Diagnostic/Laboratory Procedures and Dental Materials ( 21 Questions)
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Which of the following materials can change from the gel state to the sol state and back to the gel state?
Agar hydrocolloid.
Fast set irreversible hydrocolloid has a setting time of how many minutes?
1-2 min
The process of mixing cements to a primary consistency is known as
Luting
Which elastomeric impression material may be used when accuracy and dimensional stability are required?
Polyvinyl siloxane.
Wet (or moist) bonding is a technique used to protect which part of the tooth?
Dentin
A properly etched tooth surface will appear
Frosty
The hemisection procedure is used to remove
one root and overlying crown.
Elastomeric materials supplied as a base and a catalyst are
Self- Cured
Because of its sedative properties, which of the following materials is the best choice for a temporary restoration?
IRM
A cavity varnish is used to
seal the dentinal tubules of the cavity preparation.
The purpose of etching dentin is to remove the
smear layer.
Which of the following dental cements is chosen based upon its sedative effects on the pulp?
ZOE
Which of the following cements MUST be mixed on a cool, dry glass slab?
Zinc Phospate
Which of the following cements is most often used as an intermediate restorative material?
Zinc oxide-eugenol.
Which of the following is used for the treatment of alveolitis?
Iodoform gauze.
An exothermic reaction occurs during the mixing of which cement type?
Zinc phosphate.
To store premixed zinc oxide-eugenol periodontal dressing, it should be wrapped in
waxed paper and frozen.
Which of the following materials is placed as a pulp cap when it is suspected that a small exposure of the pulp has occurred?
Calcium hydroxide.
Which of the following materials CANNOT return to the sol state after becoming a gel?
Alginate.
The working time for fast-set alginate impression material is
1-2 minutes.
Alginate is most commonly used for which type of impressions?
preliminary
...
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Patient Management and Administrative Duties (40 questions)
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Before applying or using an anesthetic, the patient's record should always be reviewed to avoid
low blood pressure.
hypertension.
allergic reaction.
abnormal pain.
allergic reaction.
Which of the following behavior management techniques are effective in providing dental care to a 7-year-old patient?
Tell, show, then do.
Assure the child the procedure will not hurt.
Treat the child as an adult.
Avoid allowing procedure participation.
Tell, show, then do.
Which type of oral infection presents as a smooth red lesion that typically follows the use of an antibiotic?
Pseudomembranous candidiasis
Hyperplastic candidiasis
Infantile candidiasis
Atrophic candidiasis
Atrophic candidiasis
Which of the following would be recommended by the dentist if a patient is experiencing a canker sore?
Prophylactic antibiotics
Sublingual nitroglycerin
Topical anesthetic
Antifungal agents
Topical anesthetic
Which of the following materials would allow the longest working time when constructing a custom impression tray?
Vacuum-formed acrylic resin
Light-cured acrylic resin
Thermoplastic acrylic resin
Self-cured acrylic resin
Light-cured acrylic resin
Elevating the patient's feet above the head to increase blood flow to the brain is the response to what medical condition?
Heart problems
Syncope
Diabetes
Allergic reaction
Syncope
Which of the following is a type III gypsum used for orthodontic models?
High-strength expansion stone
Impression plaster
Model plaster
Dental stone
Dental stone
What action should be taken for a pregnant patient experiencing orthostatic (postural) hypotension?
Place her in a subsupine position.
Administer sublingual nitroglycerin.
Turn her on her left side.
Prepare an ammonia inhalant.
Turn her on her left side.
For a patient who becomes increasingly anxious and exhibits difficulty breathing including coughing and wheezing, what drug should be administered?
Nitrous oxide
Insulin
Nitroglycerin
Bronchodilator
Bronchodilator.
Leukoplakia is likely to be a condition of which of the following patient habits?
Oral piercing
Tobacco use
Over-brushing
Alcohol use
Tobacco use
What is the MOST critical step for the successful treatment of an avulsed tooth?
Allowing the tooth to re-erupt naturally
Administering a preoperative antibiotic
Replanting the tooth quickly
Performing pulp vitality testing
Replanting the tooth quickly
Clinical considerations for patients with bronchial asthma should include
avoiding the use of sedatives.
shorter appointments to reduce stress.
paying attention to vinyl use.
paying attention to vinyl use.
shorter appointments to reduce stress.
Which of the following oral diseases may be transmitted with or without the presence of active lesions?
