Dental Materials Exam Preparation Guide
Course Introduction
Dental Materials is a comprehensive course that examines the properties, composition, manipulation, and clinical applications of materials used in dentistry, including metals, polymers, ceramics, and composites. The course focuses on the selection, handling, and evaluation of restorative, preventive, prosthetic, and impression materials in relation to their mechanical, physical, and biological characteristics. Emphasis is placed on understanding how different dental materials interact with oral tissues, ensuring their biocompatibility and safety within the clinical environment. By integrating theoretical knowledge with laboratory experience, students gain practical skills essential for the optimal use of dental materials in patient care.
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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Chapter 1: Basic Dental Instruments
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9 Flashcards
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Sample Questions
Q1) 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
Q2) Which of the following instruments is part of a basic setup for most dental procedures?
A)Curette
B)Spoon excavator
C)Periodontal probe
D)Cotton forceps (pliers)
Answer: D
Q3) The main function of this instrument is to grasp and/or transfer material into and out of the oral cavity.
A)Curette
B)Mouth mirror
C)Periodontal probe
D)Cotton forceps (pliers)
Answer: D
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Chapter 2: Enamel Cutting Instruments
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Sample Questions
Q1) Which enamel cutting instrument is used in a pull motion?
A)Enamel hoe
B)Straight chisel
C)Enamel hatchet
D)Binangle chisel
E)Wedelstaedt chisel
Answer: A
Q2) Which cutting instrument is used to remove decay from the cavity preparation?
A)Enamel hoe
B)Straight chisel
C)Enamel hatchet
D)Binangle chisel
E)Spoon excavator
Answer: E
Q3) Which instrument is used to remove unsupported enamel?
A)Enamel Hoe
B)Enamel Hatchet
C)Margin Trimmer
D)Wedelstaedt Chisel
Answer: B
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Chapter 3: Local Anesthetic Syringecomponents and Nitrous
Oxide Sedation
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Sample Questions
Q1) Which color tank is used for nitrous oxide?
A)Red
B)Blue
C)Green
D)White
Answer: C
Q2) What device is used to monitor how much N O the patient receives?
A)Scavenger system
B)Flowmeter
C)Nose mask
D)N2O gauge
Answer: B
Q3) 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
Page 5
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Sample Questions
Q1) 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
Q2) A(n) _____ evacuates a small amount of fluid, water, and saliva from the oral cavity.
A)air/water syringe
B)high-velocity (volume) surgical
C)high-velocity (volume) evacuation (HVE)
D)low-velocity (volume) evacuation tip/saliva ejector
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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Sample Questions
Q1) 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
Q2) When is a slow-speed motor with contra-angle handpiece attachment used?
A)Remove decay.
B)Cut a tooth with decay.
C)Remove existing crowns or bridges.
D)Grind veneers down for replacement.
Q3) Which type of handpiece would be used with a disposable prophy angle?
A)High-speed handpiece
B)Slow-speed prophy angle handpiece
C)Slow-speed motor with a straight attachment
D)Slow-speed motor with a contra-angle attachment
E)Both B and C are correct.
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Chapter 6: Burs and Rotary Attachments for Handpieces
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Sample Questions
Q1) The rotation instrument designed to contour a composite restoration is a
A)rubber point.
B)sandpaper disc.
C)composite disc.
D)diamond bur wheel.
E)Both B and C are correct.
Q2) Which of the following are parts of a bur?
A)Head
B)Neck
C)Shank
D)All of the above
Q3) Which polishing rubber point is the most abrasive?
A)Brown points
B)Green points
C)White points
Q4) A bur with a latch at the end of the shank fits into which type of handpiece?
A)High-speed
B)High-speed fiberoptic
C)Slow-speed straight
D)Slow-speed contra-angle
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Chapter 7: Dental Dam Instruments
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Sample Questions
Q1) Why must dental floss be attached to each dental clamp used during a dental procedure?
