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