DENTAL ASSISTANT Practice TestClick here to download 170+ questions and answers1. The portion of the tooth covered with enamel is known as the A. anatomic crown. B. clinical crown. C. coronal crown. 2. Spongy bone is also known as A. cortical bone. B. cancellous bone. C. crustiform bone. 3. Which of the following are types of carbide burs? 1. Round fissure 2. Tapered crosscut fissure 3. Straight crosscut fissure 4. Inverted cone fissure A. 1, 2, 3 B. 2, 3 C. 4 only D. All of the above 4. Which of the following are indications for radiographs?1. To detect bone loss 2. To detect carious lesions 3. Done if a full set was done before two years have elapsed 4. Done prior to oral surgery A. 1, 2, 3 B. 1, 2 C. 3 only D. 1, 2, 4 5. Glass ionomer contains _____, which is released slowly into the tooth structures. A. clove oil B. fluoride C. calcium D. phosphorus 6. Steam sterilization under pressure can be achieved with a/an A. ultrasonic cleaner. B. autoclave. C. dry heat method. 7. Lab cases such as dentures or partials should be A. disinfected prior to being placed in the operatory. B. disinfected prior to being placed in the patient’s mouth. C. disinfected before being sent to the lab. D. A and B 8. For operative dentistry, zinc phosphate cement is used A. to cement temporary crowns. B. as an alternative to a cavity liner. C. to cement permanent restorations. D. as a periodontal dressing. 9. Finishing discs come in x-fine, fine, medium, and coarse grits. A. True B. False 10. A custom tray can be used only for the patient it was fabricated for. A. True B. False 11. Dental units and chairs should be cleaned A. between each and every patient. B. at the beginning of each day. C. only when visibly soiled. 12. Suction lines can be cleaned with A. commercial dental evacuation cleaners. B. bleach and water. C. A or B 13. The permanent dentition consists of _____ teeth. A. 32 B. 30 C. 36 D. 24 14. The _____ is a lead disk that is placed over the opening of the x-ray head. A. anode B. cathode C. collimator D. primary beam 15. The pulp is composed of the 1. pulp chamber. 2. coronal pulp. 3. tertiary dentin. 4. radicular pulp. A. 1, 2, 3 B. 2 only C. 1, 2, 4 D. 2, 4 Loading …Question 1 of 15 Restart Quiz Buy Now & Download
