EFDA Board EXAM 2023 WITH CORRECT SOLUTIONS

C. Enamel Which of the following is the hardest tissue in the body? A. Bone B. Cementum C. Enamel D. Dentin B. Inorganic Enamel is 95-96% A. Organic B. Inorganic C. Perform a therapeutic intraoral adjustment of a fixed bridge Which of the following is not a legal duty for an EFDA in Ohio? A. Place medication in pulp chambers of a tooth with a devital pulp. B. Place and remove surgical dressings. C. Perform a therapeutic intraoral adjustment of a fixed bridge D. Elect the shade for the fabrication of a porcelain veneer crown. B. MN second premolar Nam ether premolar most likely to have there cusps: A. MN first premolar B. MN second premolar C. MX first premolar D. MX second premolar B. Within dentin for improved retention Pins can be used during the placement of a large restoration. Where and why are pins placed? A. within enamel for improved retention B. Within dentin for improved retention C. Within enamel for increased esthetics D. Within dentin and enamel, for improved retention B. Decreased creep Some amalgam brands are considered to have high copper content. What would be the benefit of this type of amalgam? A. Increase in gamma II phase B. Decreased creep C. Increased corrosion D. Decreased delayed expansion F. All of the above High copper amalgam content results in: A. Increased strength B. Decreased corrosion C. Decreased creep D. Decreased gamma II E. Only A and D F. All of the above A. Large filler particles for increased strength Conventional=Macrofilled Composites that are considered to be conventional have what types of qualities? A. Large filler particles for increased strength B. Small filler particles for increased polishability C. Best type of composite for anterior restorations D. Include nano fill and micro filled particles C. In the middle to occlusal third Where is the contact of posterior teeth located when viewing from the buccal? A. Just buccal to the midline B. Just lingual to the midline C. In the middle to occlusal third D. In the middle to gingival third C. Choose the composite shade, place the rubber dam, place the mylar strip Choose the correct order of steps when placing a class III composite with a rubber dam: A. Place the rubber dam, choose the composite shade, place a mylar strip B. Choose the composite shade, place the mylar strip, place the rubber dam C. Choose the composite shade, place the rubber dam, place the mylar strip D. Place the rubber dam, place a mylar strip, choose the composite shade. A. Before Mylar strips are placed __________ acid etch. A. Before B. After