TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
17 Paralleling Technique
CHAPTER REVIEW ANSWER KEY
Matching
1. h
5. a
Fill in the Blank
9. Image magnification, loss of definition
Multiple Choice
16. a
Rationale: With the use of the paralleling technique, the receptor is placed away from the tooth,
causing image magnification. To compensate for the magnification, the target-receptor distance
Chapter 17: Paralleling Technique 2
TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
Multiple Choice (Continued)
21. c
Rationale: Correct intraoral receptor placement is as follows:
Anterior region (incisors and canines): receptors placed vertically
Posterior region (premolars and molars): receptors placed horizontally.
Essay
Questions 26-33: Because of the nature of these questions, correct answers are subject to the discretion
of individual instructors.