FOR DENTAL RADIOGRAPHY PRINCIPLES AND
TECHNIQUES 6TH EDITION BY JOEN IANNUCCI AND
LAURA JANSEN HOWERTON CHAPTER 1-35 LATEST
EDITION 2026
,TABLE OF CONTENTS
Part i: radiation basics and dental image characteristics
1. Radiation history
2. Radiation physics
3. Radiation biology
4. Radiation protection
5. Radiation characteristics
6. Dental x-ray image characteristics
part ii: equipment and digital imaging basics
7. Dental x-ray equipment
8. Digital imaging
part iii: film imaging basics
9. Dental x-ray film
10. Film processing
11. Film mounting and viewing
part iv: dental radiographer basics
12. Dental images and the dental radiographer
13. Patient relations and the dental radiographer
14. Patient education and the dental radiographer
15. Legal issues and the dental radiographer
16. Infection control and the dental radiographer
17. Quality assurance in the dental office
part v: intraoral technique basics
18. Introduction to dental imaging examinations
19. Paralleling technique
20. Bisecting technique
21. Bite-wing technique
22. Exposure and technique errors
23. Occlusal and localization techniques
24. Imaging of patients with special needs
part vi: extraoral imaging basics
25. Panoramic imaging
26. Extraoral imaging
27. Three-dimensional digital imaging
part vii: normal anatomy basics
28. Normal anatomy: intraoral images
29. Normal anatomy: panoramic images
part viii: image interpretation basics
30. Introduction to image interpretation
31. Descriptive terminology
32. Identification of restorations, dental materials, and foreign objects
33. Interpretation of dental caries
34. Interpretation of periodontal disease
35. Interpretation of trauma, pulpal lesions, and periapical lesions
,Chapter 01: radiation history
Iannucci: dental radiography, 6th edition
Multiple choice
1. Radiation is defined as
a. A form of energy carried by waves or streams of particles.
b. A beam of energy that has the power to penetrate substances and
record im ageshadows on a receptor.
c. A high-
Energy radiation produced by the collision of a beam of electrons with
amet al target in an x-ray tube.
d. A branch of medicine that deals with the use of x-rays.
Ans:c a
Radiation is a form of energy carried by waves or streams of particles. An x-
Ray is a beam ofenergy that has the power to penetrate substances and record
image shad ows on a receptor.
X-radiation is a high-
Energy radiation produced by the collision of a beam of electrons with ametal
target in an x-ray tube. Radiology is a branch of medicine that deals with the use
of
X-rays.
Dif: recall ref: page 2 obj: 1
Top: cda, rhs, iii.b.2. Describe the characteristics of x-radiation
Msc: nbdhe, 2.0 obtaining and interpreting radiographs | nbdhe, 2.1 principles of radiophysic
sand radiobiology
2. A radiograph is defined as
a. A beam of energy that has the power to penetrate substances and
record im ageshadows on a receptor.
b. A picture on film produced by the passage of x-rays through an object or body.
c. The art and science of making radiographs by the exposure of an image
recepto r tox-rays.
d. A form of energy carried by waves or a stream of particles.
Ans:c b
An x-
Ray is a beam of energy that has the power to penetrate substances and record
image shad ows on a receptor. A radiograph is a picture on film produced by the
passage of x-
Rays through an object or body. Radiography is the art and science of making
dental imag es by theexposure of a receptor to x-
Rays. Radiation is a form of energy carried by waves or streams of particles.
Dif: comprehension ref: page 2
Obj: 1 top: cda, rhs, iii.b.2. Describe the characteristics of x-
radiation
Msc: nbdhe, 2.0 obtaining and interpreting radiographs | nbdhe, 2.1 principles of radiophysic
sand radiobiology
, 3. Yourc patient asked you why dental images are important. Which of the
following is thecorrect response?
a. An oral examination with dental images limits the practitioner to what
is se en clinically.
b. All dental diseases and conditions produce clinical signs and symptoms.
c. Dental images are not a necessary component of comprehensive patient care.
d. Many dental diseases are typically discovered only through the use of
den talimages.
Ans:c d
An oral examination without dental images limits the practitioner to what is seen
clinically. Many dental diseases and conditions produce no clinical signs and symptoms.
Dental images are a necessary component of comprehensive patient care. Many
dental diseases are typicall y discovered only through the use of dental images.
Dif: application ref: page 2 obj: 2
Top: cda, rhs, iii.b.2. Describe the characteristics of x-radiation
Msc: nbdhe, 2.0 obtaining and interpreting radiographs | nbdhe, 2.5 general
4. The x-ray was discovered by
a. Heinrich geissler
b. Wilhelm roentgen
c. Johann hittorf
d. William crookes
Ans:c b
Heinrich geissler built the first vacuum tube in 1838. Wilhelm roentgen discovered
the x-
Ray on november 8, 1895. Johann hittorf observed in 1870 that discharges emitted
from t he negative electrode of a vacuum tube traveled in straight lines, produced
heat, and result ed in a greenish fluorescence. William crookes discovered in the late
1870s that cathode r ays were streams of charged particles.
Dif: recall ref: page 2 obj: 4
Top: cda, rhs, iii.b.2. Describe the characteristics of x-radiation
Msc: nbdhe, 2.0 obtaining and interpreting radiographs | nbdhe, 2.5 general
5. Who exposed the first dental radiograph in the united states using a live person?
a. Otto walkoff
b. Wilhelm roentgen
c. Edmund kells
d. Weston price
Ans:c c
Otto walkoff was a german dentist who made the first dental radiograph. Wilhelm
roentg en was a bavarian physicist who discovered the x-
Ray. Edmund kells exposed the first dental radiograph in the united states using a
live pers on. Price introduced the bisecting technique in 1904.
Dif: recall ref: page 4 obj: 5
Top: cda, rhs, iii.b.2. Describe the characteristics of x-radiation
Msc: nbdhe, 2.0 obtaining and interpreting radiographs | nbdhe, 2.5 general