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Chapter 3,13,59term2
What is the minimal length of education for dental assisting program
An EFDA is an:
Chapter 3,13,59term2
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1
An EFDA is an:
expanded-functions dental assistant.
educational foundation dental assistant.
experienced-functions dental assistant
extra-functions dental assistant.
2
What is the minimal length of education for dental assisting program
Onsite training
2 year training
No training needed
1 academic year w didactic, laboratory, and clinical content
3
Failure to have calculus deposits removed by a dental prophylactic can result in
Mottled enamel
Herpies
Periodontal disease
Hyposplasia
4
Tetracycline discoloration
Can occur at any age
Caused by excessive amount of tetracycline
Is an intrinsic stain
Is intrinsic and caused by excessive amount of tetracycline
5
A qualified clinical assistant can work in all the following ways EXCEPT:
in six-handed dentistry
as an EFDA.
in four-handed dentistry.
substitute as a dental hygienist
6
Calculus is
Can be removed by an RDA
None of the above
Only removed by coronal polishing
A hard deposit
7
# caries causing bacteria in the mouth ⬆️, risk 4developing dental caries also ⬆️
True
False
8
the term for the dissolution of calcium and phosphate from the tooth?
Secondary
Demineralization
Retracting
9
The most highly mineralized tissue in the body is:
dentin
bone
Enamel
cementum
10
What are two patient safety precautions to keep in mind when one is using sealants
All of the above
Do not use on patients with acrylic allergies
None of them
avoid exposure to u cured resin
11
An unfilled sealant material does not require an occlusal adjustment after placement
False
True
12
During remineralization _ found in saliva, work together replace some of minerals been lost.
calcium, fluoride, and phosphate
calcium and fluoride
iron, fluoride, and phosphate
None of the above; fluorides work alone
13
What is the purpose of dental sealants?
prevent dental caries in the pits and fissures
To help create caries in pits and fissures
14
The term for dental caries that occurs under or adjacent to existing restorations is:
rampant
cavitated
incipient
recurrent
15
sealants are -percent effective in protecting development of cavities in sealed tooth surfaces
70
80
100
60
16
What determines the effectiveness of dental sealants?
Sealant pressure
Sealant retention
Sealant material
17
What is fulcrum
A convenient grasp
Used on the patients cheek
For edentulous areas
A finger rest for support
18
pit/fish sealant material is supplied as a base and catalyst and must be mixed before placement
Light-cured
Self-cured
Both A and B are correct.
19
True or False: The purpose of filler material in the sealant is to increase occlusal wear.
False
True
20
What is the reason for putting fluoride in dental sealant material?
remineralize incipient enamel caries
creat a fluoride rich layer at the base of the sealant
All of the above
None of the above
21
Which of the above two types of bacteria is most responsible for dental caries
Herpies
lactobacilli
Mutant streptococcus
Hepatitis B
22
Name the members of the dental healthcare team.
Hygienist, assistant
All of the above
Dentist
dental laboratory technician
23
The specialty concerned with the restoration and replacement of missing teeth is:
prosthodontics
periodontics
endodontics
oral surgery
24
What is the mineral in the enamel that makes the crystal easier to dissolve?
Carbohydrates
Acid
Carbonated apatite
25
A pit-and-fissure sealant should not be placed if a tooth has:
obvious dental decay.
proximal carious lesions.
Both A and C are correct.
deep pits and fissures.
26
2Name the nine dental specialties
oral and maxillofacial surgery, oral pathology, orthodontist
Dental public health, endodontics, prosthodontics
All of the above
oral and maxillofacial radiology, pediatric, periodontics,
27
What three protective mechanisms are produced by saliva?
Physical
chemical
antibacterial protection
All of the above
28
Sealants that release fluoride after polymerization
All of the above
are not presently available.
prevent remineralization of incipient caries.
fluoride-rich layer at the base of the sealed groove
29
Define general supervision
Consent from the doctor via phone
Dentist is physically present
Dentist does not need to be present and has given direction
Dentist is not in the building
30
Early childhood caries is:
preventable.
transmissible.
more common among children with special needs.
All of the above
31
What is the term for rapid and extensive formation of caries
Secondary caries
Apex caries
Rampant caries
32
The specialty concerned with the nature of diseases affecting the oral structures is
oral pathology
orthodontics
endodontics
periodontics
33
Is there a difference in retention rates between filled and unfilled sealants?
Filled= lower wear rate on occusal surfaces
UnFilled= lower wear rate on occusal surfaces
UnFilled= higher wear rate on occusal surfaces
Filled= higher wear rate on occusal surfaces
34
Dental caries is a(n):
disease reported in history.
communicable disease/ infectious disease
All of the above.
untreated disease in kid w a ⬆️ prevalence rate than asthma.
35
2Why are pits and fissures susceptible to caries?
To small for even one tooth brush bristle
All of the above
They do not benefit from fluoride
36
Who can legally remove calculus in CA
RDA
RDAEF
DA
DDS
37
Why are exposed root surfaces more susceptible to caries than enamel?
None of the above
more soluble
less mineral content
A and b
38
The procedures a dental assistant can perform are determined by
state law.