Hairy leukoplakia
Aphthous ulcers
Herpes simplex
Lichen planus
Herpes simplex
Due to its blood-thinning properties, aspirin use is CONTRAINDICATED for patients diagnosed with
heart disease.
diabetes.
arthritis.
hemophilia.
hemophilia.
A patient with which of the following medical conditions may benefit from prophylactic sublingual nitroglycerin?
Cardiovascular disorders
Pulmonary disorders
Neuromuscular disorders
Endocrine disorders
Cardiovascular disorders
Which of the following describes the best way to remain approachable to an anxious patient?
Work quickly
Encourage quiet
Work slowly
Encourage questions
Encourage questions
Which of the following modifications/additions may be included to avoid seating a custom tray too deeply?
Handles
Adhesive
Stops
Resin
Stops
Which type of wax may be beneficial when pouring diagnostic casts?
Casting
Utility
Baseplate
Boxing
Boxing
Which of the following solutions is contraindicated for the storing of a relined prosthesis?
Warm water
Nonalcoholic mouthwash
Undiluted bleach
Salt water
Undiluted bleach
Emergency preparedness includes posting which phone numbers next to each telephone throughout the dental practice?
Health department and hospital
State dental board and CDC
Local physician's office and poison control
Local police, EMS and fire department
Local police, EMS and fire department
Sublingual nitroglycerin is administered for which medical emergency?
Anaphylaxis
Hyperglycemia
Asthma attack
Angina attack
Angina attack
In the procedure to construct a custom acrylic tray for the edentulous impression, the purpose of the wax spacer is to...
prevent the acrylic from sticking to the gypsum.
compensate for shrinkage of the gypsum model.
smooth the alveolar areas of the tray.
allow room for the impression material.
Which of the following is the best approach for calming a dissatisfied patient?
Employ humor to defuse the anger
Interrupt to explain the situation
Walk away and notify the dentist
Listen carefully and silently
Listen carefully and silently
The role of the dental assistant with patients should include
prescribing a sedative to the patient.
making the patient feel comfortable.
referring patient questions to business office staff.
diagnosing a patient medical emergency.
making the patient feel comfortable.
Nitrous oxide/oxygen analgesic is CONTRAINDICATED for patients with
cardiovascular disease.
metabolic disorder.
chronic pulmonary disease.
blood disorder.
chronic pulmonary disease.
The depth of the base portion of the properly trimmed diagnostic model should be
3/4 the total depth of the model.
1/2 the total depth of the model.
2/3 the total depth of the model.
1/3 the total depth of the model.
1/3 the total depth of the model.
syncope is another term for
fainting
To help relax a patient appearing tense in the dental chair, the dental assistant should encourage the patient to
close his or her eyes.
squeeze the dental chair armrest.
listen carefully.
breathe slowly and deeply.
breathe slowly and deeply.
A patient whose medication profile indicates that he is taking an angiotensin-converting enzyme (ACE) inhibitor or diuretic would likely have what medical condition?
Epilepsy
Hypertension
Angina pectoris
Diabetes
Hypertension
In four-handed dentistry, the area surrounding the patient's oral cavity is often divided into
two fields of operation.
an equipment zone.
four activity zones.
three clinical zones.
four activity zones.
What modification in treatment should be followed to prevent a medical emergency for a patient with emphysema?
Administer sublingual nitroglycerin.
Do not fully recline the chair.
Administer prophylactic antibiotics.
Do not use local anesthetic.
Do not fully recline the chair.
Which of the following forms of oral cancer first presents as a clinically visible lesion on soft tissue?
Sarcoma
Carcinoma
Radionecrosis
Leukemia
Carcinoma
Which of the following is one sign of anaphylactic shock?
Rise in blood pressure
Itching
Respiratory distress
Erythema
Respiratory distress
Use of lidocaine HCI 1:50,000 local anesthetic should be avoided on patients with what medical condition?
Recent myocardial infarction
Uncontrolled diabetes mellitus
Recent joint replacement
Uncontrolled hypothyroidism
Recent myocardial infarction
Plaster is a form of which dental product?
Elastomers
Hydrocolloid
Gypsum
Wax
Gypsum
The water-to-powder ratio used when mixing type III dental stone should be
0.50 (50:100).
0.30 (30:100).
0.60 (60:100).
0.23 (23:100).
0.30 (30:100).
Which of the following medical conditions increases a patient's risk of infective endocarditis?
