Dental Assisting Principles
Practice Exam
Course Introduction
Dental Assisting Principles introduces students to the foundational concepts and essential skills required for a career as a dental assistant. The course covers the roles and responsibilities of dental assistants, infection control procedures, dental terminology, patient communication, and basic chairside techniques. Emphasis is placed on proper safety protocols, instrument identification, preparation of dental materials, and support in dental procedures. By combining theoretical knowledge with hands-on laboratory experience, students gain practical skills necessary for assisting dentists effectively and providing quality patient care in various dental settings.
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) In a mouth mirror, which type of mirror reflects the best image?
A)Flat surface mirror
B)Front surface mirror
C)Concave mirror
D)All of the above
Answer: B
Q2) 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
Q3) 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
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3
Chapter 2: Enamel Cutting Instruments
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19 Verified Questions
19 Flashcards
Source URL: https://quizplus.com/quiz/45599
Sample Questions
Q1) The instrument used to remove carious dentin in a cavity preparation is a(n)
A)hatchet.
B)hoe.
C)spoon excavator.
D)angle former.
E)gingival margin trimmer.
Answer: C
Q2) The enamel cutting instrument used to accentuate line and point angles in internal outline and retention in a cavity preparation is a(n)
A)hatchet.
B)binangle chisel.
C)straight chisel.
D)angle former.
E)gingival margin trimmer.
Answer: D
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4
Chapter 3: Local Anesthetic Syringe and Components
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17 Verified Questions
17 Flashcards
Source URL: https://quizplus.com/quiz/45600
Sample Questions
Q1) In the administration of local anesthesia, a short needle typically is used for what type of injection?
A)Infiltration
B)Block injection
Answer: A
Q2) 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
Q3) Which needle length is commonly used to administer an injection of anesthetic on the mandibular arch for a block injection?
A)Short needle
B)Long needle
Answer: B
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Chapter 4: Evacuation Devices, Airwater Syringe Tip and Dental Unit
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10 Verified Questions
10 Flashcards
Source URL: https://quizplus.com/quiz/45601
Sample Questions
Q1) 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
Q2) A characteristic of Isolite is
A)To retract tongue
B)To evacuate saliva and water from patient's mouth
C)To provide light to the working area of the mouth
D)All of the above
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
Q4) An _____________ chair features an adjustable seat level and front support bar.
A)Operator
B)Assistant
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Chapter 5: Dental Handpieces
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/45602
Sample Questions
Q1) 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
Q2) When using the surgical electrical handpiece unit, a lower speed may be used for what procedure?
A)Implants
B)Crown preparation
C)Surgical Extraction
D)All of the above
Q3) Which of the following can a slow-speed motor with contra-angle handpiece attachment be used for?
A)To remove decay
B)To cut a tooth with decay
C)To remove existing crowns or bridges
D)To grind veneers down for replacement
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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) Name the type of diamond bur used to reduce a tooth for a crown preparation on the lingual aspect of anterior teeth and for bulk reduction of incisal edges.
A)Diamond wheel
B)Diamond flame
C)Diamond flat-end cylinder
D)Diamond flat-end taper
Q2) The dental procedure requires a No. 37 bur for the tray setup. Which bur would you select?
A)Round bur
B)Tapered fissure-crosscut
C)Inverted cone
D)Straight fissure-plain cut
E)Pear-shaped bur
Q3) A bur with a straight and long shank fits into which type of handpiece?
A)High-speed handpiece
B)High-speed fiberoptic handpiece
C)Slow-speed straight
D)Slow-speed contra-angle
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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) A plastic dental dam frame may be left on during radiographic exposures.
A)True
B)False
Q2) A No. 4 size hole is punched for which teeth?
A)Premolars
B)Maxillary central and laterals
C)Maxillary cuspids
D)Molars
Q3) 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
Q4) Why must dental floss be attached to each dental clamp when being used during a dental procedure?
A)To prevent the patient from swallowing the dental clamp.
B)To prevent the dental clamp from dislodging.
C)To prevent the patient from feeling any pain from the dental clamp.
D)All of the above.
Page 9
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Chapter 8: Amalgam Restorative Instruments
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28 Verified Questions
28 Flashcards
Source URL: https://quizplus.com/quiz/45605
Sample Questions
Q1) Metal matrix bands are used for what type of cavity restoration?
A)Class I
B)Class II
C)Class III
D)Class IV
E)Class V
Q2) Which teeth can a universal matrix band be used for?
A)anterior teeth
B)posterior teeth
C)posterior and anterior teeth
D)posterior teeth except larger teeth
Q3) Which of the following instruments may be used to contour and carve interproximal anatomy in amalgam restorations?
A)Discoid-cleoid carver
B)Woodson
C)Hollenback carver
D)Tanner carver
Q4) A amalgam well is used to mix alloy and mercury into amalgam in a capsule.
A)True
B)False
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Chapter 9: Composite Restorative Instruments
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) Composite placement instrument is used to
A)carry composite material for cavity preparation.
B)place and condense composite material in cavity preparation.
C)carve the composite restoration.
D)All of the above
Q2) What color of protective shield lens protects the dentist's and the assistant's eyes during curing stage of a light-cured material?
A)Blue
B)Purple
C)Orange
D)Yellow
Q3) ________________is one of the protective shields used for light curing.