ADA
federal law
the dentist
39
factors necessary for the formation of dental caries
a diet rich in fermentable carbohydrates
specific bacteria
A susceptible tooth
All of the above
40
What is the minimal length of education for dental hygiene licensure?
3 years
2 years
1 year
4 years
41
Orthodontics is the dental specialty that deals with:
treatment of pulpal diseases of the teeth.
dental health problems on a community level.
diagnos,treat.,prevent malocclusions of 🦷 /oral structure
treatment of diseases of the surrounding tissues.
42
What is the minimal length of education for dental laboratory technician program?
Training through apprenticeship, commercial schools
Most states they are not required to have formal education
All of the above
43
Prevention of dental caries includes:
an antimicrobial oral rinse.
increasing salivary flow.
All of the above.
decreasing fermentable carbohydrates in the diet.
44
The minimal education required for dental hygiene licensure is
5 years in an accredited hygiene program
3 years in an accredited hygiene program
4 years in an accredited hygiene program
2 years in an accredited hygiene program
45
Colonies of bacteria embedded in an adhesive layer is called:
Mutans streptococci
plaque
pellicle
All of the above.
46
What is the soft, sticky bacterial mass that adheres to the teeth?
Her pies
Plaque
Gingivitis
Caries
47
Should sealants be the only preventive measure used?
No
Yes
48
Sealants are placed to:
provide interceptive orthodontics
replace the use of topical fluoride
stop the progression of decay.
prevent decay on erupted teeth.
49
What is used to remove plaque interproximally
Soft bristle tooth brush
All the options are correct
Floss
Abrasive strips
50
Which of the following causes stains that can be extrinsic or intrinsic
Green stains
Tobacco stains
Tetracycline stain
Fluorosis
51
The removal of calculus, plaque, and stains
Oral prophylactic
Curretage
Coronal polishing
Sanitation
52
What polishing agent is used for gold and metal restoration outside of the mouth
Stannic oxide
Tin oxide
Rouge
Putty powder
53
What two types of bacteria primarily cause dental caries?
Mutation streptococcus
Streptokinase and herpies
Herpies hiv
Mutant streptococcus and lactobacilli
54
What is the range of shelf-life of sealant materials?
18-36 months
3 years
1 year
12-18months
55
Which types of bacteria are responsible for dental caries?
Mutans streptococci
A and C
Candidiasis
Lactobacilli
56
Before the coronal polishing procedure begins what should the dental assistant do?
Perform the fluoride treatment
Disclose and evaluate the oral cavity
Scale teeth
Floss
57
All of the following are part of the dental health team EXCEPT the
Dental hygienist
Dentist
Patient
Dental assistant
58
Disclosing agent that are contradicted for patients with diabetes
Plaque check
Dis plaque
Trace solutions
Iodine solution
59
A dental laboratory technician
works by prescription of the dentist.
usually works in a dental office in the lab
always owns his/her own business.
must be a graduate of a 2-year lab tech program.
60
Mutans streptococci are transmitted through saliva, most commonly the mother's, to the infant
True
False
61
What material gives luster to tooth surfaces, removes stains, and removes plaque
Polishing agent
Disclosure agent
Fluoride gel
62
The earliest stage of dental caries is:
cavitation
incipient
rampant
frank
63
specialty concerned with promoting dental health through organized community efforts
denteal public health
endodontics
pediatric dentistry
oral pathology
64
What is required before a dental laboratory technician can perform a task?
Pass exam
Written prescription from the dentist
3 year accredited schooling
65
The oral cavity of newborn children does not contain any mutans streptococci
False
True
66
Decay that develops rapidly and is widespread throughout the mouth is:
incipient caries.
rampant caries
xerostomia
cavitation
67
atient has badly decayed teeth, it _ possible for remineralization to reverse the decay process
Is
Is not
68
Plaque is made up of
Saliva
Bacteria
All of the above
Food debris
69
the term for caries that occurs under or adjacent to existing dental restorations
Recurring
First
Secondary or recurrent caries
Secondary
70
specialty concerned with diseases of the supporting and surrounding tissues of the teeth
pediatric dentistry.
periodontics
prosthodontics
endodontics
71
Acid etchants used in the placement of dental sealants should avoid contact with :
All of the above
skin
oral soft tissue.
eyes
72
Supporting services for a dental practice would include all of the following EXCEPT a
drug company detail personnel.
sterilizing service.
dental supply personnel
dental equipment technician.
73
Endogenous stains
Are chromogenic bacteria stains
Originate outside the tooth
Are extrinsic and can be removed by polishing
Are always intrinsic and are not removed by polishing
74
Why is clear sealant material less desirable?
tinted material is harder to see during application
tinted material is easier to see during application
75
True or False: The primary cause of sealant retention failure is moisture contamination
False
True
76
A stain that may be found primarily in clean mouths of females and children
Orange line
Black line
Brown line
Green line
77
which is considered general rules for the proper storage and use of dental sealant materials
All of the above.
Replace the cap on syringes and bottles immediately
Store at room temperature.
Do not expose to light or air.
78
The most common extrinsic stain is
None of the above
Black
Metallic
Yellow
79
Loss of minerals from the tooth surface is called:
cavitation
demineralization
incipient caries.
remineralization
80
What are the two types of polymerization
Self cured
Self cured and light cured
Heat cured and self cured
Light cured
