Dentistry Chapter 21 Used when large areas of the maxilla or mandible

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 1

Occlusal and Localization

Techniques

Chapter 21

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Slide 2

Learning Objectives

Lesson 21.1: Occlusal

and Localization Techniques

1. Define the key terms associated with occlusal

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Slide 3

Learning Objectives

Lesson 21.1: Occlusal

and Localization Techniques (Cont.)

6. State the recommended vertical angulations

for the following mandibular occlusal

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 4

Learning Objectives

Lesson 21.1: Occlusal

and Localization Techniques (Cont.)

11. Describe receptor placements for the buccal

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Slide 5

Introduction

Purpose

To present basic concepts

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Slide 6

Occlusal Technique

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 7

Terminology

Occlusal surfaces

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Slide 8

Purpose and Use

A supplementary imaging technique used in

conjunction with periapical or bite-wing

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Slide 9

Principles

The receptor is placed with the tube side

facing the arch that is being exposed.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 10

Step-by-Step Procedures

Patient preparation

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Slide 11

Patient Preparation

Explain the imaging procedure to the patient.

Adjust the chair so that the patient is

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Slide 12

Equipment Preparation

Set the exposure control factors on the x-ray

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 13

Maxillary Occlusal Projections

Topographic projection

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Slide 14

Mandibular Occlusal Projections

Topographic projection

Used to examine the anterior teeth of the

mandible

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Slide 15

Vertical Angulations

Occlusal projection Vertical angulation

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 16

Localization Techniques

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Slide 17

Purpose and Use

The dental image is a two-dimensional

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Slide 18

Purpose and Use (Cont.)

Localization techniques may be used to

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 19

Buccal Object Rule

Governs the orientation of structures

portrayed in two images exposed at different

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Slide 20

Buccal Object Rule (Cont.)

When the dental structure or object seen in

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Slide 21

Buccal Object Rule (Cont.)

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 22

Right-Angle Technique

Another rule for the orientation of structures

seen on images

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Slide 23

Step-by-Step Procedures

Patient and equipment preparations

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Slide 24

Patient and Equipment Preparations

Refer to earlier in the chapter for patient and

equipment preparations.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 25

Receptor Placements

and Image Comparisons

Buccal object rule

Can be used to determine the position of a tooth

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Slide 26

Receptor Placements

and Image Comparisons (Cont.)

Buccal object rule

Can be used to determine the location of an

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Slide 27

Receptor Placements

and Image Comparisons (Cont.)

Right-angle technique

Can be used to determine the position of a

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 21 Student Handout

Slide 28

Receptor Placements

and Image Comparisons (Cont.)

Buccal object rule and right-angle technique

Can be used to localize orthodontic wire and

confirm the location

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Slide 29

Questions?

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