Preventive Dentistry Practice Exam
Course Introduction
Preventive Dentistry focuses on the principles and practices designed to prevent oral diseases and maintain optimal oral health. The course covers topics such as dental caries prevention, gum disease control, oral hygiene education, dietary counseling, and the use of preventive agents like fluorides and sealants. Emphasis is placed on risk assessment, early detection of oral health issues, patient motivation, and community-based prevention strategies. Students learn to develop individualized prevention plans and promote lifelong oral wellness for diverse patient populations.
Recommended Textbook
Dental Instruments 6th Edition by Linda R. Bartolomucci Boyd
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21 Chapters
398 Verified Questions
398 Flashcards
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Page 2
Chapter 1: Basic Dental Instruments
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Sample Questions
Q1) Which instrument would NOT be found on a basic tray set-up?
A)Mouth mirror
B)Sickle scaler
C)Explorer
D)All of the above are found on the basic tray.
Answer: B
Q2) Which type of mouth mirror is used in disposable mirrors?
A)Double-sided mirror
B)Front surface mirror
C)Flat surface mirror
D)Concave mirror
Answer: C
Q3) Which statement is correct about cotton forceps?
A)Comes in one size
B)Has plain or serrated tips
C)Has pointed or rounded tips
D)B and C only
E)All of the above
Answer: D
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Page 3
Chapter 2: Enamel Cutting Instruments
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Sample Questions
Q1) Which instrument is used to remove unsupported enamel?
A)Enamel Hoe
B)Enamel Hatchet
C)Margin Trimmer
D)Wedelstaedt Chisel
Answer: B
Q2) Which of the following is the part of the instrument that attaches the handle to the working end?
A)Bevel
B)Blade
C)Shank
D)Beaks
Answer: C
Q3) Which of the following is a working end of an instrument?
A)They are both used with a push motion.
B)They are both three-number instruments.
C)They can both only be found as a single-ended instrument.
D)Their cutting blades are almost perpendicular to the instrument handle.
Answer: B
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Page 4
Chapter 3: Local Anesthetic Syringecomponents and
Nitrous Oxide Sedation
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Sample Questions
Q1) Identify the gauge that indicates the largest diameter (thickest) needle.
A)25 gauge
B)27 gauge
C)28 gauge
D)30 gauge
Answer: A
Q2) Identify the labeling that indicates a higher percentage of vasoconstrictor in a dental anesthetic cartridge.
A)1:50,000
B)1:75,000
C)1:100,000
D)1:150,000
Answer: A
Q3) Which of the following is a part of the anesthetic aspirating syringe?
A)Piston
B)Harpoon
C)Finger grip
D)All of the above
Answer: D
Page 5
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Sample Questions
Q1) What is a rheostat?
A)Adjusts the position of the dental chair.
B)Runs handpieces when depressed.
C)Turns the unit light off and on.
D)None of the above
Q2) What features can be found on an assistant chair?
A)Back support
B)Front support bar
C)An adjustable seat height
D)All of the above
E)Only B and C are correct.
Q3) What is the purpose of the low-volume (velocity) evacuator for the mandibular arch?
A)To remove large amounts of saliva and fluid from the mouth.
B)To remove small amount of saliva and fluid from the mouth.
C)To retract the tongue during a dental procedure.
D)Both B and C are correct.
E)All of the above
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Chapter 5: Dental Handpieces
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Sample Questions
Q1) Which type of handpiece used with a highly concentrated light source?
A)Laser handpiece
B)Air abrasion handpiece
C)Fiberoptic high-speed handpiece
D)Slow-speed motor with contra angle
Q2) What is the maximum rotation speed of the slow-speed handpiece?
A)20,000 rotations per minute
B)30,000 rotations per minute
C)75,000 rotations per minute
D)100,000 rotations per minute
Q3) Which type of handpiece uses a latch type bur to remove decay from a cavity preparation?
A)High-speed handpiece
B)Slow-speed prophy angle
C)Slow-speed handpiece with a straight attachment
D)Slow-speed handpiece with a contra-angle attachment
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Chapter 6: Burs and Rotary Attachments for Handpieces
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Sample Questions
Q1) Which type of diamond bur is used for a crown preparation when subgingival margins are needed?
A)Flame
B)Wheel
C)Flat-end taper
D)Flat-end cylinder
Q2) When the dentist requests a No. 701 bur for a cavity preparation, what type of bur would you place in the handpiece?
A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Tapered fissure-plain cut
E)Tapered fissure-crosscut
Q3) Which part of the bur cuts, polishes, or finishes?
A)Shank
B)Neck
C)Head
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8
Chapter 7: Dental Dam Instruments
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Sample Questions
Q1) A size 1 hole is punched for which teeth?
A)Molars
B)Premolars
C)Mandibular canines
D)Mandibular central and laterals
Q2) Which instrument is used to place the dental dam clamp on the tooth and also to remove it from the tooth?
A)Forceps
B)Punch
C)Stamp
D)Frame
Q3) If a composite resin preparation procedure is to be done on tooth #7, which dental clamp would the dental assistant prepare with the procedure setup?
