration

Which of the following is a requirement of direct supervision?

Examination of the patient before and after the procedure

Protective bases are placed when its necessary to protect the pulp before the restoration is place because without it...

Postoperative sensitivity and damage to the pulp

Which of the following is not true of general supervision?

The dentist must be physically present when the procedures are preformed

Polycarboxylate cement ____.

Is less irritating to the pulp than zinc phosphate cement is

Based on the clock concept, the patient's face would represent what area?

The cent of the clock with the top of the head at the 12-o' clock position

Which category of dental assistant may fabricate a direct provisional restoration?

RDA under supervision defined by the dentist

What is the purpose of the arch wire

It is a pattern that gives th dental arch its shape

When the patient has a fixed prosthesis such as a three-unit bridge, the area under the Pontic is mainted by ____.

Threading dental floss under the Pontic with a bridge threader

Failure to place a protective base under a restoration can result in

Postoperative sensitivity and damage to the pulp

The DA may have the responsibility of placing the mixed cement into the casting. The cement should be loaded ___.

So that a thin lining covers all internal walls of the casting

The transfer zone is the area where

Instruments and dental materials are exchanged

The purpose of a tissue conditioner is to

Rehabilitate unhealthy tissue supporting a prosthesis

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1
What does calcium hydroxide do?
Consists of a resin in an organic solvent
Stimulates the production of reparative dentin
Cant be placed under composite resins because it will inhibit polymerizatio
functions as a tick base to support extensive restorations
2
How should cement be placed into an indirect restoration for delivery?
Fill to the top margin of the crown
Add a thin lining to cover all internal walls of the castings
Add a thin layer on the very bottom of the crown
Fill casting until it is overflowing
3
What is the purpose of irritation solutions in the RCT
All of the above
Bleeding control
Deodorizing the canal
Tissue dissolution
4
Which factors can cause pulpal nerve damage?
Physical irritation
Trauma
Poor nutritional habits
Both red and yellow
5
The purpose of a state dental practice act is to offer
Guidelines for dental assistants to follow
Protection for dentist from lawsuits
Guidelines for the moral conduct of the dental profession
Laws to protect the public from incompetent dental healthcare providers
6
Dental varnish is used in the cavity preparation to
Insulate the pulp from thermal changes
Seal dentinal tubules and reduce leakage aroun a restoration
Obtund pain
Stimulate growth or reparative dentin
7
The most common type of provisional coverage used for crown and bridge preparation is ____.
Custom made
The aluminum crown
The preformed polymer crown
The polycarbonate crown
8
___ is a medical condition in which the blood pressure is elevated
Anemia
anxiety
Hypertension
hypotension
9
A patient's blood pressure reading 80/46 indicates?
Hypotension
Hypertension
Hyperventilation
Hypoglycemia
10
You are asked to select a protective base for insulation that is non irritating under a composite restoration, which one
Zinc oxide-Eugenol
Polycarboxylate
Any of the above
zinc phosphate
11
Which of the following is a requirement of direct supervision?
Examination of the patient before and after the procedure
Examination of the patient before procedure but not after
Examination of the patient is not a requirement
Examination of the patient only after the procedure is complete
12
You are asked to select a base for a deep cavity that is uncomfortable due to extensive caries. Which would you choose
Zincphosphate
Poly carboxylate
Glass ionomer
Zinc oxide-eugenol
13
Which acronym is used to define a worker who might be exposed to infectious material?
RDA
DA
DHCP
RDAEF
14
placing gingival retraction cord requires which type of license?
RDH
RDAEF
DA
RDA
15
Which of the following is used to tie arch wire into the orthodontic brackets?
Wire ligatures
Elastomeric ligatures
Separating wire
Both red and blue
16
Protective bases are placed when its necessary to protect the pulp before the restoration is place because without it...
A premature contact on the restorative material
Occlusal trauma
Premature loss of the restorative material
Postoperative sensitivity and damage to the pulp
17
The duty of the dentist to treat people fairly is known as:
Justice
Justifiable
Veracity
Autonomy
18
Zinc phophate cement should be mixed
On a paper pad
On a cool glass slab
On a warm glass slab
