Slide 1
Three-Dimensional Digital Imaging
Chapter 26
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Slide 2
Learning Objectives
Lesson 26.1: Three-Dimensional
Digital Imaging
1. Define the key terms associated with three-
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Slide 3
Learning Objectives
Lesson 26.1: Three-Dimensional
Digital Imaging (Cont.)
5. Detail the equipment and patient preparation
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Slide 4
Introduction
Purpose
To present the basic concepts of three–
dimensional digital imaging
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Slide 5
Terminology
Cone-beam computed tomography (CBCT)
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Slide 6
Terminology (Cont.)
Plane, coronal
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Slide 7
Fundamentals
Three-dimensional digital imaging
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Slide 8
Fundamentals (Cont.)
DICOM images
These allow practitioner to see field of view in
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Slide 9
Three Planes
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Slide 10
Training
American Academy of Oral and Maxillofacial
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Slide 11
Equipment
Specialized equipment
CBCT machine
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Slide 12
Equipment (Cont.)
Computer
Accepts raw data and converts them into stack of
axial images.
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Slide 13
Common Uses
Greatly improve interpretation, diagnosis, and
treatment planning of dental care
Implant placement
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Slide 14
Step-by-Step Procedures
It is critical to refer to the manufacturer–
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Slide 15
Patient Preparation
Patients may be asked to sit or stand or be
placed in the supine position during radiation
exposure.
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Slide 16
Patient Positioning
Patient is instructed to remain still.
Scan times vary from 7 to 30 seconds.
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Slide 17
Advantages of Three-
Dimensional Digital Imaging
Lower radiation dose
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Slide 18
Disadvantages of Three-
Dimensional Digital Imaging
Patient movement and artifacts
Size of the field of view
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Slide 19
Questions?
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