TEACH Lesson Plan
IANNUCCI AND HOWERTON: Dental Radiography: Principles and Techniques, 5th Edition
20 Exposure and Technique Errors
CHAPTER REVIEW ANSWER KEY
Identification
1. underexposed film
6. overlapped contacts
Matching
Multiple Choice
16. b
Rationales:
a. Elongated images are caused by too little vertical angulation.
c. Overlapped images are caused by incorrect horizontal angulation.
17. e
Rationales:
b. Foreshortened images are caused by too much vertical angulation.