Chairside Assisting Final Exam Questions
Course Introduction
Chairside Assisting is a fundamental course designed to introduce students to the essential principles, techniques, and responsibilities of a dental assistant working alongside a dentist during patient care. The course emphasizes the development of clinical skills required to efficiently prepare treatment areas, manage dental instruments and materials, and deliver direct support to dentists in a variety of dental procedures. Topics include infection control practices, patient preparation, four-handed dentistry techniques, effective communication with patients and dental team members, and post-procedure cleanup. Practical laboratory sessions and simulated chairside scenarios provide opportunities for students to gain hands-on experience, preparing them for entry-level roles in dental assisting environments.
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
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Chapter 1: Basic Dental Instruments
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6 Verified Questions
6 Flashcards
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Sample Questions
Q1) 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
Q2) 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
Q3) Which of the following instruments is part of a basic setup for most dental procedures?
A)Curette
B)Periodontal probe
C)Cotton forceps (pliers)
D)Spoon excavator
Answer: C
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Chapter 2: Enamel Cutting Instruments
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19 Verified Questions
19 Flashcards
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Sample Questions
Q1) 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
Q2) On a four-number enamel cutting instrument, the third 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: C
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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Chapter 3: Local Anesthetic Syringe and Components
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17 Verified Questions
17 Flashcards
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Sample Questions
Q1) 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
Q2) A needle stick protector holds the needle sheath for two-handed recapping after an injection.
A)True
B)False
Answer: False
Q3) 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
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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) The purpose of the low-volume (velocity) evacuator for mandibular arch is
A)to remove small amount of saliva and fluid from the mouth.
B)to remove large amounts of saliva and fluid from the mouth.
C)to retract tongue during a dental procedure.
D)A and C
E)All of the above
Q2) A rheostat is used for
A)running handpieces on a dental delivery system
B)chair adjustment
C)adjusting the light
D)All of the above
Q3) 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
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
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Sample Questions
Q1) What is the advantage of a fiberoptic high-speed handpiece compared to a regular high-speed handpiece?
A)It is used with a bur to cut a tooth with decay or other dental anomalies.
B)It is used for adjusting crowns and bridges for final fit.
C)When used with a bur, it generates an extreme amount of heat.
D)It is used to provide light intraorally during use of handpiece.
Q2) The laser handpiece typically is used
A)for a class II cavity preparation.
B)for a class IV cavity preparation.
C)to cut soft tissue.
D)to control bleeding.
E)C and D
Q3) Name the type of handpiece used with the high pressure of alpha-alumina particles.
A)Slow-speed straight handpiece
B)Slow-speed contra-angle handpiece
C)High-speed handpiece
D)Implant handpiece
E)Air abrasion handpiece
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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 would you select if the dentist requested a No. 330 bur?
A)Round bur
B)Inverted cone
C)Straight fissure-crosscut
D)Pear-shaped bur
E)Tapered fissure-crosscut
Q2) 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
Q3) Which of the following functions is not a function of a finishing bur?
A)To equilibrate or adjust occlusion
B)To finish composite restoration
C)To place retention grooves in walls of cavity preparation
D)To finish restoration by restoring anatomy in tooth
Q4) With bur size, an L at the end of the number indicates a long shank.
A)True
B)False
Page 8
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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 color is an indication of a latex-free dental dam?
A)Green
B)Blue
C)Purple
D)Gray
Q2) Which of the following is part of the clamp?
A)Bow
B)Jaws
C)Holes
D)All of the above
Q3) A No. 4 size hole is punched for which teeth?
A)Premolars
B)Maxillary central and laterals
C)Maxillary cuspids
D)Molars
Q4) A No.____ size hole is designated for an anchor tooth.
A)5
B)4
C)2
D)1
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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) Name the part of the Tofflemire/Matrix band retainer that adjusts the size or loop of the matrix band to fit around the tooth and that loosens the band for removal.
A)Guide slot
B)Diagonal slot
C)Spindle
D)Inner knob
E)Outer knob
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
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Page 10
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) 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
Q3) What instrument is used to apply conditioning, primer, and bonding material to a cavity preparation?
A)Woodson
B)Composite placement instrument
C)Liner applicator
D)Applicator with brush
Q4) ________________is one of the protective shields used for light curing.
A)Orange goggles or shield
B)Clear goggles or shield
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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 function of the trial crown remover is to
A)remove temporary crowns.
B)place permanent crowns on the prepared tooth.
C)remove permanent crowns during the try-in phase.
D)None of the above
E)All of the above
Q2) Which of the following instruments is used to shape the marginal edge of a temporary crown or stainless steel crown?
A)Self-locking cotton pliers
B)Contouring pliers
C)Crown and bridge scissors
D)Cotton pliers
Q3) Name the instrument(s) that are found on a tray setup for seating a crown
A)Flexible cement mixing spatula
B)Woodson instrument
C)Wooden bite stick
D)Trial crown remover
E)All of the above
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12
Chapter 11: Endodontic Instruments
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27 Verified Questions
27 Flashcards
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Sample Questions
Q1) Which endodontic instrument is used to remove pulp tissue from the canals?