With an amalgamator
19
Which of the following would be the material of choice as an insulating base as well as a sedative base?
All of the above
Zinc phophate
Zinc oxide-Eugenol
Polycarboxylate
20
Which cement is the most acidic and irritating to the pulp?
ZOE
Zinc phosphate
Glass ionomer
Composite resin
21
Which of the following is not true of general supervision?
The dentist must authorize the specific procedures to be performed
The dentist must be physically present when the procedures are preformed
The procedures must be performed by a legally qualified dental auxiliary
The dentist does not need to examine the patient before and after
22
When composite resin cement is used, the tooth must be ___.
Free of all plaque and debris
Sprayed with water before cementation
Both yellow and blue
Etched or treated with a bonding system
23
Which of the following cement types is/are the most versatile and the least irritating to the pulp?
Both blue and yellow
ZOE cement
Glass ionomer cement
Composite resin cement
24
Polycarboxylate cement ____.
Is generally used as a temporary sedative cement
Is less irritating to the pulp than zinc phosphate cement is
Gives off exothermic properties
Must be mixed on glass slab
25
Te area where the mesial or distal surface of the tooth touch the adjacent tooth in the arch is the
Contact area
Point angle
Embasure
Line angle
26
Materials that are versatile in their uses, such as specialized dental bases, are considered what?
Dental varnishes
Dental liners
Dental cements
Dental hydroxide
27
Based on the clock concept, the patient's face would represent what area?
The right of the clock with the head at the 3-o'clock position
None of the above
The left of the clock with the head at the 9-o' clock position
The cent of the clock with the top of the head at the 12-o' clock position
28
The vasoconstrictor added to lidocaine local anesthetic to prolong its effect is
Epinephrine
aspirin
Alcohol
Nitrous oxide
29
Which of the following would be the material of choice as an insulating base under a composite restoration?
Calcium hydroxide
Glass ionomer
Cavity varnish
Zinc oxide-Eugenol
30
Which category of dental assistant may fabricate a direct provisional restoration?
RDA under supervision defined by the dentist
DA under direct supervision
Dental assistant under general supervision
31
If used as a base, zinc phosphate requires the use of a liner first
True
False
32
The occlusal surface of the provisional coverage should be ___ the occlusal plane of the adjacent teeth
Above (supraocclusion)
Even with
Below (infraocclusion)
33
What is the purpose of the arch wire
It bonds directly to the teeth
It stabilizes the ends of a facebow
It holds inter arch elastics
It is a pattern that gives th dental arch its shape
34
When the patient has a fixed prosthesis such as a three-unit bridge, the area under the Pontic is mainted by ____.
Swishing with a mouthrinse
Brushing with a toothbrush
Threading dental floss under the Pontic with a bridge threader
Irrigation with a cannula
35
The DA has a duty to communicate truthfully and
Behave ethically, without a conflict of interest
Conduct themselves with honesty and integrity at all times
Report unethical acts to others
All of the above
36
Define patient autonomy
Patients must comply with suggested treatment by the dentist
Dentist have to respect the pt's rights to self-determination of treatmet
Patients have the right to determine what treatment i rendered
Both green and yellow
37
Unattached gingiva consists of the tissues from the top of the gingival margin to the
Base of the gingiva sulcus
Mucogingival junction
Crest of alveolar bone
Interdental gingiva
38
Failure to place a protective base under a restoration can result in
Premature loss of the restorative material
Occlusal trauma
Postoperative sensitivity and damage to the pulp
a premature contact on the restorative material
39
The DA may have the responsibility of placing the mixed cement into the casting. The cement should be loaded ___.
So that a thin lining covers all internal walls of the casting
To the top margin of the crown so that it is full
Into the casting until it is overflowing
Only on the very bottom of the crown
40
The arteries used for taking a pulse are the
Brachial, radial and femoral
Radial, brachial and carotid
Radial, carotid and femoral
Carotid, brachial and femoral
41
The transfer zone is the area where
Rear delivery takes place
The patient is moved into the dental chair
The dental unit is located
Instruments and dental materials are exchanged
42
Exogenous stains are caused by environmental sources and are classified into subdivides, which are?
Endogenous stains
Extrinsic stains
Intrinsic stains
Both red and yellow
43