Diabetes mellitus
Prosthetic joint replacement
Cardiac valve replacement
Muscular dystrophy
Cardiac valve replacement
The dental office emergency kit should be
routinely checked every two years.
on a high shelf out of the way.
checked and refilled daily.
in a central location with easy access.
in a central location with easy access.
A patient with what medical condition may benefit from prednisone and diazepam to control muscle spasms during dental treatment?
Multiple sclerosis
Diabetes mellitus
Angina pectoris
Cerebrovascular accident
Multiple sclerosis
If a patient is complaining of unexplained chest pain it should be treated as a potential
myocardial infarction.
GERD flare-up.
stroke.
angina attack.
myocardial infarction.
Four-Handed Chairside Dentistry (110 questions)
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What type of orthodontics is practiced when using a fixed or removable appliance that is applied to a crossbite?
Corrective
Interceptive
Limited
Preventive
Interceptive
What procedure will prevent the leakage of saliva when placing a dental dam for moisture control?
Inverting the edges of the dental dam
Using stabilizing cord between the contacts
Lubricating the underside of the dental dam
Placing a softened wax compound
Inverting the edges of the dental dam
Which of the following anatomical structures supports the tooth's position in the maxilla or mandible?
Apical foramen
Cementum
Dentin
Alveolar bone
Alveolar bone
When selecting pastes for the coronal polishing procedure, it is most important to consider the
grit.
taste.
color.
brand.
grit.
What instrument would be used to smooth the edges of a stainless steel crown after adjusting its height?
Contouring and crimping pliers
Green stone
Crown and bridge scissors
Inverted cone bur
Green stone
Adjustment of which of the following is a CONTRAINDICATION for use of a laboratory bur?
Partials
Composites
Dentures
Custom trays
Composites
Which classification of motion includes movement of the fingers, wrist, and elbow?
Class II
Class III
Class IV
Class V
Class III
When seating and positioning the patient for dental treatment, the dental assistant should apply personal protective equipment
prior to picking up the chart and reviewing the patient's treatment.
after applying the bib and positioning the chair and dental
after applying the bib and positioning the chair and dental light.
When filing patient records, which of the following would come first in the alphabetic sequence?
Jane Ann Smith
Jane Smith
Jane A. Smith
J. A. Smith
J. A. Smith
How long should topical fluoride gel remain in contact with the teeth for optimal effectiveness?
4 minutes
6 minutes
5 minutes
7 minutes
4 minutes
What does the dental assistant do with his/her right hand when assisting a right-handed dentist during a procedure?
Receive instruments
Hold the suction
Pass the instruments
Use the three-way syringe
Hold the suction
When portable equipment such as curing lights and nitrous oxide machines are used, in which zone of operation are they placed?
Assistant's zone
Operator's zone
Transfer zone
Static zone
Static zone
The primary cause of failure of pit and fissure etched surfaces is
applied sealant.
moisture contamination.
use of cotton rolls.
excess polishing.
moisture contamination.
A plastic matrix strip is used to adapt the shape of a tooth for a(an)
composite.
amalgam.
denture sealant.
liner.
composite.
What color of symbols should be used when charting treatment that needs to be completed in the patient's clinical record?
Black
Blue
Green
Red
Red
Which of the following bur numbers designates a straight fissure plain cut bur?
56
18
34
75
56
Which nerve must be blocked with local anesthesia to numb the posterior palatal region?
Intraorbital
Nasopalatine
Greater palatine
Incisive
Greater palatine
When assisting in the maxillary posterior region, the dental assistant should secure the cotton roll
next to the first premolar.
in the mucobuccal fold.
vertically against the cheek.
lingual to the first molar.
in the mucobuccal fold.
When transferring instruments with hinges such as surgical forceps and scissors, the assistant should
grasp the handles and pass the hinges to the dentist's palm.
position the instrument on the bib for the dentist to pick up unassisted.
grasp the distal e
grasp the hinges and direct the handles to the dentist's palm.
The dental team can help meet patients' needs by
disregarding complaints.
delaying the appointment.
making humorous remarks.
encouraging questions.
encouraging questions.
When properly positioned on the stool, the assistant sits
fourteen to sixteen inches from the patient's oral cavity.
with feet resting flat on the floor.
four to six inches above the operator.
with knees facing the patient head rest.
four to six inches above the operator.
Which of the following is the correct manner for passing an instrument to a right-handed dentist using the two-handed instrument transfer technique? Pass the instrument with the
right hand, picking it up by the working end.
left hand, picking it up by the
right hand, picking it up by the working end.
