Preclinical Operative Dentistry
Practice Questions
Course Introduction
Preclinical Operative Dentistry is a foundational course designed to introduce students to the principles and techniques of restoring teeth affected by caries, trauma, or other defects. The course emphasizes hands-on training in simulating clinical procedures, focusing on cavity preparation, placement of restorative materials, and proper use of dental instruments. Through a combination of lectures, laboratory exercises, and demonstrations, students develop skills in performing precise, conservative, and esthetic dental restorations while adhering to biological, mechanical, and ethical considerations. Mastery of infection control, tooth morphology, and the management of patient comfort are also integral components, preparing students for the clinical phase of dental education.
Recommended Textbook
Dental Instruments 6th Edition by Linda R. Bartolomucci Boyd
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21 Chapters
398 Verified Questions
398 Flashcards
Source URL: https://quizplus.com/study-set/2296 Page 2
Chapter 1: Basic Dental Instruments
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9 Verified Questions
9 Flashcards
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Sample Questions
Q1) Why is using a variety of instrument handle diameters beneficial to the dental professional?
A)Helps in lightening the instrument grasp.
B)Maximizes control of the instrument.
C)Lessens the stress associated with carpal tunnel syndrome.
D)Minimizes fatigue when using the instrument.
Answer: C
Q2) 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
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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Chapter 2: Enamel Cutting Instruments
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Sample Questions
Q1) Which instrument is used to plane and cleave enamel in a cavity preparation, is used with a push motion, has a single angled cutting edge, and has a curved blade?
A)Enamel hoe
B)Straight chisel
C)Enamel hatchet
D)Binangle chisel
E)Wedelstaedt chisel
Answer: E
Q2) On a three-number enamel cutting instrument, what does the third number indicate?
A)Angle of the cutting edge of the blade in relation to the handle in millimeters
B)Angle of the blade from the long axis of the shaft in millimeters
C)Width of the blade in tenths of millimeters
D)Length of the blade in millimeters
Answer: B
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4
Chapter 3: Local Anesthetic Syringecomponents and
Nitrous Oxide Sedation
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23 Verified Questions
23 Flashcards
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Sample Questions
Q1) Identify the gauge that indicates the smallest diameter (thinnest) needle.
A)25 gauge
B)27 gauge
C)28 gauge
D)30 gauge
Answer: D
Q2) The length of a long needle used to administer a local anesthetic is
A)1/2 inch.
B)1 inch.
C)1 1/2 inches.
D)1 5/8 inches.
E)2 1/2 inches.
Answer: D
Q3) Following the use of nitrous oxide/oxygen sedation, what must be administered to the patient before he or she can be dismissed from the dental chair?
A)Water
B)Oxygen
C)Nitrogen
D)Carbon dioxide
Answer: B
Page 5
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Chapter 4: Evacuation Devices, Airwater Syringe Tip, and Dental Unit
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10 Flashcards
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Sample Questions
Q1) When should a treatment tablet be added to the unit water bottle?
A)When water looks contaminated
B)Every time the bottle is filled
C)When the bottle is half full
D)Between each patient
Q2) 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
Q3) A(n) _____ evacuates large amounts of fluid and debris from the oral cavity.
A)angled stainless steel evacuator tip
B)low-velocity (volume) evacuation (LVE)
C)high-velocity (volume) evacuation (HVE)
D)high-velocity (volume) surgical evacuation tip
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Page 6
Chapter 5: Dental Handpieces
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) When would a laser handpiece be used?
A)Class II cavity preparation
B)Class IV cavity preparation
C)Control bleeding
D)Cut soft tissue
E)Both C and D are correct.
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) The air abrasion handpiece typically is used for which type of preparation?
A)Class I cavity
B)Class II cavity
C)Class III cavity
D)Sealants
E)Both A and D are correct.
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7
Chapter 6: Burs and Rotary Attachments for Handpieces
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36 Flashcards
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Sample Questions
Q1) Which type of diamond bur is used to reduce a tooth for a crown preparation on the lingual aspect of anterior teeth and for bulk reduction of incisal edges?
A)Flame
B)Wheel
C)Flat-end taper
D)Flat-end cylinder
Q2) 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
Q3) 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
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Chapter 7: Dental Dam Instruments
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) Which instrument is used to invert the holes of the dental dam?
A)Half-Hollenback carver
B)Beavertail burnisher
C)Tanner carver
D)Woodson
E)Explorer
Q2) Which surface should the bow of the dental dam face?
