EFDA Exam Review (EFDA - Expanded Function Dental Auxiliary) 2023

EFDA Exam Review (EFDA - Expanded Function Dental Auxiliary) 1. Dental arch wires are held in place by: Ligature ties and elastomeric ties 2. Which type of cement is preferred for cementation of ceramic veneers?: - Composite Resin 3. The plastic U-shaped frame is placed the dam; the metal Young frame and the Ostby frame are placed the dam.: Under; Outside 4. The primary advantage of non-eugenol periodontal surgical dressing over periodontal surgical dressing that does contain eugenol is that: Some pa- tients are allergic to the eugenol and could experience redness and burning pain in the area of the dressing 5. A cotton roll holder is designed to hold multiple cotton rolls in a more secure manner for the quadrant.: Mandibular 6. The area of the Mesial or distal surface of a tooth that touches the adjacent tooth in the same arch: Contact Area 7. When constructing with a vacuum former, you will use a heavier gauge, flexible plastic that does not require a spacer but does require an attachment for the strap: A Mouth Guard 8. Selective polishing is recommended, because the:: Abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer. 9. The diagram used for charting the teeth includes primary teeth and permanent teeth: 20; 32 10. If excess cement is not removed from in and around the gingival margin and sulcus of the tooth, the cement can: Irritate the area and cause inflamma- tion and discomfort. 11. Which of the following choices represents the lowest ratio, meaning greatest concentration, of vasoconstrictor in local anesthetic?: 1:20,000 12. A is an instrument calibrated in millimeters that is used to locate and measure the depth of periodontal pockets.: Periodontal probe 13. The dental wax that is used for recording occlusal rims and for denture wax-ups and that is supplied in sheets is called wax: Base plate 14. Covers half of an arch: Quadrant tray 15. are available in a synthetic material for patients with latex aller- gies.: Polishing cups 16. The dental assistant may have the responsibility of placing the mixed cement into the casting the cement should be loaded: So that a thin lining covers all internal walls for the casting 17. are used to remove a tooth in one piece, with the crown and root intact.: Forceps 18. Visible light-cured sealants are polymerized by photo initiators in the resin that are sensitive to the visible blue light spectrum.: Light-cured sealants 19. Final impressions are taken by the: Dentist 20. The dental restorations created in the laboratory by the dental laboratory technician are classified as: Indirect restorations 21. is less irritating to the pulp than is zinc phosphate cement and the pulp reaction is similar to that ZOE cement.: Polycarboxylate cement 22. DISLODGEMENT OF THE CLOT FROM THE SOCKET OR AN INFECTION IN THE SOCKET THAT RESULTS IN A FAILURE OF THE HEALING PROCESS CAN LEAD TO: ALVEOLITIS AND DRY SOCKET 23. Which of the following cement types is/are the most versatile and the least irritating to the pulp?: ZOE Cement and Glass ionomer cement 24. May be monitored by a certified dental assistant in some states after completion of a board certified course: Intravenous sedation 25. The term refers to placing the thumb of one hand inside the mouth and the index and third finger of the other hand outside the mouth, and gently feeling the tissues for any lumps or abnormalities.: Palpation 26. The retention of the sealant is obtained by etching the enamel with , to roughen and to open the pores in enamel.: Phosphoric acid 27. After it is used, an HVE tip is: Thrown away 28. The term FULCRUM is used to describe the placement of the finger of the hand to stabilize the handpiece or instrument being used: Third 29. The use of an anesthetic solution without a vasoconstrictor is recom- mended for patients with a history of : Recent myocardial infarction 30. Which of the following procedures takes place during the second ap- pointment for the placement of a cast restoration?: Try-in and cementation 31. Sealants are indicated for : Some maxillary central and latoral incisors. 32. The first step in placing dental sealants is to the surface.: Clean 33. The gauge of the needle refers to the thickness of the needle; the larger the gauge, the the needle: Thinner 34. The dentist will treat severely decayed and endodontically treated prima- ry teeth with: Stainless steel crowns 35. A preliminary impression would be used for: Custom trays 36. The guidelines for mixing dental cements tell you to: Dispense the powder first and then the liquid 37. The final step after cementing the provisional coverage is: Checking the occlusion 38. Sticky foods should be avoided during orthodontic treatment because they: Loosen bands, pull out ligature ties, and bend arch wires 39. Which of the following must be used to protect dental personnel from the occupational risks of nitrous oxide by reducing the N20 released into the treatment room ?: Scavenger system and a patient mask that fits well and doesn't leak 40. Forceps extraction: Perform on a tooth that is fully erupted and has a solid intact crown which is grasped firmly with forceps 41. During the loading of an anesthetic syringe, the is loaded first: - Anesthetic cartridge 42. Which component of a treatment care plan would be delivered to the patient first: Pain or discomfort 43. An example of enamel bonding is the placement of what?: Sealants 44. The HVE suction tip should be positioned: The edge of the suction tip is even with or slightly beyond the occlusal surface or incisal edge 45. Anesthesia: A temporary loss of feeling or sensation. 46. Responsibilities of the dental assistant in documenting the clinical exam- ination include: Charting the correct tooth and correct conditions 47. When referring to a tooth charting diagram, the teeth are presented from the perspective of looking the patient's mouth, and the ride side of the patient's mouth appears on the side of the page.: into; left 48. A gingival retraction cord is placed after the crown preparation is completed; it is removed just before the final impression is taken.: - after, just before 49. Using Black's classification of cavities of pits and fissures on the oc- clusal surface of molars and premolars is considered a Class restoration or cavity: Class I 50. The most frequently selected form of pain control used in dentistry is : Local anesthesia 51. Which of the following choices represents an endogenous stain?: An excessive amount of fluoride during the development of the tooth 52. is added to dental amalgam alloy powder to suppress: Zinc 53. A matrix must be used to create a temporary wall for which of the following classifications of tooth restoration?: Class II, III, IV 54. To contour a metal matrix band for posterior teeth, place the band on a paper pad and rub the inner surface of the band with until the ends begin to curl.: A burnisher or the end of a mirror handle 55. What is the most common type of attachment for fixed appliances: Bond- ed bracket 56. Materials that are versatile in their uses, such as for specialized dental bases, include: Dental cements 57. Protective bases are placed when it is necessary to protect the pulp before the restoration is placed, because without this protection there may be:: Sensitivity and damage to the pulp 58. The HVE is able to take up water and debris because a volume of air is moved into the vacuum hose a pressure to create a strong suction.: High;low 59. Temporary cements are used when the dentist will: Need to remove the indirect restoration at a later time.