Preclinical Dental Sciences
Review Questions
Course Introduction
Preclinical Dental Sciences is designed to introduce students to the foundational concepts and laboratory skills essential for the practice of dentistry. The course covers the basic principles of tooth morphology, oral anatomy, dental materials, and infection control, enabling students to gain a deep understanding of normal oral structures and their functions. Emphasis is placed on developing manual dexterity through practical exercises, including the preparation and restoration of extracted teeth, wax modeling, and the manipulation of dental materials. Students also learn about the ethical and professional standards in dental practice, preparing them for the clinical aspects of their dental education.
Recommended Textbook
Dental Instruments A Pocket Guide 4th Edition by Linda R. Bartolomucci Boyd
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20 Chapters
338 Verified Questions
338 Flashcards
Source URL: https://quizplus.com/study-set/2295 Page 2
Chapter 1: Basic Dental Instruments
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6 Verified Questions
6 Flashcards
Source URL: https://quizplus.com/quiz/45598
Sample Questions
Q1) How is alternating instrument handles beneficial to the dental professional using it?
A)It helps in lightening the grasp of an instrument.
B)It maximizes control of the instrument.
C)It lessens the stress associated with carpal tunnel syndrome.
D)It minimizes fatigue when using the instrument.
Answer: C
Q2) The main function of this instrument is to grasp and/or transfer material into and out of the oral cavity.
A)Periodontal probe
B)Mouth mirror
C)Curette
D)Cotton forceps (pliers)
Answer: D
Q3) The main purpose of the explorer is
A)to retract the lips, cheeks, and tongue.
B)to transfer material from the oral cavity.
C)to examine teeth for decay, calculus, furcations, or other abnormalities.
D)All of the above
Answer: C
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Page 3
Chapter 2: Enamel Cutting Instruments
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19 Verified Questions
19 Flashcards
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Sample Questions
Q1) Which of the following hand instruments is an example of a four-number instrument?
A)Enamel hoe
B)Wedelstaedt chisel
C)Spoon excavator
D)Distal gingival margin trimmer
Answer: D
Q2) On a three-number enamel cutting instrument, the first number indicates
A)the angle of the blade from the long axis of the shaft in centigrade.
B)the width of the blade in tenths of millimeters.
C)the length of the blade in millimeters.
D)the angle of the cutting edge of the blade in relation to the handle in centigrade.
Answer: B
Q3) Used on restorative tray setups, the main function of a spoon excavator is:
A)To remove carious dentin
B)To remove temporary crowns
C)To remove temporary cement in temporary restoration
D)To remove permanent crown during try-in
Answer: A
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4
Chapter 3: Local Anesthetic Syringe and Components
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Name the part of the anesthetic cartridge that is inserted into the harpoon.
A)Needle hub
B)Aluminum cap with rubber diaphragm
C)Needle guard
D)Rubber stopper
Answer: D
Q2) The length of a long needle used to administer a local anesthetic is
A) \( \frac{1}{2} \) inch.
B)1 inch.
C) \( 1 \frac{1}{2} \) inches.
D) \( 1 \frac{5}{8} \) inches.
E) \( 2 \frac{1}{2} \) inches.
Answer: D
Q3) Identify the gauge that indicates the largest diameter (thickest) needle.
A)25 gauge
B)27 gauge
C)28 gauge
D)30 gauge
Answer: D
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Chapter 4: Evacuation Devices, Airwater Syringe Tip and Dental Unit
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10 Verified Questions
10 Flashcards
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Sample Questions
Q1) The purpose of the air/water syringe is
A)to rinse the teeth or mouth with water.
B)to rinse the teeth or mouth with spray (air and water together).
C)to dry the teeth or mouth with air.
D)All of the above
E)None of the above
Q2) The evacuator for a surgical tip
A)is usually connected to the low-velocity evacuation system.
B)is usually connected to the high-velocity evacuation system.
C)narrows to accommodate the surgical site.
D)is a saliva ejector.
