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CDA Board Exam Questions with Correct Answers Perfectly Solved
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CDA Board Exam Questions with Correct Answers Perfectly Solved
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CDA Board Exam Questions with Correct AnswersPerfectly Solved
1.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: A. Incisive Nerve Block
2.Which of the following ratios provides the HIGHEST percentage of
vasocon- strictor to local anesthetic?
A. 1 : 100,000
B. 1 : 200,000
C.1 : 50,000
A.1 : 20,000: D. 1 : 20,000
3.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.: A. The assistant should stroke the
polishing cup from the gingival third toward the incisal third of the
tooth.
4.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: C. 2-3 mm
5.To aid in the osseointegration process of an implant, the implant may
be coated with
A. glycerin gel.
B. parachlorophenol.
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,C. hydroxyapatite.
D. gutta percha.: C. Hydroxyapatite
6.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: B. 35 Bur
7.Which of the following instrument grasps will the dentist utilize when
hold- ing #151 extraction forceps?
A. A palm-thumb grasp
B. A pen grasp
C. A palm grasp
D. A reverse palm-thumb grasp: C. A palm grasp
8.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: D. Genial tubercles
9.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: B. Clear Matrix
10.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.: B. 90-degree angle held to the tooth
11.Which of the following charting symbols indicates that tooth #16 is
impact- ed?
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.: D. Tooth #16 has a
red circle around the entire tooth.
12.When evaluating a patient's bite, which of the following describes
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,the sliding of the mandible to the left or right?
A. Retrusion
B. Protrusion
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, C. Centric relation
D. Lateral excursion: D. Lateral excursion
13.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: A. Iodoform gauze
14.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.: A. Sutures
15.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: A. Inner knob
16.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: B. Articulating holder and paper
17.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: B. Subperiosteal implant
18.All of the following are used during an endodontic procedure EXCEPT
A. Hedstrom.
B. Gates Glidden.
C. Kirkland knife.
D. K-files.: C. Kirkland knife
19.All are examples of absorbable suture material EXCEPT
A. plain catgut.
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