A)Orange goggles or shield
B)Clear goggles or shield
Q4) When a curing light is used for composite restorations, in what increments must the material be cured?
A)2 mm
B)3 mm
C)4 mm
D)5 mm
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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) The main purpose of crown and bridge scissors is to crimp and contour the marginal edge of a temporary crown.
A)True
B)False
Q2) Which instrument is used to place gingival retraction cord in the sulcus area of prepared teeth before impressions are taken?
A)Crown and bridge scissors
B)Contouring pliers
C)Retraction cord instrument
D)Crown-removing forceps
E)How (or Howe) pliers
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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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 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
Q2) Name the instrument used to help condense gutta-percha laterally in a canal for endodontic treatment.
A)Endodontic spreader
B)Endodontic plugger
C)Endodontic explorer
D)Glick instrument
Q3) _________________ is one of the tools used to carry amalgam to surgical site of apicoectomy.
A)Micro retro amalgam carrier
B)Amalgam condenser
C)Glick instrument
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13
Chapter 12: Hygiene Instruments
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15 Verified Questions
15 Flashcards
Source URL: https://quizplus.com/quiz/45609
Sample Questions
Q1) 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
Q2) 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
Q3) The use of an India stone should be preceded by the use of an Arkansas or ceramic stone.
A)True
B)False
Q4) _________________ is commonly used to sharpen scalers and curettes.
A)Battery-operated sharpening device
B)Sharpening stones
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Chapter 13: Preventive and Sealant Instruments and Bleaching Trays
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6 Verified Questions
6 Flashcards
Source URL: https://quizplus.com/quiz/45610
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 usually are given to children
A)once a month.
B)once every 2 months.
C)once every 4 months.
D)once every 6 months.
E)once every 2 years.
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Chapter 14: Orthodontic Instruments
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21 Verified Questions
21 Flashcards
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Sample Questions
Q1) The _____ helps remove adhesive from the tooth after debonding of the brackets.
A)ligature director
B)orthodontic hemostat (Mathieu pliers)
C)adhesive-removing pliers
D)orthodontic scaler
Q2) 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
Q3) What instrument is part of the orthodontic setup for removing excess bonding material?
A)Shure scaler
B)Universal scaler
C)Universal curettes
Q4) A Kobayashi tie features a preformed hook.
A)True
B)False
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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) A periosteal elevator is used on oral surgery and periodontal surgical tray setups.
A)True
B)False
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) Name the instrument(s) that aids in placing and holding the needle for sutures.
A)Hemostat
B)Suture scissors
C)Suture needle holder
D)All of the above
Q4) A mouth gag should not be used with sedated patients.
A)True
B)False
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17
Chapter 16: Periodontal Instruments and Periodontal Surgical Instruments
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12 Verified Questions
12 Flashcards
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Sample Questions
Q1) 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
Q2) 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.
Q3) Which instrument is used for interdental cutting of gingiva and removal of tissue?
A)Peristome
B)Periodontal kidney-shaped knife
C)Interdental spear-point knife
D)Interdental file
E)Curette
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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) Identify the instrument used to split or section a tooth for easier removal; the instrument is used with a surgical mallet.
A)Rongeur
B)Bone file
C)Hemostat
D)Bone chisel
E)Straight elevator
Q2) Which type of universal surgical forceps is designed to extract maxillary molars?
A)No. 10S
B)No. 16
C)No. 17
D)No. 88L
E)No. 88R
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
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Chapter 18: Sterilization Equipment
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18 Verified Questions
18 Flashcards
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Sample Questions
Q1) Nitrile utility gloves protect hands during processing of the dental instruments for sterilization and disinfection.
A)True
B)False
Q2) Name the unit that removes debris and bioburden from instruments.
A)Ultrasonic cleaning unit
B)Autoclave unit
C)Sterilization bath
D)All of the above
Q3) When indicator tape is placed outside a cassette, the strips will NOT change color after the sterilization process.
A)True
B)False
Q4) 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
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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) Alginator is used for many dental procedures involving taking an alginate impression.
A)True
B)False
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) ______________ is the flexible dental instrument to manipulate materials.
A)Flexible alginate spatula
B)Flexible rubber bowl
C)None of the above
Q4) The Automixer is used for which type of material?
A)Polyvinylsiloxane
B)Alginate (irreversible hydrocolloid)
C)Reversible hydrocolloid
D)None of the above
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21
Chapter 20: Dental Radiography Equipment
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20 Verified Questions
20 Flashcards
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Sample Questions
Q1) The purpose of taking bite-wing x-rays is to view the
A)root tips (apices) of the teeth.
B)root and the apex of the tooth.
C)anterior teeth to diagnose caries.
D)coronal part of the posterior teeth for diagnosing caries.
Q2) A cephalometric radiograph takes a view of the A)maxillary teeth.
B)mandibular teeth.
C)maxillary and mandibular teeth, all on one x-ray.
D)bony and soft tissue areas of the facile profile.
Q3) Which type of film uses the least amount of radiation?
A)"E" speed
B)"D" speed
C)"F" speed
D)All above use the same amount of radiation.
Q4) _____________ is the part of the film to protect the film from light penetration.
A)Lead foil
B)Black paper
C)Vinyl cover
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