A)Distal
B)Mesial
C)Buccal
D)Lingual
Q3) To prepare a dental dam for a patient, how far apart should the holes be punched?
A)1 to 1.5 mm
B)2 to 2.5 mm
C)3 to 3.5 mm
D)4 to 4.5 mm
Q4) A plastic dental dam frame may be left on during radiographic exposures.
A)True
B)False
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Chapter 8: Amalgam Restorative Instruments
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27 Flashcards
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Sample Questions
Q1) An amalgam well is used to mix alloy and mercury in a capsule.
A)True
B)False
Q2) Which of the following is used to check the centric and lateral occlusion of an amalgam restoration?
A)Explorer
B)Matrix band
C)Plastic instrument
D)Articulating paper
Q3) For which of the following restorations would a wooden wedge be utilized?
A)Tooth #3 BO cavity preparation
B)Tooth #15 MO cavity preparation
C)Tooth #21 OL cavity preparation
D)Tooth #31 O cavity preparation
Q4) Which type of matrix band is designed for larger posterior teeth?
A)Molar band
B)Anterior band
C)Universal band
D)Premolar band
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Chapter 9: Composite Restorative Instruments
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19 Verified Questions
19 Flashcards
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Sample Questions
Q1) Which items are added to a restorative tray for a composite resin procedure?
A)Mylar matrix
B)Resin curing light
C)Gold carving knife
D)Applicator and tips
E)All of the above
Q2) 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
Q3) The loss of output of curing lights does not impact the amount of time needed to cure dental material.
A)True
B)False
Q4) 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.
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Chapter 10: Crown and Bridge Restorative Instruments
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Which instrument establishes centric relationship of the maxillary teeth to the mandibular teeth?
A)Cad/CAM machine
B)Wooden bite stick
C)Facebow
D)Articular
Q2) What is the main function of the trial crown remover?
A)Remove temporary crowns.
B)Place permanent crowns on the prepared tooth.
C)Remove permanent crowns during the try-in phase.
D)A and C are correct.
E)All of the above
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) It takes two appointments to prepare, fabricate, and deliver a CAD/CAM permanent crown.
A)True
B)False
Page 12
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Chapter 11: Endodontic Instruments
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28 Verified Questions
28 Flashcards
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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) What substance or material is applied to the tip of the pulp tester electrode to conduct electricity?
A)Calcium hydroxide
B)Topical anesthetic
C)Bonding agent
D)Toothpaste
Q3) What is used to condense the gutta-percha laterally in canal?
A)Gutta-percha warming unit
B)Endodontic spreader
C)Endodontic plugger
D)Lentulo spiral
Q4) Which endodontic instrument is used to locate openings of small canal orifices for an endodontic procedure?
A)Broach
B)K-type file
C)Apex locator
D)Endodontic explorer
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Chapter 12: Hygiene Instruments
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15 Verified Questions
15 Flashcards
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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) Ultra-high frequency sound waves convert mechanical energy into vibrations for the ultrasonic scaler.
A)True
B)False
Q3) The use of an India stone should be preceded by the use of an Arkansas or ceramic stone.
A)True
B)False
Q4) Which of the following is an example of a subgingival ultrasonic instrument tip?
A)Furcation design
B)After Five design
C)Supragingival design
D)All of the above are correct.
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Chapter 13: Preventive and Sealant Instruments and Bleaching Trays
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7 Flashcards
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Sample Questions
Q1) What does a Diagnodent use to detect caries?
A)Fluorescence
B)Visible light
C)Laser
Q2) How often is it recommended for a child to receive a fluoride treatment?
A)Once a month
B)Once every 2 months
C)Once every 4 months
D)Once every 6 months
E)Once every 2 years
Q3) The Vacuum Former is used for which procedures listed below?
A)To make bleaching trays.
B)To make orthodontic positioners.
C)To make night and mouth guards.
D)To make custom temporary crowns.
E)All of the above
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15
Chapter 14: Orthodontic Instruments
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21 Flashcards
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Sample Questions
Q1) Which instrument would be included on a tray setup for an orthodontic separating procedure?
A)Orthodontic hemostat (Mathieu pliers) Orthodontic scaler
B)Orthodontic scaler
C)Elastic separators
D)Separating pliers
E)All of the above
Q2) What function does a lip retractor provide in orthodontic procedures?
A)Helping to keep the mouth open.
B)Retracting the lips for bonding brackets in place.
C)Retracting the lips for taking orthodontic photographs.
D)Both B and C are correct.