When working with a right-handed dentist, the 12 to 2 o'clock position is known as the
static zone.
assistant's zone.
transfer zone.
operator's zone.
static zone
A correctly fitting impression tray has sufficient depth to leave a minimum occlusal/incisal clearance of
1.5 mm
1.0 mm
0.5 mm
2.0 mm
2.0 mm
When retrieving an instrument from the dentist, the instrument should be placed
back on the tray setup in its proper order of use.
in a container of holding solution placed near the tray.
back on the tray setup behind any unused instruments.
in the transf
back on the tray setup in its proper order of use.
When assisting a left-handed dentist, the dental assistant should hold the oral evacuator tip with
the right hand.
the left hand.
both hands simultaneously.
the left hand.
To prevent the dental dam from slipping, when applying a dental dam the dental assistant should attach a ligature to the
tooth.
forceps.
clamp.
frame.
clamp.
When picking up an instrument to pass using a single-handed technique, the dental assistant grasps the
middle of the instrument.
instrument on the end opposite the working end.
working end of the instrument.
instrument in the most comfortable spot.
instrument on the end opposite the working end.
Which of the following should be included when using a matrix during a Class II restoration?
Mylar strip
Floss threader
Wedge
Widgit
Wedge
Which of the following would be included in the setup for the removal of an impacted third molar?
Retraction cord
Spoon excavator
High-speed handpiece
Dental dam clamp forceps
High-speed handpiece
Vitality response by use of a low-frequency current involves which of the following procedures?
Radiographic imaging
Thermal sensitivity testing
Electronic pulp testing
Percussion and palpation
Electronic pulp testing
During the removal of cotton rolls, the air/water syringe is used to
prevent gingival damage.
prolong the life of the restoration.
prolong cotton roll use.
prevent mucosal tear.
prevent mucosal tear.
Which biopsy procedure involves removal of the entire lesion along with normal adjacent tissue?
Incisional
Exfoliative
Excisional
Aspirational
Excisional
The correct sequence of items for a Class III composite restoration tray, based upon order of use is
abrasive strips, bonding agent, Mylar matrix strip, shade guide.
shade guide, Mylar matrix strip, bonding agent, abrasive strips.
bonding agent, Mylar mat
shade guide, Mylar matrix strip, bonding agent, abrasive strips
Which of the following instruments will be passed in a manner for the dentist to employ a palm grasp?
Kirkland knife
Rongeurs
Cotton pliers
Amalgam carrier
Rongeurs
If an employee has an exposure incident, documentation of the incident needs to be maintained in the employee record for the length of employment plus
30 years.
five years.
15 years.
one year.
30 years.
When seating a patient in the dental treatment room, the patient's personal items should be placed
at the left side of the dental chair within reach.
in the static zone behind the patient.
in the patient's lap under a protective apron.
in a safe place awa
in a safe place away from the procedure.
The most critical aspect of effective communication is the ability to implement
empathy skills.
nonverbal skills.
listening skills.
questioning skills.
listening skills.
Which of the following would be included in the tray setup for the delivery of a full denture?
Prophy cup and paste
Articulating paper and holder
Saline solution
Dental compound
Articulating paper and holder
When providing patient education to the hearing-impaired patient, the communicator should
provide written materials and avoid speaking.
show pictures and speak loudly.
consult the dentist before speaking.
make eye contact and speak slowly.
make eye contact and speak slowly.
An overdose of topical anesthetic spray may cause
hypersecretion of the salivary glands.
absorption in the bloodstream.
alleviation of pain.
an increased gag reflex.
absorption in the bloodstream.
The use of dry angles during moisture control activities controls saliva flow from
the ducts of Bartholin.
the ducts of Rivinus.
Stenson's duct.
Wharton's duct.
Stenson's duct.
The primary purpose of activating the scavenger system during nitrous oxide/oxygen administration is to
prevent the oxygen tank from inadvertently shutting off.
limit the amount of nitrous oxide released in the treatment room.
help to create a full seal w
limit the amount of nitrous oxide released in the treatment room.
Which of the following would be included in the setup for the cementation of an orthodontic band?
Scaler
Tofflemire retainer
Distal end cutter
Mosquito hemostat
Scaler
To prevent alveolitis after a tooth extraction, the patient should be instructed to
avoid drinking through a straw.
place ice packs on the face.
take aspirin for the first 24 hours.
rinse vigorously the first 24 hours.
avoid drinking through a straw.
