EFDA Board QUESTIONS AND ANSWERS

C. Enamel - Answer- Which of the following is the hardest tissue in the body? A. Bone B. Cementum C. Enamel D. Dentin B. Inorganic - Answer- Enamel is 95-96% A. Organic B. Inorganic C. Perform a therapeutic intraoral adjustment of a fixed bridge - Answer- 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 - Answer- 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 - Answer- 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 - Answer- 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 - Answer- High copper amalgam content results in: A. Increased strength B. Decreased corrosion C. D