EFDA Exam Review questions with complete solution

EFDA Exam Review questions with complete solution Dental arch wires are held in place by -Correct Answer-Ligature ties and elastomeric ties Which type of cement is preferred for cementation of ceramic veneers? -Correct Answer-Composite Resin The plastic U-shaped frame is placed _____ the dam; the metal Young frame and the Ostby frame are placed _____ the dam. -Correct Answer-Under; Outside The primary advantage of non-eugenol periodontal surgical dressing over periodontal surgical dressing that does contain eugenol is that -Correct Answer-Some patients are allergic to the eugenol and could experience redness and burning pain in the area of the dressing A cotton roll holder is designed to hold multiple cotton rolls in a more secure manner for the _____ quadrant. -Correct Answer-Mandibular The area of the Mesial or distal surface of a tooth that touches the adjacent tooth in the same arch -Correct Answer-Contact Area 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 -Correct Answer-A Mouth Guard Selective polishing is recommended, because the: -Correct Answer-Abrasive agent used during coronal polishing actually removes a small amount of the fluoride-rich outer enamel layer. The diagram used for charting the teeth includes _____ primary teeth and _____ permanent teeth -Correct Answer-20; 32 If excess cement is not removed from in and around the gingival margin and sulcus of the tooth, the cement can -Correct Answer-Irritate the area and cause inflammation and discomfort. Which of the following choices represents the lowest ratio, meaning greatest concentration, of vasoconstrictor in local anesthetic? -Correct Answer-1:20,000 A ____ is an instrument calibrated in millimeters that is used to locate and measure the depth of periodontal pockets. -Correct Answer-Periodontal probe The dental wax that is used for recording occlusal rims and for denture wax-ups and that is supplied in sheets is called ______________ wax -Correct Answer-Base plate Covers half of an arch -Correct Answer-Quadrant tray ______ are available in a synthetic material for patients with latex allergies. -Correct Answer-Polishing cups The dental assistant may have the responsibility of placing the mixed cement into the casting the cement should be loaded -Correct Answer-So that a thin lining covers all internal walls for the casting