Dentistry Chapter 17 Devices And Receptor Holding Devices Continue

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 1

Paralleling Technique

Chapter 17

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Slide 2

Learning Objectives

Lesson 17.1: Paralleling Technique

1. Define the key terms associated with the

paralleling technique.

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Slide 3

Learning Objectives

Lesson 17.1: Paralleling Technique (Cont.)

4. Describe why a beam alignment device is

necessary with the paralleling technique.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 4

Learning Objectives

Lesson 17.1: Paralleling Technique (Cont.)

8. State the five basic rules of the paralleling

technique.

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Slide 5

Learning Objectives

Lesson 17.1: Paralleling Technique (Cont.)

11. Summarize the guidelines for periapical

receptor positioning.

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Slide 6

Introduction

Purpose

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 7

Basic Concepts

Paralleling technique is also known as:

Extension cone paralleling technique

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Slide 8

Terminology

Parallel

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Slide 9

Principles of Paralleling

Technique

The receptor is placed in the mouth parallel to

the long axis of the tooth being radiographed.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 10

Principles of Paralleling

Technique (Cont.)

Object-receptor distance

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Slide 11

Beam Alignment Devices

and Receptor Holding Devices

A device used to position the receptor in the

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Slide 12

Beam Alignment Devices

and Receptor Holding Devices (Cont.)

Examples of commercially available intraoral

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 13

Rinn XCP Extension Cone Paralleling System

Beam Alignment Devices

and Receptor Holding Devices (Cont.)

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Slide 14

Rinn XCP-DS FIT Universal Sensor Holder

Beam Alignment Devices

and Receptor Holding Devices (Cont.)

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Slide 15

Receptors Used

for Paralleling Technique

Size 1 receptor

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 16

Rules for Paralleling Technique

Receptor placement

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Slide 17

Step-by-Step Procedures

Patient preparation

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Slide 18

Patient Preparation

Procedure

Explain the procedures.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 19

Equipment Preparation

Set the exposure control factors.

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Slide 20

Exposure Sequence

for Receptor Placements

Anterior exposure sequence

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Slide 21

Receptor Placement

for Paralleling Technique

The specific area where the receptor must be

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 22

Modifications in Paralleling Technique

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Slide 23

Shallow Palate

Cotton rolls

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Slide 24

Bony Growths

Maxillary torus

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 25

Mandibular Premolar Region

Receptor placement

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Slide 26

Advantages

of Paralleling Technique

Accuracy

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Slide 27

Disadvantages

of Paralleling Technique

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 17 Student Handout

Slide 28

Questions?

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