E)B and C
Q3) A(n) _____ evacuates a small amount of fluid, water, and saliva from the oral cavity.
A)high-velocity (volume) surgical evacuation tip
B)high-velocity (volume) evacuation (HVE) tip
C)air/water syringe
D)low-velocity (volume) evacuation tip/saliva ejector
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Chapter 5: Dental Handpieces
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) Name the main orthodontic instrument that helps place ligature wire around brackets after the wire is tied to arch wire.
A)Orthodontic scaler
B)Separating pliers
C)Orthodontic hemostat
D)Elastic separators
E)Ligature director
Q2) What is the maximum rotation speed of the surgical electrical handpiece unit with implant handpiece?
A)85,000 rotations per minute
B)100,000 rotations per minute
C)125,000 rotations per minute
D)350,000 rotations per minute
E)650,000 rotations per minute
Q3) 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)100,00 rotations per minute
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Chapter 6: Burs and Rotary Attachments for Handpieces
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32 Verified Questions
32 Flashcards
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Sample Questions
Q1) Which of the following is a tapered fissure-plain cut bur that forms angles and retention grooves in the walls of a cavity preparation?
A)No. 57
B)No. 157
C)No. 699
D)No. 168
E)No. 330
Q2) Name the type of bur typically used to remove decay deep in the walls of the preparation once the tooth has been opened.
A)Inverted cone
B)Straight fissure-plain cut
C)Straight fissure-crosscut
D)Tapered fissure-crosscut
E)Round bur
Q3) Name the part of the bur that fits into the handpiece.
A)Head
B)Neck
C)Shank
D)Cutting edge
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Chapter 7: Dental Dam Instruments
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20 Verified Questions
20 Flashcards
Source URL: https://quizplus.com/quiz/45604
Sample Questions
Q1) A plastic dental dam frame may be left on during radiographic exposures.
A)True
B)False
Q2) A _____ holds the dental dam away from the teeth.
A)dental dam clamp
B)dental dam forceps
C)dental dam template
D)dental dam frame
Q3) Which color is an indication of a latex-free dental dam?
A)Green
B)Blue
C)Purple
D)Gray
Q4) Identify the anterior clamp that anchors and stabilizes the dental dam.
A)212 wingless
B)W2
C)W7
D)4 winged
E)7 winged
Page 9
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Chapter 8: Amalgam Restorative Instruments
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28 Verified Questions
28 Flashcards
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Sample Questions
Q1) What will happen if amalgam is not released immediately from an amalgam carrier after the tubes are filled?
A)Amalgam will corrode the interior walls of the amalgam carrier.
B)Amalgam will stick in the carrier.
C)Amalgam will fall by itself from the amalgam carrier.
D)None of the above.
Q2) Which carver is used to contour and/or restore the proximal wall (or walls) of an amalgam restoration?
A)Woodson
B)Half-Hollenback
C)Beavertail
D)Discoid-cleoid
E)Tanner
Q3) Which instrument is utilized to pack amalgam into a cavity preparation?
A)Liner applicator
B)Burnisher
C)Condenser
D)Carver
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10
Chapter 9: Composite Restorative Instruments
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Sectional matrix system bands are used for which classification of cavities?
A)Class I
B)Class II
C)Class III
D)Class IV
E)Class V
Q2) ________________is one of the protective shields used for light curing.
A)Orange goggles or shield
B)Clear goggles or shield
Q3) All of the following are functions of a composite placement instrument EXCEPT for which one?
A)Condense composite material for cavity preparation.
B)Place composite material in cavity preparation.
C)Adjust occlusion of composite material in cavity preparation.
D)Carve composite material in cavity preparation.
Q4) The composite well is used for what type of material (or materials)?
A)Etchant
B)Primer
C)Bonding material
D)All of the above
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Chapter 10: Crown and Bridge Restorative Instruments
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) Name the instrument(s) that are found on a tray setup for preparing a tooth for crown.