Proper ergonomic positioning when working from the operator's location includes
keeping the feet arched behind the hips.
positioning the elbows close to the body.
holding the elbows at a 45-degree angle from the shoulders.
keeping the thighs angled downwa
positioning the elbows close to the body.
When a patient is referred to a specialist for treatment, the assistant should
send a copy of the pertinent information to the specialist.
have the patient sign a copy of the office HIPAA Privacy Policy.
send the patient's original patient record to the s
send a copy of the pertinent information to the specialist.
Which of the following is an example of an Expandable dental supply
Diamond bur
An intermediate local anesthesia administered to a patient will have a duration time of
60-90 minutes.
120-240 minutes.
245-310 minutes.
30-45 minutes.
120-240 minutes.
Which local anesthetic solution would have the longest duration (half-life)?
Mepivacaine HCl
Mepivacaine HCl 1:20,000
Lidocaine HCl 1:100,000
Lidocaine HCl 1:50,000
Mepivacaine HCl 1:20,000
What factor will be considered when determining the reorder point for dental supplies?
Price break
Shelf life
Reorder quantity
Lead time
Lead time
Consent for dental treatment of minors should be obtained from the
office manager.
dentist.
legal guardian.
school record.
legal guardian.
In performing suture removal, care should be taken to prevent
using antiseptic on the tissue.
cutting the suture.
retention of resorbable sutures.
pulling the knot through the tissue.
pulling the knot through the tissue.
Which of the following should be done FIRST if an adult patient does not have a pulse?
Administer oxygen
Call for emergency assistance
Call the patient's medical doctor
Administer CPR
Call for emergency assistance
The air/water syringe is primarily used during the coronal polishing procedure to
encourage drying of the mucosa.
irrigate the oral cavity.
dry the tooth surfaces.
remove the remaining paste.
remove the remaining paste.
Which of the following types of consent would be the most beneficial defense in a lawsuit claiming suffering?
Written
Verbal
Restrictive
Implied
Written
Which of the following medical conditions is a contraindication for using nitrous oxide?
Diabetes
Angina
Hypertension
Emphysema
Emphysema
The employee who receives insurance as a benefit through an employer is considered to be the insurance
carrier.
beneficiary.
subscriber.
provider.
subscriber.
If an error is made in the patient written record while documenting treatment, the assistant should
draw a single line through the error and initial.
block out the incorrect information completely.
have the dentist make the correction .
ask the office man
draw a single line through the error and initial.
When assisting in the electronic pulp vitality test, which tooth is measured first?
Suspect tooth
Mandibular first molar
Control tooth
Maxillary first molar
Control tooth
Which of the following is used to describes the jaws closed in a position that produces maximal stable contact between the maxillary and mandibular teeth?
Centric occlusion
End-to-end position
Bite registration
Functional relationship
Centric occlusion
While removing a universal matrix band, the dental assistant should
remove the band from the distal portion first.
gently lift the band in an occlusal direction.
use cotton pliers to remove the retainer.
gently lift the band from the mesial direction.
gently lift the band in an occlusal direction.
Dental office appointment schedules may include blocks of time set aside for emergency patients. This time is called
double booking.
the dovetail.
prime time.
buffer time.
buffer time.
The Occupational Safety and Health Administration (OSHA) guidelines do NOT include the
Hazard Communications Standard.
Infection Control Standard.
Ionizing Radiation Standard.
Bloodborne Pathogens Standard.
Infection Control Standard.
The tray setup for the treatment of alveolitis would include
gingival retraction cord.
Kirkland knives.
Ronguers.
iodoform gauze.
iodoform gauze.
Which of the following would be included in the setup for a direct composite restoration?
Finishing burs
Curette
Impression tray
#151 forceps
Finishing burs
Which of the following consent types is obtained if a patient needs an oral surgical procedure?
Implied
Legal
Informed
HIPAA
Informed
inishing burs differ from cutting burs in that finishing burs have a
larger circumference.
variety of working lengths.
greater number of blades.
variety of shank sizes.
greater number of blades.
When preparing the patient for a basic oral exam, how is the patient positioned in the dental chair?
Upright
Supine
Subsupine
Trendelenburg
Supine
When scheduling appointments, allowing for buffer times permits later scheduling for patients in need of
emergency dental care.
dental prophylaxis.
major restorative work.
continuing dental care.
emergency dental care.
The presence of which of the following is an indication for selective coronal polishing?