A)Anterior
B)Premolar
C)Maxillary universal
D)Mandibular universal
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9
Chapter 8: Amalgam Restorative Instruments
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Sample Questions
Q1) The term used to describe the mixing of alloy and mercury to form a dental restorative material is amalgamation.
A)True
B)False
Q2) An amalgam well is used to mix alloy and mercury in a capsule.
A)True
B)False
Q3) Which of the following instruments could be used to contour the interproximal walls of an amalgam restoration?
A)Tanner
B)Gold knife
C)Discoid/cleoid
Q4) What is mixing of alloy and mercury called?
A)Amalgamator
B)Amalgamation
C)Triturator
D)Trituration
E)B and D are correct.
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Chapter 9: Composite Restorative Instruments
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Sample Questions
Q1) What is the purpose of a composite placement instrument?
A)Place and condense composite material in cavity preparation.
B)Carry composite material for cavity preparation.
C)Carve the composite restoration.
D)All of the above
Q2) Which of the following tasks would NOT require of microbrush?
A)Place bonding material in cavity preparation.
B)Place acid etch in cavity preparation.
C)Place primer in cavity preparation.
D)Place liner in cavity preparation.
Q3) Why would a composite material well have a protective cover?
A)Keep out contaminants.
B)Avoid different materials from intermixing.
C)Prevent the ambient light from setting the material.
D)All of the above
Q4) Light shields should be sterilized after patient use.
A)True
B)False
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11
Chapter 10: Crown and Bridge Restorative Instruments
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Sample Questions
Q1) What type of blocks does a CAD/CA milling machine use to construct a permanent crown?
A)Plastic
B)Acrylic
C)Ceramic
D)Gold alloy
Q2) Which of the following materials is used to seat a permanent crown?
A)Wooden bite stick
B)Wooden wedge
C)Bite block
Q3) The main purpose of crown and bridge scissors is to crimp and contour the marginal edge of a temporary crown.
A)True
B)False
Q4) All of the following are uses for contouring pliers EXCEPT
A)to contour the marginal edge of a temporary crown.
B)to remove a provisional crown.
C)to crimp and contour the marginal edge of a stainless steel crown.
D)to crimp the marginal edge of a provisional restoration.
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Chapter 11: Endodontic Instruments
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Sample Questions
Q1) Why is a stop placed on the files or reamers during a root canal procedure?
A)Mark the length of the canal.
B)Mark the width of the canal(s).
Q2) A Peso file is used to remove debris from the root canal.
A)True
B)False
Q3) Why is the working end of an endodontic explorer longer than a regular explorer?
A)To easily remove pulp tissue from the canals.
B)To easily clean inside walls of canal.
C)To easily reach opening of canals.
D)To easily curet inside of tooth.
Q4) What is the purpose of an endodontic millimeter ruler?
A)Measure the length of the endodontic file(s).
B)Measure the width of the endodontic file(s).
Q5) Which color represents a size 50 endodontic K-file?
A)Yellow
B)Green
C)Pink
D)Blue
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Chapter 12: Hygiene Instruments
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Sample Questions
Q1) Identify the scaler that is referred to as a "power scaler."
A)Universal curette
B)Ultrasonic scaling unit
C)Area-specific curette-anterior
D)Mini extended area-specific curette
E)Extended area-specific curette-After Five design
Q2) Identify the type of curette used to scale supragingival and subgingival surfaces. This instrument has two parallel cutting edges and a rounded toe, and the blade is angled 90 degrees to the lower shank.
A)Universal curette
B)Area-specific curette-posterior
C)Area-specific curette-anterior
D)Mini extended area-specific curette
E)Extended area-specific curette-After Five design
Q3) Ultra-high frequency sound waves convert mechanical energy into vibrations for the ultrasonic scaler.
A)True
B)False
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14
Chapter 13: Preventive and Sealant Instruments and Bleaching Trays
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Sample Questions
Q1) What does the Spectra Caries Detection Aid System use to detect caries?
A)Fluorescence
B)Visible light
C)Doppler
D)Laser
Q2) What does a Diagnodent use to detect caries?
A)Fluorescence
B)Visible light
C)Laser
Q3) Which item best absorbs saliva from the parotid gland?
A)Cotton roll holder
B)Cotton rolls
C)Dri-Aid
D)None of the above
Q4) For what purpose would a Diagnodent unit be used?
A)Measure the length of the canal in the root of the tooth.
B)Detect calculus subgingivally.
C)Detect the pit and fissures of the tooth structure.
D)Detect caries within the tooth structure.
15
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Chapter 14: Orthodontic Instruments
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Sample Questions
Q1) What instrument is used to assist seating a molar band?
A)Band pusher
B)Band seater
C)Bite stick
D)All of the above are correct
E)Both A and B are correct
Q2) Which of the following is used to separate teeth prior to banding.
A)Steel spring
B)Brass wire
C)Elastic
D)All of the above
Q3) Which instrument helps remove adhesive from the tooth after debonding of the brackets?