A)To prevent the dental clamp from dislodging.
B)To prevent the patient from swallowing the dental clamp.
C)To prevent the patient from feeling any pain from the dental clamp.
D)All of the above
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) What happens when one squeezes the handles of a dental dam forceps?
A)Open the working end.
B)Close the working end.
C)Release the dental dam frame.
D)Capture or pick up the clamp.
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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Sample Questions
Q1) 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
Q2) An amalgam well is used to mix alloy and mercury in a capsule.
A)True
B)False
Q3) Which carver is used to contour and/or restore the proximal wall (or walls) of an amalgam restoration?
A)Half-Hollenback
B)Discoid-cleoid
C)Beavertail
D)Woodson
E)Tanner
Q4) 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
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Chapter 9: Composite Restorative Instruments
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Sample Questions
Q1) What instrument is used to apply conditioning, primer, and bonding material to a cavity preparation?
A)Composite placement instrument
B)Cotton-tipped applicator
C)Applicator with brush
D)Liner applicator
Q2) The loss of output of curing lights does not impact the amount of time needed to cure dental material.
A)True
B)False
Q3) Which of the following are NOT functions of a composite placement instrument?
A)Carve composite material in cavity preparation.
B)Place composite material in cavity preparation.
C)Condense composite material for cavity preparation.
D)Adjust occlusion of composite material in cavity preparation.
Q4) Disposable composite wells should be disposed of in the regular waste.
A)True
B)False
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Chapter 10: Crown and Bridge Restorative Instruments
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Sample Questions
Q1) Which instrument is used to place gingival retraction cord in the sulcus area of prepared teeth before impressions are taken?
A)Contouring pliers
B)Crown-removing forceps
C)Crown and bridge scissors
D)Retraction cord instrument
Q2) The main purpose of crown and bridge scissors is to crimp and contour the marginal edge of a temporary crown.
A)True
B)False
Q3) Which of the following would be used to outline a crown with an intraoral wand connected to a computer?
A)Facebow
B)Intraoral camera
C)CAD/CAM machine
D)CAD/CA milling machine
Q4) A shade guide for crown and bridge procedure is found on which tray setup?
A)Crown and bridge preparation tray setup
B)Crown and bridge cementation tray setup
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Chapter 11: Endodontic Instruments
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Sample Questions
Q1) Which type of material is used to fill the pulp chamber after endodontic canal preparation has been completed?
A)Sterile absorbent paper points
B)Root canal sealer
C)Preformed posts
D)Gutta-percha
Q2) Which statement is incorrect about Gates Glidden burs?
A)Used in a high-speed handpiece
B)Comes in a range of sizes
C)Opens the canal orifices
D)Has a long shank
Q3) How does an electronic apex finder work?
A)Uses a microscope to visually enlarge the canal.
B)Uses a file with mm marks to measure canal length.
C)Attaches to a reamer and emits a tone when located.
Q4) A Peso file is used to remove debris from the root canal.
A)True
B)False
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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) 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 sharpening stone is used to sharpen scalers and curettes?
A)India stone
B)Arkansas stone
C)Ceramic stone
D)All of the above are correct.
E)Only B and C are correct.
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Chapter 13: Preventive and Sealant Instruments and Bleaching Trays
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Sample Questions
Q1) To precisely cut material, especially for bleaching trays, the instrument of choice is
A)short blade scissors.
B)long blade scissors.
C)model trimmer.
D)alcohol torch.
Q2) 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
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
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Chapter 14: Orthodontic Instruments
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21 Flashcards
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Sample Questions
Q1) What is the small device bonded to the teeth to hold the orthodontic arch wires.
A)Orthodontic band with tubing and hook
B)Bracket Ligature ties
C)Bracket
D)Both A and C are correct.
Q2) Which instrument is used to remove brackets from the teeth?
A)Bracket remover
B)Adhesive remover
C)How (or Howe) pliers
D)Posterior band remover
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.