Failure to complete mandatory continuing education units will result in:
Fines and suspension
Jail time
Non-renewal of licene
Fines only
44
Which cement is classified as a type 1 dental cement and holds together an indirect restoration and the tooth structure
Temporary cement
Luting cement
Liner
Provisional crown
45
Patients have the right to determine what should be done with their own bodies, is known as:
Confidentiality
Veracity
Professional conduct
Autonomy
46
When a denture is to be relined, an impression is taken using
A perforated stock ray
The patient's current denture
A solid stock tray
A custom tray
47
The purpose of a tissue conditioner is to
Rehabilitate unhealthy tissue supporting a prosthesis
Make a reline
Fabricate a duplicate denture
Make alginate impressions
48
Which type of cement is preferred for cement action of ceramic veneers?
Glass ionomer cement
Polycarboxylate cement
Composite resin cement
Zinc phosphate cement
49
The normal respiration rate for a relaxed adult is ____ breaths per minute
30 to 40
50 to 60
10-20
5-12
50
Which of the following is used to absorb solutions and dry the canal?
Paper points
Broaches
Rubber stops
Gutta-percha
51
When are temporary cements used?
Cementing veneers
Placing a provisional crown
Restoring teeth
cementing cast restorations
52
A veneer is applied to the ___ surface of a prepared tooth
Facial
Mesial
Incisal
Distal
53
The cement that gives off an exothermic reaction & must be spatulated over a wide area of a cool, dry, thick glass slab
Polycarboxylate
Composite resin
Zince phosphate
Zinc oxide-Eugenol (ZOE)
54
Who is allowed to remove orthodontic bands and remove excess cement from supragingival surfaces with a hand instrument?
RDAEF
RDA
DA
OA
55
A ___ is what a patient feels, a _____ is what you observe.
Symptom;sign
Observation;notation
Sign;symptom
Notation;observation
56
The term beneficence means
To do no harm
To do what benefits you
To do good
To do what benefits the patients
57
____ separators are placed between contacts with a "sawing" or flossing motion
Elastomeric
Brass wire
Wedge
Steel spring
58
Intermediate restorative material (IRM) is a
Ceramic
Composite resin
Zinc oxide-Eugenol cement
zinc polycarboxylate cement
59
What does calcium hydroxide provide for the tooth?
Functions as a thick base to support extensive restorations
Coverage of the pupal floor for insulation
Consists of a resin in an organic solvent
Stimulates the production of reparative dentin
60
Which factors influence the cementation procedure?
Temperature
Mixing time
All of the above
Humidity
61
When is tooth whitening o vital bleaching not indicated for a dental patient?
When a patient presents with aged teeth
When a patient has extrinsic stains from foods, cigarette smoking or coffee
Has intrinsic stains, such as mild tetracycline stains or mild fluorosis
When a patient presents with severe tetracycline and fluorosis stains
62
What is the medical term for fainting?
CVA
Syncope
Stroke
Seizure
63
Which instrument is used in the placement of elastomeric ligature ties?
Ligature-tying pliers
Pigtail explorer
Locking hemostat
Scaler
64
The choice of material for class II and class is restorations is which of the following?
Amalgam
Glass ionomer
zinc phosphate
Composite resin
65
The most common material used for custom provisional coverage is ____.
Light-cured composite resin
Alginate
Polycarbonate shells
Self-curing acrylic resin
66
What is indirect vision?
The object being viewed in reverse
Both red and blue
"Straight on" visual effect
Viewing an object with a mirror
67
Examing of cheek, mucosa, lips, palate, tonsil area, tongue & floor of the mouth to detect abnormalities is the ___ exam
Hard tissue
Oral mucosa
Soft tissue
Oral cavity
68
Most emergencies in the dental office occur
When the patient arrives or immediately thereafter
After the procedure is completed and the patient is dismissed
During or immediately after administration of local anesthesia
When the patient completes the health history form
69
specializes in the prevention, diagnosis and tx of the dental pulp and the tissues that surround the root of the tooth
Endodontist
Periodontist
Prosthodontist
Oral surgeon
70
Class II restorations are found on ____
Posterior teeth
Anterior Teeth
Canines
Incisors
71
The finger rest that stabilizes the hand so that there is less possibility of accidental slips is called a
Leverage point
Fulcrum
Base rest
Pivot point
72
Acid etching utilizes etchant containing ___ acid.
Sulfuric
Phosphoric
Citric
Hydrochloric
73
When an endodontist obturates a canal, what are they doing?
Partial removal of the pulp
Removing a nerve of the tooth
Filling the canal with gutta percha
Performing a pulp cap on the tooth
74
