TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
32 Identification of Restorations, Dental
Materials, and Foreign Objects
CHAPTER REVIEW ANSWER KEY
Identification
1. gutta percha
Multiple Choice
9. a. 3
b. 4
c. 1
d. 2
Rationale: Of the choices listed, the most radiopaque restorative material is amalgam, followed by
stainless steel crown and gutta percha. Acrylic restorations are the most radiolucent of the choices
Short Answer
Questions 14-16: Because of the nature of these questions, correct answers are subject to the discretion
of individual instructors.