CDA Board UPDATED Exam Questions and CORRECT Answers
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Course
CDA
Institution
CDA
CDA Board UPDATED Exam Questions
and CORRECT Answers
Which of the following would require the dental assistant to place topical anesthetic at the
mental foramen prior to the local anesthetic injection?
A. Incisive Nerve Block
B. Inferior Alveolar Nerve Block
C. Nasopalatine Nerve Block
D. ...
CDA Board UPDATED Exam Questions
and CORRECT Answers
Which of the following would require the dental assistant to place topical anesthetic at the
mental foramen prior to the local anesthetic injection?
A. Incisive Nerve Block
B. Inferior Alveolar Nerve Block
C. Nasopalatine Nerve Block
D. Buccal Nerve Block - Correct Answer- A. Incisive Nerve Block
Which of the following ratios provides the HIGHEST percentage of vasoconstrictor to local
anesthetic?
A. 1 : 100,000
B. 1 : 200,000
C. 1 : 50,000
D. 1 : 20,000 - Correct Answer- D. 1 : 20,000
Which of the following best describes the proper stroke that the dental assistant should use
when performing coronal polishing?
A. The assistant should stroke the polishing cup from the gingival third toward the incisal
third of the tooth.
B. The assistant should stroke the polishing cup from the incisal third toward the gingival
third of the tooth.
C. The assistant should stroke the polishing cup from the distal third toward the mesial third
of the tooth.
D. The assistant should stroke the polishing cup from the mesial third toward the distal third
of the tooth. - Correct Answer- A. The assistant should stroke the polishing cup from the
gingival third toward the incisal third of the tooth.
When trimming the suture after it has been tied off, how far from the knot should the dental
assistant trim?
A. 4-5 mm
,B. 0-1 mm
C. 2-3 mm
D. 3-4 mm - Correct Answer- C. 2-3 mm
To aid in the osseointegration process of an implant, the implant may be coated with
A. glycerin gel.
B. parachlorophenol.
C. hydroxyapatite.
D. gutta percha. - Correct Answer- C. Hydroxyapatite
Which of the following would MOST LIKELY be selected to place retention grooves within
a cavity preparation?
A. 557 bur
B. 35 bur
C. 8 bur
D. 169 bur - Correct Answer- B. 35 Bur
Which of the following instrument grasps will the dentist utilize when holding #151
extraction forceps?
A. A palm-thumb grasp
B. A pen grasp
C. A palm grasp
D. A reverse palm-thumb grasp - Correct Answer- C. A palm grasp
The dental assistant is taking a final impression for a maxillary denture. Which of the
following anatomical landmarks does NOT need to be included?
A. Post dam
B. Frenum attachments
C. Hamular notches
D. Genial tubercles - Correct Answer- D. Genial tubercles
,When assisting in a Class III or IV composite restorative procedure, what is the best type of
matrix that should be used?
A. Auto matrix
B. Clear matrix
C. Universal retainer
D. T-band - Correct Answer- B. Clear Matrix
When curing a composite, the curing light tip should be held at a
A. 45-degree angle to the tooth.
B. 90-degree angle to the tooth.
C. 10-degree angle to the tooth.
D. 20-degree angle to the tooth. - Correct Answer- B. 90-degree angle held to the tooth
Which of the following charting symbols indicates that tooth #16 is impacted?
A. Tooth #16 has a blue "X" marked through the tooth.
B. Tooth #16 has the canal area filled in with blue.
C. Tooth #16 has a red jagged line through the root.
D. Tooth #16 has a red circle around the entire tooth. - Correct Answer- D. Tooth #16 has a
red circle around the entire tooth.
When evaluating a patient's bite, which of the following describes the sliding of the mandible
to the left or right?
A. Retrusion
B. Protrusion
C. Centric relation
D. Lateral excursion - Correct Answer- D. Lateral excursion
Which of the following materials would be used in treating alveolar osteitis (dry socket)?
A. Iodoform gauze
B. Formocresol
C. Sodium hypochlorite
, D. Cold-cured acrylic - Correct Answer- A. Iodoform gauze
All of the following are necessary armamentarium for determining jaw relationship EXCEPT
A. sutures.
B. baseplate wax.
C. face bow assembly.
D. sharp lab knife. - Correct Answer- A. Sutures
Which of the following parts of the Tofflemire retainer is adjusted in order to increase or
decrease the size of the matrix band loop?
A. Inner knob
B. Spindle
C. Outer knob
D. Diagonal slot - Correct Answer- A. Inner knob
Which instrument is used to check the occlusion when the procedure is complete?
A. Tofflemier
B. Articulating holder and paper
C. Spatula
D. Cotton rolls - Correct Answer- B. Articulating holder and paper
Which of the following implants is used MOST FREQUENTLY to support a mandibular
complete denture?
A. Transosteal implant
B. Subperiosteal implant
C. Endosteal implant
D. Superperiosteal implant - Correct Answer- B. Subperiosteal implant
All of the following are used during an endodontic procedure EXCEPT
A. Hedstrom.
B. Gates Glidden.
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