Interpretation basics of cone beam computed tomography

226 Pages·2014·36.917 MB·English

by  Gonzalez, Shawneen

INTERPRETATION BASICS
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OF CONE BEAM T
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COMPUTED TOMOGRAPHY P
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I INTERPRETATION BASICS
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I nterpretation Basics of Cone Beam Computed Tomography is an easy-to-use guide to cone beam S
CT technology for general dental practitioners and dental students. It covers normal anatomy, O
common anatomical variants, and incidental findings that practitioners must be familiar with when F OF CONE BEAM
interpreting CBCT scans. In addition to functioning as an identification guide, the book presents and C
discusses sample reports illustrating how to use this information in day-to-day clinical practice. O
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COMPUTED TOMOGRAPHY
Organized by anatomical regions, the book is easy to navigate and features multiple images of E

examples discussed. A valuable section on legal issues surrounding this new technology provides B
guidance essential for informed and appropriate use. E
A

M Edited by
• Thorough coverage of the basics of CBCT imaging for dental applications

• Ideal for general practitioners and dental students C Shawneen M. Gonzalez
• N umerous normal anatomical figures with images of incidental findings to sharpen O
identification skills M
• Organized anatomically for quick reference P
U
• Includes access to a companion website hosting additional photos and case examples
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THE EDITOR D
Shawneen M. Gonzalez, D.D.S., M.S., is Assistant Professor and Director of the Oral and T
Maxillofacial Radiology Clinic in the College of Dentistry at the University of Nebraska Medical O
Center, Lincoln, Nebraska. She teaches multiple clinical and didactic oral radiology courses at UNMC. M
Her research focuses on CBCT uses and education methods of oral and maxillofacial radiology. O
G
RELATED TITLES R
A
Cone Beam Computed Tomography Oral and Maxillofacial Radiology: A Diagnostic Approach
P
Edited by David Sarment Edited by David McDonald
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ISBN: 9780470961407 ISBN: 9780813814148
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A companion website with additional resources is available o
at www.wiley.com/go/gonzalez/cbct n
ISBN: 978-1-1183-8106-9 z
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www.wiley.com/wiley-blackwell

Interpretation Basics of Cone
Beam Computed Tomography

Interpretation Basics of Cone
Beam Computed Tomography
Edited by
Shawneen M. Gonzalez
This edition first published 2014 © 2014 by John Wiley & Sons, Inc
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Library of Congress Cataloging-in-Publication Data
Gonzalez, Shawneen, author.
Interpretation basics of cone beam computed tomography / Shawneen Gonzalez.
p. ; cm.
Includes bibliographical references and index.
ISBN 978-1-118-38106-9 (paper : alk. paper) – ISBN 978-1-118-76222-6 (ePub) –
ISBN 978-1-118-76224-0 (ePDF) – ISBN 978-1-118-38106-9
I. Title.
[DNLM: 1. Cone-Beam Computed Tomography. 2. Radiography, Dental–methods.
3. Craniofacial Abnormalities–diagnosis. 4. Skull–radiography. WN 230]
RK309
617.6′07572–dc23
2013024994
A catalogue record for this book is available from the British Library.
Wiley also publishes its books in a variety of electronic formats. Some content that appears in printmay
not be available in electronic books.
Cover design by Nicole Teut
Set in 10/12pt Sabon by SPi Publisher Services, Pondicherry, India
1 2014
For Tyson, Max, and Rugan

Contents
Preface ix
Acknowledgments xi
About the Companion Website xiii
1. Introduction to Cone Beam Computed Tomography 3
Shawneen M. Gonzalez
Introduction 3
Conventional Computed Tomography (CT) 3
Cone Beam Computed Tomography (CBCT) 4
Conventional CT Versus Cone Beam CT 4
Viewing CBCT Data 6
Artifacts 9
Common Uses 12
2. Legal Issues Concerning Cone Beam Computed Tomography 25
Shawneen M. Gonzalez
Introduction 25
Standard of Care 25
Recommendations 26
Summary 29
3. Paranasal Sinuses and Mastoid Air Cells 31
Gayle Reardon
Introduction 31
Anatomy 31
Inflammatory Disease of the Paranasal Sinuses 45
Intrinsic Diseases of the Paranasal Sinuses 49
Postsurgical Changes of Paranasal Sinuses 56
4. The Sinonasal Cavity and Airway 59
Gayle Reardon
Introduction 59
Anatomy 59
Surgical Variations 75
Inflammatory Diseases 77
The Pharynx 80
The Nasopharynx 80
vii
viii Contents
The Oropharynx 82
The Hypopharynx (Also Called Laryngopharynx) 83
The Parapharyngeal Space 83
5. Cranial Skull Base 85
Shawneen M. Gonzalez
Introduction 85
Anatomy 85
Incidental Findings 93
6. Soft Tissue of the Brain and Orbits 103
Shawneen M. Gonzalez
Introduction 103
Anatomy—Soft Tissue of the Brain and Orbits 103
Incidental Findings—Soft Tissue of the Brain 108
Incidental Findings—Orbits 118
7. Cervical Spine and Soft Tissues of the Neck 123
Shawneen M. Gonzalez
Introduction 123
Anatomy—Cervical Spine and Soft Tissues of the Neck 123
Incidental Findings 129
8. Temporomandibular Joints 143
Gayle Reardon
The Temporomandibular Joints 143
Normal Anatomy and Function 143
Developmental Abnormalities 147
Soft Tissue Abnormalities 152
Remodeling and Arthritis 153
Trauma 163
Tumors 165
9. Implants 167
Shawneen M. Gonzalez
Introduction 167
Imaging for Implant Purposes 167
Linear Measurement Accuracy 169
Grey Values and Hounsfield Units 170
Mandibular Canal 171
Virtual Implant Placement Software 172
Appendix 1: Sample Reports 177
Shawneen M. Gonzalez
Appendix 2: Resources 189
Index 191