Interpretation Basics of Cone Beam Computed Tomography (eBook)

Shawneen M. Gonzalez, D.D.S., M.S., is Assistant Professor and Director of the Oral and Maxillofacial Radiology Clinic in the College of Dentistry at the University of Nebraska Medical Center, Lincoln, Nebraska. She teaches multiple clinical and didactic oral radiology courses at UNMC, and her research focuses on CBCT uses and education methods of oral and maxillofacial radiology.

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

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