Recession areas
Demineralization
Newly erupted teeth
Stained areas
Stained areas
Which dental team member is legally authorized to prescribe a medication for a patient?
Dental hygienist
Dental assistant
Dental laboratory technician
Dentist
Dentist
An FG37 bur is intended for use on which of the following handpieces?
Low speed
Fiberoptic
Rotary
High speed
High speed
The BEST way to maintain the dental equipment used in the treatment room is to
perform weekly maintenance.
follow the manufacturer's recommendation.
purchase a service contract.
maintain a detailed service record.
follow the manufacturer's recommendation.
Which of the following determines the rate of gas administered during the application of nitrous oxide/oxygen?
Gas hose
Flow meter
Nosepiece
Reservoir bag
Flow meter
During denture construction procedures, the appointment that follows the final impression is the
border molding and muscle trimming.
denture delivery and home-care instruction.
wax try-in with artificial teeth.
try-in of baseplate and biterims.
try-in of baseplate and biterims.
Which of the following correctly describes the procedure for performing a full mouth rinse when assisting a right-handed dentist?
The mandibular arch is rinsed first, followed by the maxillary arch.
Spray from right to left keeping the suction tip in the
Spray from right to left keeping the suction tip in the left posterior vestibule
What should the dental assistant do when attaching the high volume evacuator (HVE) tip to the suction unit handle?
Activate the saliva ejector first to release pressure to the HVE hose.
Rinse the HVE tip first with warm water to assure a tight seal.
Push
Push the tip through a protective barrier placed to cover the handle.
If a back-order notice is received, it means the
order should be resubmitted at a later date.
supply will automatically be shipped when available.
order should be placed with a different company.
supply must be paid for prior to shipment.
supply will automatically be shipped when available.
Which extraction forceps number would be found on a tray set up for the extraction of tooth number 25?
15
210
150
151
151
The endodontic instrument used to remove pulp tissue from the root canal is called a
reamer.
broach.
Lentulo spiral
Hedstrom file.
broach.
Once the amalgam filling material has been condensed into the Class II cavity preparation, the next step is to
burnish the restoration.
remove the wedge.
floss the contact.
triturate the mercury.
burnish the restoration.
Prior to applying topical fluoride, what should be done to increase the uptake of fluoride?
The patient should rinse with mouthwash.
Plaque should be removed.
The arch should be moistened with water.
Calculus should be removed.
Calculus should be removed.
It is important to recognize the legal responsibilities of the dental assistant in relation to the state's dental practice act to understand
the dental practice policies.
which duties can be legally performed.
OSHA rules and regulations.
HIPAA practice co
which duties can be legally performed.
Which of the following would be a nonexpendable item in the dental office inventory?
Curing light
Dental chair
Anesthetic
Dental cement
Curing light
Which of the following instruments would be found on the root planing tray setup?
Gingival margin trimmer
Straight elevator
T-ball burnisher
Universal curette
Universal curette
When retrieving an instrument from the right-handed dentist using the single-handed transfer technique the dental assistant
uses the thumb and first finger of the left hand to lift it from the dentist's hand.
extends the right palm under the instrument to
uses the last two fingers of the left hand then tucks it toward the palm.
What instrument may be used for smoothing the root surface and removing necrotic soft tissue of a periodontal pocket?
Rongeurs
Periotome
Curette
Scaler
Curette
The use of vasoconstrictors in local anesthesia is CONTRAINDICATED for patients with a history of
penicillin allergy.
unstable angina.
asthma.
hypoglycemia.
unstable angina.
The correct sequence of dental instruments for a Class I amalgam restoration tray, based upon order of use is
burnisher, condenser, excavator, cleoid-discoid.
cleoid-discoid, burnisher, excavator, condenser.
condenser, burnisher, cleoid-discoid, excavator
excavator, condenser, burnisher, cleoid-discoid.
Which of the following is a CONTRAINDICATION to the coronal polishing procedure?
Missing teeth
Restored teeth
Recently scaled teeth
Hypersensitive teeth
Hypersensitive teeth
Which of the following is one symptom of damaged pulpal tissue?
Pain during mastication
Gingivitis
Sinus pressure
Inner ear pain
Pain during mastication
Spreaders and pluggers are used in the
obturation of a root canal.
placement of a gold foil.
seating of a Maryland bridge.
placement of an amalgam restoration.
obturation of a root canal.
The tank colors for nitrous oxide and oxygen are
blue and green.
black and red.
green and black.
red and green.
blue and green.
