Dentistry Chapter 1 Illustrate Changes Secondary Caries Periodontal Disease Trauma

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 1

Radiation History

Chapter 1

1

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Slide 2

Learning Objectives

Lesson 1.1: Radiation History

1. Define the key terms associated with dental

radiation.

2. Summarize the importance of dental images.

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Slide 3

Learning Objectives

Lesson 1.1: Radiation History (Cont.)

6. List the highlights in the history of x-ray

equipment and film.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 4

Introduction

Purpose

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Slide 5

Dentistry and X-Radiation:

Basic Terminology

Radiation

Energy carried by waves or streams of particles

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Slide 6

Dentistry and X-Radiation:

Basic Terminology (Cont.)

Radiology

Radiology is the science or study of radiation as

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 7

Dentistry and X-Radiation:

Basic Terminology (Cont.)

Radiograph

This is a picture (visible photographic record) on

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Slide 8

Dentistry and X-Radiation:

Basic Terminology (Cont.)

Radiography

The art and science of making radiographs by the

exposure of film to x-rays

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Slide 9

Dentistry and X-Radiation:

Basic Terminology (Cont.)

Image

A picture or likeness of an object

Image receptor

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 10

Importance of Dental Images

In dentistry, dental images enable the dental

professional to identify many conditions that

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Slide 11

Uses of Dental Images

Detect lesions

Confirm or classify suspected disease

Localize lesions or foreign objects

Provide information during dental procedures

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Slide 12

Roentgen and the Discovery of X-Rays

Wilhelm Conrad Roentgen –1895

Roentgen was experimenting with vacuum tubes

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 13

Earlier Experimentation

Heinrich Geissler –1838

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Slide 14

Earlier Experimentation (Cont.)

William Crookes –Late 1870s

Discovered that cathode rays were streams of

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Slide 15

Pioneers in Dental X-Radiation

Otto Walkhoff –1895

Made the first dental radiograph

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 16

William H. Rollins

Developed the first dental x-ray unit

Pioneers in Dental X-Radiation (Cont.)

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Slide 17

History of Dental X-Ray Equipment

William Coolidge –1913

Developed the first hot-cathode x-ray tube

Victor X-Ray Corporation –1923

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Slide 18

History of Dental X-Ray Film

1896 to 1913

Hand-wrapped glass photographic plates or film

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 19

History of Dental

Radiographic Techniques

C. Edmund Kells –1896

Introduced paralleling technique

Weston Price –1904

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Slide 20

History of Dental

Radiographic Techniques (Cont.)

F. Gordon Fitzgerald –1947

Introduction of the long-cone paralleling technique

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Slide 21

History of Dental

Digital Imaging

Radiographs have been produced using

radiographic film for well over a century.

Traditional radiography is being replaced by

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 1 Student Handout

Slide 22

Questions?

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