A)Gingival retraction cord instrument
B)Woodson instrument
C)Shade guide
D)Provisional crown-removing forceps
E)All of the above
Q2) Which of the following is NOT function of a Cerec machine?
A)It outlines crown with a computer-connected intraoral wand.
B)It automatically retracts the gingival margin of the crown in the computer.
C)It constructs the anatomy of the crown in the computer.
D)It sends information to the unit to construct the crown.
Q3) Name the instrument that assists the patient in biting down on the crown in the seating phase of a permanent crown.
A)Spoon excavator
B)Curette
C)Woodson
D)Wooden bite stick
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12
Chapter 11: Endodontic Instruments
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27 Verified Questions
27 Flashcards
Source URL: https://quizplus.com/quiz/45608
Sample Questions
Q1) Name the instrument used to locate the openings of small canal orifices for endodontic procedures.
A)Endodontic long-shank spoon
B)Endodontic file
C)Endodontic reamer
D)Endodontic explorer
Q2) The electronic apex locator determines
A)the length of the canal to the apex of the tooth/teeth.
B)the width of the canal(s).
Q3) Name the instrument used to place the endodontic sealer or cement in a canal for the final seal before gutta-percha is applied.
A)Lentulo spiral
B)Peso file
C)K-type file
D)Reamer
E)Gates Glidden
Q4) Sterile absorbent paper points should be disposed of in the garbage.
A)True
B)False
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Chapter 12: Hygiene Instruments
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/45609
Sample Questions
Q1) Which of the following is an example of a subgingival ultrasonic instrument tip?
A)Original prophy
B)After Five
C)Streamline
D)None of the above
Q2) Name the type of scaler used to remove deposits and stain from implant areas.
A)Universal curette
B)Sickle scaler
C)Chisel scaler
D)Implant scaler
Q3) Identify a type of scaler used to remove large amounts of deposits from supragingival surfaces; this type has a long, straight shank and a straight blade with two cutting edges that ends in a sharp point.
A)Universal curette
B)Sickle scaler
C)Chisel scaler
D)Implant scaler
E)Area-specific curette
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14
Chapter 13: Preventive and Sealant Instruments and Bleaching Trays
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6 Verified Questions
6 Flashcards
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Sample Questions
Q1) The Diagnodent unit is used to
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.
Q2) Identify the item that is placed on the buccal mucosa, inside the cheek, opposite the maxillary second molar near the Stensen's duct that best absorbs saliva originating from the parotid gland.
A)Cotton rolls
B)Cotton roll holder
C)Dry Aid
D)None of the above
Q3) Fluoride treatments are given
A)to help make the structure of the teeth smooth and shiny.
B)once a month.
C)to help prevent decay by mineralizing the teeth.
D)None of the above
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Chapter 14: Orthodontic Instruments
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21 Verified Questions
21 Flashcards
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Sample Questions
Q1) A Kobayashi tie features a preformed hook.
A)True
B)False
Q2) ___________________ is (are) a small device bonded to the teeth to hold the orthodontic arch wires.
A)Elastic ties
B)Bracket
C)Ligature tie
Q3) The _____ helps place ligature wire around brackets after the wire has been tied to the arch wire.
A)orthodontic scaler
B)separating pliers
C)orthodontic hemostat (Mathieu pliers)
D)elastic separators
E)ligature director
Q4) Which type of instrument is designed to bend and form loops in the arch wire?
A)Tweed loop-forming pliers (Jarabak pliers)
B)Arch-bending pliers
C)Three-prong pliers
D)Bird beak pliers
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Chapter 15: Universal Surgical Instruments
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14 Verified Questions
14 Flashcards
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Sample Questions
Q1) What is the function of suture scissors?
A)To cut the sutures
B)To slice the sutures
Q2) Name the instrument that is always found in a surgical tray setup and that removes debris, cysts, and granulation tissue from the surgical site.