A)Ligature director
B)Adhesive-removing pliers
C)Orthodontic scaler (Schure)
D)Orthodontic hemostat (Mathieu pliers)
E)Both B and C are correct.
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16
Chapter 15: Universal Surgical Instruments
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Sample Questions
Q1) A periosteal elevator is used to retract the tongue or cheek during surgery.
A)True
B)False
Q2) Suture scissors may be straight or angled.
A)True
B)False
Q3) Which instrument has a working end of either serrated or rat tooth tips?
A)Hemostat
B)Tissue forcep
C)Suture scissor
D)Periosteal elevator
Q4) Gut, plain and PGA are types of nonresorbable sutures.
A)True
B)False
Q5) Which of the following statements is true regarding a Minnesota tongue and cheek retractor?
A)It is commonly used in oral surgery and periodontal surgical procedures.
B)It is commonly used in the oral photography procedures.
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Chapter 16: Periodontal Instruments and Periodontal Surgical Instruments
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Sample Questions
Q1) Which instrument is used to measure periodontal pocket depth in millimeter increments?
A)Tissue forceps
B)Furcation probe
C)Millimeter ruler
D)Periodontal probe
Q2) Which instrument is used to measure the horizontal and vertical pocket depths of multirooted teeth?
A)Periodontal probe
B)Furcation probe
C)Millimeter ruler
D)All of the above
Q3) What is the purpose of the Kirkland knife used in periodontal surgery?
A)To bevel an incision for gingivectomy.
B)To mark periodontal pockets.
C)To cut interdental gingiva.
Q4) The mesial/distal and buccal/lingual hoes are designed to function in posterior locations only.
A)True
B)False
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Chapter 17: Oral Surgery Extraction Instruments
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Sample Questions
Q1) Which instrument is usually included in an extraction tray setup; it loosens the tooth from the periodontal ligaments before extraction and separates and lifts the tooth from the socket.
A)Luxating elevator
B)Root-tip elevator
C)Straight elevator
D)Root-tip pick
E)All of the above are correct
Q2) Maxillary root forceps are used to extract maxillary molars.
A)True
B)False
Q3) Which instrument is used to lift and remove small root tips in difficult-to-reach areas of the tooth socket?
A)Rongeur
B)Root-tip pick
C)T-bar elevator
D)Luxating elevator
Q4) A periotome is used when dental implant placement is indicated.
A)True
B)False
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Chapter 18: Sterilization Equipment
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Sample Questions
Q1) An ultrasonic cleaning unit is used to sterilize instruments.
A)True
B)False
Q2) Which type of gloves are used for patient care?
A)Examination gloves
B)Utility gloves
C)Over-gloves
Q3) Sterilization pouches have a range of sizes to accommodate all sizes of instruments and cassettes.
A)True
B)False
Q4) Which type of sterilization unit uses saturated steam under pressure to sterilize instruments?
A)Autoclave sterilizer
B)Dry heat sterilizer
C)Statim sterilizer
D)All of the above
Q5) Protective masks should be changed after every patient.
A)True
B)False
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Chapter 19: Dental Materials Equipment
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Sample Questions
Q1) Why do impression trays have perforations?
A)Provides for easier clean-up after pouring.
B)Provide adequate air circulation for proper setting times.
C)Allow material to push through the holes, creating a mechanical lock that keeps the material in place.
D)All of the above are correct
Q2) The use of a water-cooled tray describes which impression technique?
A)Irreversible hydrocolloid
B)Reversible hydrocolloid
C)Polysulfide
D)Polyester
Q3) In the reversible hydrocolloid unit, the temperature for the tempering bath should be
A)110° F (44° C).
B)150° F (65.5° C).
C)212° F (100° C).
Q4) An alginator is used in many dental procedures involving taking an alginate impression.
A)True
B)False
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Chapter 20: Dental Imaging and Diagnostic Equipment
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Sample Questions
Q1) How does an XCP film holder work?
A)Uses the parallel technique for exposing radiation to the film.
B)Uses the bisecting technique for exposing radiation to the film.
C)A or B; both the bisecting and paralleling technique can be used with the XCP holders.
Q2) Which part of the dental film packet protects the film from light penetration?
A)Lead foil
B)Black paper
C)Vinyl cover
Q3) Which XCP holder holds film when taking projections for endodontic procedures?
A)Red
B)Blue
C)Green
D)Yellow
Q4) Which film size is usually used for a periapical radiograph and a bite-wing radiograph on an adult patient?
A)0
B)1
C)2
D)3
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Chapter 21: Vital Signs and Beyond
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Sample Questions
Q1) A capnograph is used for nonsedated patients.
A)True
B)False
Q2) Blood pressure cuffs are available in
A)small.
B)medium.
C)large.
D)All of the above are correct
Q3) The machine that monitors the patient's heartbeat during dental surgical procedures, IV sedation, and general anesthesia is a(n)
A)electrocardiogram.
B)pulse oximeter.
C)capnograph.
D)blood pressure monitor.
Q4) An aneroid dial system is part of which monitoring equipment?
A)Sphygmomanometer
B)Stethoscope
C)EKG
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