A)Broach
B)Reamer
C)K-File
D)Hedstrom File
Q2) _________________ is the tool that is used in condensing the gutta-percha laterally in canal.
A)Endodontic spreader
B)Gutta-percha warming unit
C)Endodontic plugger
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
Q4) Name the instrument used to remove the pulp tissue from a canal.
A)Broach
B)K-type file
C)Hedstrom file
D)Reamer
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Chapter 12: Hygiene Instruments
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15 Verified Questions
15 Flashcards
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Sample Questions
Q1) Ultra-high-frequency sound waves convert mechanical energy into vibrations for the ultrasonic scaler.
A)True
B)False
Q2) 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
Q3) _________________ is used on hygiene and periodontal setups, and the tips are also known as ultrasonic inserts.
A)Ultrasonic scaler instrument tip
B)Ultrasonic machine with timer attachment
C)Electric hand scaler tip
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Chapter 13: Preventive and Sealant Instruments and Bleaching Trays
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6 Flashcards
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Sample Questions
Q1) 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
Q2) 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.
Q3) 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.
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Chapter 14: Orthodontic Instruments
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21 Verified Questions
21 Flashcards
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Sample Questions
Q1) Which instrument would be included on a tray setup for an orthodontic tying-in arch wire?
A)Separating pliers
B)Orthodontic hemostat (Mathieu pliers)
C)Spring coil separators
D)Crimping pliers
E)Ligature director
Q2) A Kobayashi tie features a preformed hook.
A)True
B)False
Q3) 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
Q4) Besides cotton rolls, what can be used to retract a patient's lip for orthodontic procedures?
A)Lip retractor
B)Headgear
C)Mouth gag
Page 16
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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) 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
Q2) What is the function of suture scissors?
A)To cut the sutures
B)To slice the sutures
Q3) A mouth gag should not be used with sedated patients.
A)True
B)False
Q4) Name the instrument that grasps tissue or bone fragments.
A)Hemostat
B)Suture scissors
C)Suture needle holder
D)All of the above
Q5) 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) _____________________ is a type of instrument used to measure the pocket depth in millimeter increments.
A)Millimeter ruler
B)Periodontal explorer
C)Periodontal probe
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) Select the instruments that would be included on the periodontal surgical tray setup.
A)Tissue forceps
B)High-volume surgical aspirating tip
C)Periosteal elevator
D)Disposable irrigating syringe for sterile saline solution
E)All of the above
Q4) A back-action hoe removes bone adjacent to teeth without causing trauma.
A)True
B)False
18
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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) 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
Q2) Which of the following instruments is (are) used to extract mandibular anterior teeth?
A)Mandibular anterior forceps
B)Mandibular bicuspid forceps
C)Elevator
D)Mandibular root forceps
Q3) Which type of universal surgical forceps is designed to extract mandibular first and second molars?
A)No. 10S
B)No. 16
C)No. 17
D)No. 88L
E)No. 88R
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Chapter 18: Sterilization Equipment
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Sample Questions
Q1) Which of the following is true about Protective glasses/eyewear?
A)Protect against chemicals, airborne pathogens, bacteria, and viruses during processing of dental instruments for sterilization.
B)Protect against airborne pathogens, bacteria and viruses during patient care and against scrap-filling material during restorative and rinsing phases of patient treatment. C)A and B are both true.
Q2) Which of the following is NOT a characteristic of overgloves?
A)To wear over examination gloves when leaving the patient
B)To wear as a protective barrier over examination gloves so as not to cross-contaminate
C)To wear during patient care
D)All of the above
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
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Chapter 19: Dental Materials Equipment
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7 Flashcards
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Sample Questions
Q1) The Automixer is used for which type of material?
A)Polyvinylsiloxane
B)Alginate (irreversible hydrocolloid)
C)Reversible hydrocolloid
D)None of the above
Q2) ______________ is the flexible dental instrument to manipulate materials.
A)Flexible alginate spatula
B)Flexible rubber bowl
C)None of the above
Q3) 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).
Q4) 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
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Chapter 20: Dental Radiography Equipment
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Sample Questions
Q1) Unwrapped film left too close to the safelight or exposed for more than 2 to 3 minutes will appear fogged.
A)True
B)False
Q2) A panoramic radiograph takes a view of the
A)maxillary and mandibular teeth, all on one x-ray.
B)bony and soft tissue areas of the facile profile.
C)maxillary teeth.
D)mandibular teeth.
Q3) A ______ XCP holder holds film when taking projections for endodontic procedures.
A)red
B)blue
C)green
D)yellow
Q4) ______________ is the imaging unit that is commonly used for exposing extraoral radiographs.
A)Panoramic and cephalometric imaging unit
B)CAD CAM unit
C)Ultrasound imaging unit
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