Which of the following is an adverse effect of peroxide-based tooth whitening procedures?
Decreased saliva
Tissue irritation
Increased caries
Extrinsic staining
Tissue irritation
Local anesthesia containing lidocaine HCl with epinephrine 1:50,000 lasts approximately how many minutes?
120
90
60
30
60
When assisting a right-handed dentist, the high volume evacuation tip is
positioned with a reverse palm-thumb grasp.
grasped with the left hand.
positioned with the bevel toward the cheek.
grasped using the right hand.
grasped using the right hand.
What number hole size is selected for the keypunch opening of the dental dam?
Two
Three
Four
Five
Five
Which of the following instruments would be found on the dental implant tray setup?
Gates-Glidden bur
Periosteal elevator
Tofflemire band
Young frame
Periosteal elevator
Which chemical agent is widely used in the in-home whitening technique?
Chlorhexidine
Carbamide peroxide
Polycarboxylate
Potassium nitrate
Carbamide peroxide
A diabetic patient's appointment time is best scheduled
after meal time.
before meal time.
in the early morning.
in the late evening.
after meal time.
Calcium hydroxide used in a restorative procedure is an example of a/an
dentin sealer.
liner.
etchant.
varnish.
liner.
During the try-in appointment for a partial denture, the appliance consists of
cast metal framework, but no artificial teeth.
baseplate with the artificial teeth set in wax.
framework with the artificial teeth set in wax.
baseplate and occlusal/bite rims.
framework with the artificial teeth set in wax.
What portion of an insurance form requires the patient's signature to authorize direct pay to the provider?
Informed consent
Direct reimbursement
Assignment of benefits
Release of information
Assignment of benefits
Which of the following would be included in the setup for an in-office bleaching procedure?
Articulating paper
Impression trays
High-powered light
Boxing wax
High-powered light
What is the minimum number of minutes that 100 percent oxygen should be administered to a patient following nitrous oxide/oxygen sedation?
7
9
5
3
5
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Patient Preparation and Documentation (45 questions)
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When using the universal tooth numbering system, the maxillary right central incisor is tooth number
21
11
8
18
8
The first number recorded in a blood pressure reading is the
diastolic pressure.
carotid pressure.
radial pressure.
systolic pressure.
systolic pressure.
Teeth that replace the primary dentition are called
deciduous.
clinical.
succedaneous.
baby.
succedaneous.
Which of the following vitamins is vital to tooth development?
E
A
K
D
D
Over-the-counter fluoride rinses are DISCOURAGED for which of the following age group?
13-19
6-12
20-25
0-5
0-5
Pitting on the enamel surface resulting from excessive fluoride consumption is known as
fluorosis.
fluoride poisoning.
systemic fluoride.
fluoride toxicity.
fluorosis.
Fluoride-releasing restorative materials help to prevent what kind of dental caries?
Incipient
Rampant
Root
Recurrent
Recurrent
Which of the following home-care products will treat demineralized enamel?
Fluoride
Toothpaste
Floss
Mouthwash
Fluoride
The best time to count respirations when obtaining vital signs is
during the recording of blood pressure.
during the consultation.
when the patient is unaware.
when the patient is under anesthesia.
when the patient is unaware.
What sugar substitute is in chewing gum that may be recommended because it has shown to prevent caries?
Xylitol
Mannitol
Saccharine
Aspartame
Xylitol
Which of the following dental aids should a patient use to detect the presence of plaque?
Whitening gel
Disclosing agent
Toothpaste
Caries detection agent
Disclosing agent
Which permanent tooth may have a cusp of Carabelli?
Maxillary first molar
Mandibular second molar
Maxillary second molar
Mandibular first molar
Maxillary first molar
A patient with a history of taking antibiotics for a long period of time experiences burning white patches on the oral tissues. This may be diagnosed by the dentist as
ecchymosis.
cellulitis.
candidiasis.
granuloma.
candidiasis.
When taking the patient's blood pressure with an arm cuff, on which artery is the stethescope placed?
Carotid
Brachial
Radial
Temporal
Brachial
Mouthwashes and sprays that promote salivary flow are recommended for patients who are experiencing
graphic tongue.
xerostomia.
candidiasis.
alveolitis.
xerostomia.
If a blood pressure reading of 142/96 is obtained on an adult, it is classified as
pre-hypertension.
normal.
hypotension.
hypertension.
hypertension.
Which of the following succedaneous teeth are the first to erupt?
