CDA Board Exam Questions | latest questions and answers | FULL TESTBANK | GRADED A+

CDA Board Exam Questions | latest questions and answers | FULL TESTBANK | GRADED A+ 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 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 - 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. - 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 - 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. - 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 - 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 - 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 - 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 - 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. - 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. - 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 - 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 - 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. - 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 - 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 - 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 - 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. - C. Kirkland knife All are examples of absorbable suture material EXCEPT A. plain catgut. B. chromic catgut. C. polyester fiber. D. polyglactin 910. - 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 - 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 - 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. - 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 - 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. C. ball burnisher. D. spoon excavator. - C. Ball burnisher The following instruments are used during a surgical extraction EXCEPT A. periosteal elevator. B. surgical aspirator tip. C. spoon excavator. D. forceps. - C. Spoon excavator When evaluating an alginate impression, which of the following will be reproduced in the maxillary impression? A. Tuberosities B. Mylohyoid ridge C. Lingual frenum D. Retromolar area - A. Tuberosities What is sodium hypochlorite used for during endodontic procedures? A. Sterilization B. Irrigation solution C. Filling material D. Anesthesia - B. Irrigation solution The dental assistant is preparing a disposable abrasive disc for use. Before being attached to the handpiece, the disc must first be mounted on a A. shank. B. mandrel. C. chuck. D. bur. - B. Mandrel When placing a dry angle for moisture control, the dry angle should be placed over the A. Wharton's duct. B. Bartholin's duct. C. Stensen's duct. D. sublingual duct. - C. Stenson's duct The 557 bur is BEST described as a A. tapered fissure cross-cut bur. B. straight fissure plain-cut bur. C. tapered fissure plain-cut bur. D. straight fissure cross-cut bur. - D. Straight fissure cross-cut bur When assisting in a pulp vitality test, all of the following item are necessary EXCEPT A. toothpaste. B. pressure indicator paste. C. pulp tester. D. gauze. - B. Pressure indicator paste Which of the following would the dentist MOST LIKELY use to access the pulp chamber during a root canal procedure? A. Round diamond bur B. Wheel diamond bur C. Flat-end taper diamond bur D. Flame diamond bur - A. Round diamond bur All of the following tests are used in an endodontic diagnosis EXCEPT A. electric pulp test. B. palpation. C. caries risk test. D. percussion. - C. Caries risk test Dental implants are MOST OFTEN made from A. copper. B. titanium. C. stainless steel. D. nickel. - B. Titanium Removal of the coronal portion of the vital pulp from the tooth is called A. pulpotomy. B. pulpitis.