Q4) A Kobayashi tie features a preformed hook.
A)True
B)False
16
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Chapter 15: Universal Surgical Instruments
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Sample Questions
Q1) What can a patient bite down on to hold the mouth open during a dental procedure?
A)Mouth gag
B)Mouth prop
C)Tongue and cheek retractor
D)None of the above
Q2) Which instrument is used to grasps tissue or bone fragments?
A)Hemostat
B)Suture scissors
C)Periosteal elevator
D)Suture needle holder
Q3) The steps for removing a scalpel blade using a scalpel blade remover include inserting the blade with the blade side up.
A)True
B)False
Q4) A mouth gag should NOT be used with sedated patients.
A)True
B)False
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Chapter 16: Periodontal Instruments and Periodontal Surgical Instruments
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Sample Questions
Q1) Select the instruments that would be included on the periodontal surgical tray setup.
A)Tissue forceps
B)Periosteal elevator
C)High-volume surgical aspirating tip
D)Disposable irrigating syringe for sterile saline solution
E)All of the above
Q2) Which angle is associated with an interdental file?
A)Curved
B)Straight
C)Mesial/distal
D)Buccal/lingual
E)All of the above.
Q3) The mesial/distal and buccal/lingual hoes are designed to function in posterior locations only.
A)True
B)False
Q4) To create a bevel incision for a gingivectomy, the best instrument of choice is
A)periodontal knife--spear point.
B)periodontal knife--kidney shaped.
18
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Chapter 17: Oral Surgery Extraction Instruments
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Sample Questions
Q1) Root-tip elevators remove small root tips in difficult areas.
A)True
B)False
Q2) Which type of surgical forceps is designed to extract trifurcated tooth #14?
A)No. 17
B)No. 88R
C)No. 88L
D)Cryer No. 150
E)Cryer No. 151
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 rongeur is commonly used to trim and remove excess alveolar bone after extraction of teeth.
A)True
B)False
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Chapter 18: Sterilization Equipment
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Sample Questions
Q1) 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
Q2) Protective masks should be changed after every patient.
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.
Q4) If the indicator tape changes color, sterility is assured.
A)True
B)False
Q5) 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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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) Flexible rubber bowls are used to mix which material(s)?
A)Powder and liquid, such as irreversible hydrocolloid (alginate)
B)Plaster or stone for pouring up models
C)Reversible hydrocolloid
D)Polyvinylsiloxane
E)A and B are both correct.
Q3) The use of a water-cooled tray describes which impression technique?
A)Irreversible hydrocolloid
B)Reversible hydrocolloid
C)Polysulfide
D)Polyester
Q4) The flexible alginate spatula does not require sterilization following use.
A)True
B)False
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Chapter 20: Dental Imaging and Diagnostic Equipment
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Sample Questions
Q1) What areas should be seen on a periapical radiograph?
A)Crown, root, apex, and surrounding bone of a tooth.
B)Bony and soft tissue area of the facial profile.
C)Coronal part of a posterior teeth.
D)Coronal part of anterior teeth.
Q2) 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.
Q3) Which film size is usually used for an occlusal projection of the anterior teeth on a child? A)1 B)2 C)3
D)4
Q4) Holders for digital X-ray sensors feature slots on the ring that are color-coded to the type of X-ray taken.
A)True
B)False
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Chapter 21: Vital Signs and Beyond
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Sample Questions
Q1) What is the correct placement of the sphygmomanometer?
A)At the elbow.
B)Just below the elbow.
C)Just above the elbow.
D)2 inches above the bend of the elbow.
Q2) A pulse oxymeter measures the oxygen saturation in the blood.
A)True
B)False
Q3) A rubber bulb attaches to the cuff with rubber tubing in which device?
A)Capnograph
B)Pulse oximeter
C)Sphygmomanometer
D)None of the above is correct.
Q4) 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.
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