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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Page 16
Chapter 15: Universal Surgical Instruments
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21 Flashcards
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Sample Questions
Q1) Which instrument is used to aid in placing and holding the needle for sutures?
A)Hemostat
B)Needle holder
C)Suture scissors
D)None of the above
Q2) Which instrument holds a blade in place for surgical cutting of tissue?
A)Locking cotton forceps
B)Scalpel handle
C)Howe pliers
D)Hemostat
Q3) Which instrument is found on a surgical tray setup and is used to remove debris, cysts, and granulation tissue from the surgical site?
A)Hemostat
B)Tissue scissors
C)Surgical curette
D)Periosteal elevator
Q4) A Catroviejo is a type of surgical plier.
A)True
B)False
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Chapter 16: Periodontal Instruments and Periodontal Surgical Instruments
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18 Verified Questions
18 Flashcards
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Sample Questions
Q1) A back-action hoe removes bone adjacent to teeth without causing trauma.
A)True
B)False
Q2) Which instrument is used to crush and remove heavy deposits from subgingival and supragingival interproximal areas?
A)Periodontal kidney-shaped knife
B)Interdental spear-point knife
C)Back-action hoe
D)Interdental file
Q3) The mesial/distal and buccal/lingual hoes are designed to function in posterior locations only.
A)True
B)False
Q4) Which instrument is used to remove bone adjacent to teeth without causing trauma?
A)Periodontal kidney-shaped knife
B)Periodontal spear-point knife
C)Back-action hoe
D)Interdental file
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Chapter 17: Oral Surgery Extraction Instruments
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Sample Questions
Q1) A rongeur is commonly used to trim and remove excess alveolar bone after extraction of teeth.
A)True
B)False
Q2) Which type of surgical instrument is commonly used to loosen the tooth from periodontal ligaments before extraction?
A)Luxating elevator
B)Straight elevator
C)Root elevator
D)Periotome
Q3) Root-tip elevators remove small root tips in difficult areas.
A)True
B)False
Q4) Maxillary root forceps are used to extract maxillary molars.
A)True
B)False
Q5) Which type of surgical instrument is used to lift and remove root fragments?
A)Luxating elevator
B)Root-tip elevator
C)Periotome
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Chapter 18: Sterilization Equipment
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Sample Questions
Q1) Gowns worn during patient care must have which of the following properties?
A)Cloth material made of polyester and cotton in accordance with state and/or federal regulations.
B)Moisture resistant (against contamination by liquids)
C)Cuffed long sleeves
D)Closure at neckline
E)All of the above
Q2) The time, temperature, and pressure required to accomplish the sterilization of instruments are the same for all types of sterilizers, whether instruments are wrapped or unwrapped.
A)True
B)False
Q3) When would one use a sterilization pouch?
A)To sterilize loose instruments.
B)To hold the biological monitor strip.
C)To hold sterilized items until they are needed.
D)All of the above
E)A and C are both correct.
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Chapter 19: Dental Materials Equipment
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Sample Questions
Q1) 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).
Q2) The flexible alginate spatula does not require sterilization following use.
A)True
B)False
Q3) In the reversible hydrocolloid unit, what should the temperature for the storage bath be?
A)110° F (44° C)
B)150° F (65.5° C)
C)212° F (100° C)
Q4) How should an impression be cared for once it is removed from the mouth?
A)Sterilized
B)Disinfected
C)Submerged in a water bath
D)Rinsed off and poured immediately
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Chapter 20: Dental Imaging and Diagnostic Equipment
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22 Flashcards
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Sample Questions
Q1) What does PID stand for?
A)Position indicating device
B)Posterior indicating device
C)Pressure indication device
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 color of XPC is used to capture a bite-wing image?
A)Red.
B)Blue.
C)Green.
D)Yellow.
Q4) Digital radiographs use ____ radiation than conventional X-rays.
A)more
B)less
Q5) Unwrapped film left too close to the safelight or exposed for more than 2 to 3 minutes will appear fogged when developed.
A)True
B)False
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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) What device should be used when a person is unresponsive (not breathing and no pulse is evident)?
A)Capnograph.
B)Pulse oximeter.
C)Automated external defibrillator (AED).
D)None of the above are correct.
Q3) What happens to the CO level when a person hyperventilates?
A)Increases.
B)Decreases.
Q4) Blood pressure readings should be
A)taken prior to dental procedures being performed.
B)at the completion of dental treatment.
C)recorded in the patient's chart.
D)Both A and C are correct.
Q5) A pulse oxymeter measures the oxygen saturation in the blood.
A)True
B)False
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