Dentistry Chapter 10 A light source used to view dental radiographs

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 1

Quality Assurance

in the Dental Office

Chapter 10

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Slide 2

Learning Objectives

Lesson 10.1: Quality Assurance

in the Dental Office

1. Define the key terms associated with quality

assurance in the dental office.

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Slide 3

Learning Objectives

Lesson 10.1: Quality Assurance

in the Dental Office (Cont.)

5. Describe the test used to check for darkroom

light leaks and proper safelighting; discuss

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 4

Learning Objectives

Lesson 10.1: Quality Assurance

in the Dental Office (Cont.)

8. Describe the preparation of the reference

radiograph and the standard stepwedge

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Slide 5

Learning Objectives

Lesson 10.1: Quality Assurance

in the Dental Office (Cont.)

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Slide 6

Introduction

Quality assurance refers to special

procedures that are used to ensure the

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 7

Quality Control Tests

Specific tests used to maintain and monitor

Dental x-ray equipment

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Slide 8

Equipment and Supplies

Dental x-ray machines

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Slide 9

Dental X-Ray Machines

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 10

Dental X-Ray Film

Fresh film test

Prepare film.

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Slide 11

Screens and Cassettes

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Slide 12

Screens and Cassettes (Cont.)

Film-screen contact test

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 13

Viewing Equipment

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Slide 14

Film Processing

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Slide 15

Darkroom Lighting

Darkroom must be checked for light-tightness

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 16

Darkroom Lighting (Cont.)

No light leaks

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Slide 17

Safelighting

Coin test

Prepare darkroom.

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Slide 18

Safelighting (Cont.)

Proper safelighting

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 19

Processing Equipment

Automatic processor test films

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Slide 20

Processing Equipment (Cont.)

Functioning processor

The unexposed film appears clear and dry and the

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Slide 21

Processing Solutions

Developer strength

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 22

Reference Radiograph

Processed under ideal conditions

Used to compare the film densities of radiographs

that are processed daily

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Slide 23

Reference Radiograph (Cont.)

Matched densities

If densities seen on reference radiograph match

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Slide 24

Stepwedge Radiographs

A device of layered aluminum steps

Prepare film.

•Use 20 films to create a supply for daily testing.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 25

Stepwedge Radiographs (Cont.)

Matched densities

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Slide 26

Normalizing Device

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Slide 27

Clearing Test

Prepare film.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 28

Clearing Test (Cont.)

Fast clearing

Film clears in 2 minutes; fixer is of adequate

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Slide 29

Digital Imaging

Quality assurance protocols for offices that

use digital imaging are also required.

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Slide 30

Quality Administration Procedures

Management of the quality assurance plan

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 10 Student Handout

Slide 31

Operator Competence

The dentist is ultimately responsible for all

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Slide 32

Questions?

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