When using zinc-phosphate cement as a base, why should a liner be placed prior to placing the base?
Phosphoric acid in the zinc phosphate is irritating to the pulp
zinc phosphate should not be used as a base
75
Glass Ionomer can be used for Class ____ restorations
IV
V
II
III
76
Competency means
Being well qualified to perform a specific task independently
Being well qualified to perform a specific task under direct supervision
Being well qualified to perform a specific task under general supervision
77
Who can remove orthodontic bands and remove excess cement from supragingival surfaces with a hand instrument
DA
OAP
RDA
RDAEF
78
What is the primary advantage of noneugenol periodontal dressing over periodontal dressing that does contain Eugenol?
Some patients are allergic
The Eugenol-containing dressing is supplied in two tubes
The noneugenol material can be mixed and stored in advanced
Only The noneugenol dressing will protect newly forming tissues
79
Insulating base material should cover the entire ___ t the thickness of ____ mm
Cavity preparation; 2 to 3
Cavity preparaction; 1 to 2
Pulpal floor; 3 to 4
Pulpal floor; 1 to 2
80
Which statement typifies the vitalometer (electric pulp tester)
It is able to determine whether one canal is vital and other non vital
It is battery operated, which can weaken over time and give false readings
It is not affected by the size of the restorations on a tooth
It is the most reliable means of testing for pulp vitality
81
The smear layer is composed of ____.
An oxygen-inhibited layer on the surface of cut dentin
Particularly dense enamel at the dentino0enamel junction
A very porous layer of cut ends of dentinal tubules
A very hin layer of debris remaining on the dentin after cavity preparation
82
Which type of cement is preferred for cemenration of ceramic veneers?
Zinc phosphate
Glass ionomer
Composite resin
Polycarboxylate
83
Which of the following represents an endogenous stain?
Tetracycline stain
Dental amalgam that Has been incorporated into the tooth structure
Coffee
Blueberries
84
What is the purpose of a fulcrum
to reduce the possibility of slipping or traumatizing tissues of the mouth
To stabilize the hand
A finger rest
All of the above
85
Wire ligatures should be twisted and cut leaving ___ mm pigtail
4 to 5
1 to 2
3 to 4
2 to 3
86
The final step after cementing the provisional coverage is
Taking a periapical radiograph
Removing the gingival retraction cord
Checking the occlusion
Polishing the provisional
87
An instrument used to evaluate pocket depth during examination and charting of the periodontium is a
Explorer
Periodontal probe
scaler
periodontal scaler
88
If a tooth has ____, an intermediate restorative material should be selected.
Been prepared for a cast restoration
Been prepared for a porcelain veneer
A missing cusp
Lost a restoration
89
The portion of the tooth that is visible in the mouth is the
root
clinical crown
anatomic crown
cementum
90
Which of the following are advantages to use glass Ionomer as a restorative material?
Loss of glass indicated a proper mix
Releases fluoride
Has the ability to bind teeth mechanically rather than chemically
There is no need to avoid contact with water during the mixing procedure
91
Chemical liquid sterilization requires at least ___ hours of contact time for sterilaztion to occur
20-24
3-5
8-10
1-2
92
Taking impressions for tooth-borne removable prosthesis is allowed by which type of assistant?
RDAEF
RDA
DA
DA with sedation permit
93
Which of the following is used to place elastic separators
Hemostat
Elastic separating pliers
either red or yellow
Dental floss
94
All dentist have the obligation of keeping their knowledge and skills current, is known as
Beneficence
Veracity
Nonmaleficence
Justice
95
When one or more teeth are missing from the same arch, a permanent ___ is recommended
Fixed bridge
Porcelain-fused-to-metal crown
Denture
Partial denture
96
Prefabricated temporary crowns ___
Made of polycarbonate are used where appearance is important
Are available in cast gold
Can be used for posterior but not anterior preparations
Are available in porcelain fused to metal
97
A RDA is allowed to perform the functions of an unlicensed DA under the supervision level determined by the dentist
True
False
98
How long is etchant material applied to the tooth being prepared for use of a bonding material?
It is left on the tooth and is sealed in under the restorative material
1 minutes
15-20 seconds
5-10 seconds
99
What is the principle of nonmaleficence?
To do no harm to any patient
To help disabled patients
To do good to all patients
100
What instrument is used to disengage wire ties when removing an arch wire
Mosquito hemostat
Explorer
Howe pliers
Ligature cutter

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