Dentistry Chapter 5 Apron Placed Over The Patients Chest

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 1

Radiation Protection

Chapter 5

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Slide 2

Learning Objectives

Lesson 5.1: Radiation Protection

1. Define the key terms associated with radiation

protection.

2. Describe in detail the basics of patient

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Slide 3

Learning Objectives

Lesson 5.1: Radiation Protection (Cont.)

5. List six ways to protect the patient from

excessive radiation during x-ray exposure.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 4

Learning Objectives

Lesson 5.1: Radiation Protection (Cont.)

9. Discuss radiation exposure guidelines, including

radiation safety legislation, maximum

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Slide 5

Introduction

Purpose

To discuss patient protection before, during, and

after exposure to x-rays

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Slide 6

Patient Protection

X-radiation causes biologic changes in living

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 7

Before Exposure

Prescribing dental radiographs

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Slide 8

Prescribing Dental Images

Professional judgment is used to determine

the number, type, and frequency of dental

radiographs.

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Slide 9

Proper Equipment

Use of equipment that complies with state

and federal radiation guidelines will minimize

the radiation a patient receives.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 10

Inherent Filtration

Inherent filtration takes place when the

primary beam passes through the glass

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Slide 11

Added Filtration

An aluminum disk is placed between the

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Slide 12

Total Filtration

The sum of inherent and added filtration

Regulated by state and federal laws

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 13

Collimation

Collimation restricts the size and shape of the

x-ray beam.

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Slide 14

Position-Indicating Device

An extension of the x-ray tubehead used to

direct the x-ray beam

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Slide 15

During Exposure

Thyroid collar

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 16

Thyroid Collar

This is a flexible lead shield placed around

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Slide 17

Lead Apron

Placed over the patient’s chest and lap to

protect the reproductive organs and blood-

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Slide 18

Image Receptors

Digital image receptors require less radiation

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 19

Beam Alignment Device

Stabilizes the receptor in the mouth and

reduces the chance for movement

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Slide 20

Exposure Factor Selection

Adjustment of kVp, milliamperage, and time

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Slide 21

Proper Technique

Nondiagnostic images must be retaken,

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 22

After Exposure

Proper receptor handling

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Slide 23

Operator Protection

Protection guidelines

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Slide 24

Protection Guidelines

The dental radiographer must avoid the

primary beam.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 25

Distance and Position

Recommendations

Maintain an adequate distance during

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Slide 26

Distance and Position

Recommendations (Cont.)

Avoid the primary beam by standing either

perpendicular or at a 90- to 135-degree angle

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Slide 27

Shielding Recommendations

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 28

Radiation Monitoring

Equipment monitoring

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Slide 29

Radiation Exposure Guidelines

Radiation safety legislation

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Slide 30

Radiation Safety Legislation

Radiation Control for Health and Safety

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 31

Maximum Permissible Dose (MPD)

MPD is the maximum dose equivalent that a

body is permitted to receive in a specific

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Slide 32

Cumulative Occupational Dose

Cumulative occupational dose is the dose

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Slide 33

ALARA Concept

ALARA concept means “as low as reasonably

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 5 Student Handout

Slide 34

Radiation Protection

and Patient Education

What you say to the patient before, during

and after the procedure

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Slide 35

Questions?

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