Maxillary canines
Maxillary molars
Mandibular premolars
Mandibular incisors
Mandibular incisors
Which of the following is the first stage of odontogenesis?
Bud
Bell
Cap
Calcification
Bud
Foods containing refined carbohydrates are considered to be
antioxidate.
cariogenic.
carcinogenic.
organic.
cariogenic.
Which diagnostic aid would be most effective for identifying interproximal caries?
Bitewing radiograph
Periodontal probe
Intraoral camera
Laser detector
Bitewing radiograph
One advantage of using a dental sealant is that it
eliminates the need for brushing.
prevents early childhood caries syndrome.
prevents dental fluorosis.
protects occlusal pits and fissures.
protects occlusal pits and fissures.
Which artery is used when obtaining the patient's pulse from the wrist?
Carotid
Brachial
Radial
Temporal
Radial
At the time of primary teeth exfoliation, osteoclasts first cause resorption of the
pulp.
enamel.
dentin.
root.
root.
A healthy diet to help avoid decay should include eating
slow-dissolving candies.
raw fruits and vegetables.
crackers and chips.
sticky and salted food.
raw fruits and vegetables.
The cavity preparation used to remove caries from a Class IV lesion involves the
proximal surface and incisal angle.
pits and fissures in the occlusal surface.
smooth surface nearest the gingiva.
occlusal cusp tips of posterior teeth.
proximal surface and incisal angle.
The muscle of mastication that inserts into the articular disc of the temporomandibular joint is the
masseter.
buccinator.
medial pterygoid.
lateral pterygoid.
lateral pterygoid.
Which of the following cells is responsible for the formation of bone?
Osteoclasts
Ondontoblasts
Ondontoclasts
Osteoblasts
Osteoblasts
Which eating disorder may be suspected for a patient with erosion on the lingual surfaces of the teeth?
Anorexia nervosa
Chronic dieting syndrome
Female athlete triad
Bulimia
Bulimia
When obtaining a patient's blood pressure, which of the following is used to control the blood flow in the artery?
Oxygen nasal cannula
Inflatable rubber cuff
Pulse oximeter
Stethoscope
Inflatable rubber cuff
If the dentist identifies moderate mobility of a tooth during a periodontal exam, the dental assistant will record what score in the patient's chart?
1
0
2
3
2
To control swelling in the first 24 hours after a surgical procedure, the patient should be advised to
bite on gauze with firm pressure for 2 hours.
apply ice packs, alternating 20 minutes on and 20 minutes off.
apply moist heat, alternating with ice pack
apply ice packs, alternating 20 minutes on and 20 minutes off.
The numbers used in the universal tooth numbering system for charting the teeth in the mandibular left quadrant are
25-32.
1- 8.
17-24.
9-16.
17-24.
Which of the following conditions is likely to occur as a result of vigorous brushing?
Gingivitis
Enamel abrasion
Mottled enamel
Periodontal disease
Enamel abrasion
The formation of carious lesions followed by rapid cavitations is known as
fluorosis.
rampant caries.
incipient caries.
xerostomia.
rampant caries.
To assist in providing appropriate patient care, the patient's health history should be reviewed and updated
at each visit.
at each recall appointment.
every two years.
annually.
at each visit.
Which of the following brushes is recommended for the maintenance of dental implants?
Interproximal
Denture
Orthodontic
Hard-bristled
Interproximal
Which of the following instruments is used for tactile discovery of decay?
Mouth mirror
Explorer
Periodontal probe
Cotton pliers
Explorer
A prosthetic tooth that replaces a missing natural tooth is called a(n)
diastema.
onlay.
abutment.
pontic.
pontic.
What is a nonmalignant (benign) bony growth of the maxilla?
Granuloma
Glossitis
Anodontia
Torus palatinus
Torus palatinus
Angle's classification is used to classify and describe
natural teeth in the dentition.
occlusal and malocclusion.
hand instruments.
types of dental caries.
occlusal and malocclusion.
In the event of excessive fluoride ingestion, which of the following items should be consumed?
Fruit
Crackers
Water
Milk
Milk
An elevated body temperature is likely to be found in which of the following patients?
40-year-old
25-year-old
2-year-old
15-year-old
2-year-old
Which of the following polishing abrasives would be the best choice for cleaning a heavily stained tooth?
Silex
Zirconium silicate
Chalk
Fluoride paste
Silex
Angular cheilitis is likely to be an oral manifestation of which condition?
Asthma
Diabetes
Epilepsy
Anemia
Anemia