CDA Board Exam UPDATED ACTUAL Exam Questions and CORRECT Answers

CDA Board Exam UPDATED ACTUAL
Exam Questions and CORRECT Answers
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.
C. Kirkland knife.

D. K-files. - CORRECT ANSWER - C. Kirkland knife


All are examples of absorbable suture material EXCEPT
A. plain catgut.
B. chromic catgut.
C. polyester fiber.

D. polyglactin 910. - CORRECT ANSWER - C. Polyester fiber


Which of the following pliers would MOST likely be used to adjust a C-clasp on a removable
partial denture?
A. Howe pliers

, B. Contouring pliers
C. Weingart utility pliers

D. Three-prong pliers - CORRECT ANSWER - D. Three-prong pliers


Which of the following is NOT part of a periodontal examination?
A. Mobility
B. Electric pulp test
C. Periodontal probing

D. Occlusal adjustment - CORRECT ANSWER - B. Electric pulp test


All of the following are duties performed by the dental assistant during a patient examination
EXCEPT
A. the dental assistant charts the dentist's findings.
B. the dental assistant takes preliminary impressions.
C. the dental assistant probes the periodontal pocket.

D. the dental assistant exposes the radiographs. - CORRECT ANSWER - C. The dental
assistant probes the periodontal pockets.


Which of the following dental conditions is charted by placing two vertical lines between two
adjacent teeth?
A. Diastema
B. Root canal
C. Drifting

D. Extraction - CORRECT ANSWER - A. Diastema


When removing excess cement from provisional coverage, all of the following instruments are
necessary EXCEPT
A. explorer.
B. dental floss with knot tied.