DANB CDA Exam 85 Questions And Answers

EXAMS AND CERTIFICATIONS 85 Terms | DANB CDA Exam 85 Questions And Answers
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Terms in this set 85
The permanent dentition normally contains how many teeth?
A. 28
B. 30
C. 32
D. 26
Answer is C (Adults typically have 32 teeth including 3rd molars)
Which tooth surface faces the cheeks on maxillary molars?
A. Lingual
B. Buccal
C. Mesial
D. Distal
Answer is B (buccal faces cheeks, lingual faces tongue)
Which instrument is primarily used to examine pits and fissures for caries?
A. Perio probe
B. Explorer
C. Condensor
D. Plastic Instrument
Answer is B (Explorer tests pits/fissures and margins)
The correct sequence for four-handed dentistry instrument transfer is:
A. grasp -> transfer -> retrieve -> rest
B. transfer -> grasp -> retrieve -> rest
C. retrieve -> transfer -> grasp -> rest
D. grasp -> retrieve -> transfer -> rest
Answer is A ( secure grasp -> transfer -> retrieve -> rest/organize)
The chairside assistant's best fulcrum during intraoral procedures provides:
A. Maximum reach
B. Infection control
C. Hand stability and control
D. Faster transfers
Answer is C (A stable fulcrum improves precision and safety
When seating a patient for maxillary impressions with gag reflex, the best position is:
A. Fully supine
B. Semi-upright/upright
C. Trendelenburg
D. Prone
Answer is B (Upright/semi-upright helps control gag reflex and flow)
Which isolation method provides both moisture control and soft tissue retraction?
A. Cotton rolls
B. Dry-angles
C. Rubber Dam
D. Saliva ejector only
Answer is C (Rubber dam provides best isolation + retraction + safety
which bur shape is most associated with creating retention in amalgam preps?
A. Pear-shaped
B. Inverted cone
C. Round finishing
D. Flame carbide
Answer is B (Inverted cone helps create undercuts/retention in certain preps
Which syringe component engages the rubber stopper of an anesthetic carpule?
A. Harpoon
B. Thumb ring
C. Barrel
D. Piston rod
Answer is A (Harpoon engages the stopper for aspiration/activation)
The assistant loads a tofflemire retainer with the matrix band so the:
A. Smaller loop faces gingival
B. Larger loop faces gingival
C. Smaller loop faces occlusal
D. Either orientation is acceptable
Answer is B (Larger loop toward gingival to cover the cervical area