A)Hemostat
B)Surgical curette (Prichard)
C)Luxating elevator
D)Periosteal elevator
E)Straight elevator
Q3) Which instrument holds a blade in place for surgical cutting of tissue?
A)Hemostat
B)Tongue and cheek retractor
C)Scalpel handle
D)Mouth prop
E)Periosteal elevator
Q4) A periosteal elevator is used on oral surgery and periodontal surgical tray setups.
A)True
B)False
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Chapter 16: Periodontal Instruments and Periodontal Surgical Instruments
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12 Verified Questions
12 Flashcards
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Sample Questions
Q1) A periodontal kidney-shaped knife is used
A)to bevel an incision for gingivectomy.
B)to cut interdental gingiva.
C)before placement of implants.
D)to measure periodontal pockets.
Q2) _____________________ is a type of a periodontal surgical instrument that is used for gingivoplasty.
A)Periodontal probe
B)Periodontal knife
C)Periodontal scaler
Q3) Which instrument crushes and removes heavy deposits from subgingival and supragingival interproximal areas of a tooth?
A)Peristome
B)Periodontal kidney-shaped knife
C)Interdental spear-point knife
D)Interdental file
E)Curette
Q4) A back-action hoe removes bone adjacent to teeth without causing trauma.
A)True
B)False
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Chapter 17: Oral Surgery Extraction Instruments
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19 Verified Questions
19 Flashcards
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Sample Questions
Q1) __________________ is a type of instrument used to lift and remove root fragments.
A)Root-tip elevator
B)Luxating elevator
C)Peristome
Q2) Which type of surgical forceps is designed to extract trifurcated maxillary left first or second molars?
A)No. 88R
B)No. 88L
C)Cryer no. 150
D)Cryer no. 151
E)No. 17
Q3) A _____ is (are) used to extract mandibular anterior teeth.
A)rongeur
B)mandibular anterior forceps
C)mandibular universal forceps
D)hemostat
Q4) Maxillary root forceps are used to extract maxillary molars.
A)True
B)False
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Chapter 18: Sterilization Equipment
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18 Verified Questions
18 Flashcards
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Sample Questions
Q1) Which of the following is true regarding utilizing cassette wrap in the dental office?
A)To wrap cassette during sterilization
B)To store cassette in wrapping after sterilization
C)To use for tray cover during dental procedures
D)A and B
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) __________ is the protective barrier over the examination gloves used in order to not cross-contaminate the area.
A)Utility gloves
B)Vinyl gloves
C)Overgloves
Q4) An ultrasonic cleaning unit is used to sterilize instruments.
A)True
B)False
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Chapter 19: Dental Materials Equipment
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7 Verified Questions
7 Flashcards
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Sample Questions
Q1) Identify the use of a triple tray for impressions.
A)To take a maxillary impression along with a mandibular impression
B)To take a maxillary impression along with the occlusal bite
C)To take a mandibular impression along with the occlusal bite
D)To take a maxillary impression, mandibular impression, and an occlusal bite
E)None of the above
Q2) In the reversible hydrocolloid unit, the temperature for the storage bath should be
A)110° F (44° C).
B)150° F (65.5° C).
C)212° F (100° C).
Q3) Flexible rubber bowls are used to mix which material(s)?
A)Powder and liquid; example: irreversible hydrocolloid (alginate)
B)Reversible hydrocolloid
C)Polyvinylsiloxane
D)Plaster or stone for pouring up models
E)A and D
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Chapter 20: Dental Radiography Equipment
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) Digital radiographs use ____ radiation than conventional x-rays.
A)more
B)less
Q2) For manual developing of an x-ray, the time to fix the x-ray in the fixing solution depends on the
A)solution being used.
B)temperature of the water.
C)developing time; fixing time is double the developing time.
D)None of the above
Q3) Digital holders for x-ray sensors feature slots on the ring which are color-coded to the type of x-ray taken.
A)True
B)False
Q4) A ______ XCP holder holds film when taking projections for endodontic procedures.
A)red
B)blue
C)green
D)yellow
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