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Essentials of Dental Radiography for Dental Assistants and Hygienists

Essentials of Dental Radiography for Dental Assistants and Hygienists

Essentials of Dental Radiography for Dental Assistants and Hygienists, 8/e

Orlen N. Johnson, BS, DDS, MS
Evelyn M. Thomson, BSDH, MS

Companion Website Author:
Mindy C. Adshead, RDH, AAS, BHS, MEd
Professor, Dental Hygiene
Pensacola Junior College

Welcome to the online study guide designed to accompany Essentials of Dental Radiography, 8/e by Orlen N. Johnson and Evelyn M. Thomson. This provides students and instructors with an interactive teaching and learning tool to help you succeed. Here you will find:

  • Mounting Challenge exercises that will quiz your ability to assemble a full mouth series for 20 different patients.
  • Anatomy Identification exercises that will challenge you to correctly label the structures introduced in Chapter 19 of the text.
  • Positioning exercises that simulate the experience of adjusting the PIDs to take radiographs.
  • A video on digital radiography that provides an overview of this emerging technology as discussed in Chapter 26.
  • Bonus chapter-review exercises in multiple choice, true or false, fill-in-the-blank, and short answer formats. At the completion of each exercise you may submit your answers to receive instant feedback.
  • A glossary of all the terms discussed in the text.
  • A link to our Dentistry news feed feature, updated regularly by the New York Times.

To get started, simply select a chapter from the menu bar on the top left of the page, or click on one of the chapter titles below. Good Luck!




Chapter 1: History of Dental Radiology

Chapter 2: Characteristics and Measurement of Radiation

Chapter 3: The Dental X-ray Machine: Components and Functions

Chapter 4: Producing Quality Radiographs

Chapter 5: Effects of Radiation Exposure

Chapter 6: Radiation Protection

Chapter 7: Dental X-ray Film

Chapter 8: Dental X-ray Film Processing

Chapter 9: Infection Control

Chapter 10: Legal and Ethical Responsibilities

Chapter 11: Patient Relations and Education

Chapter 12: Intraoral Radiographic Procedures

Chapter 13: The Periapical Examination

Chapter 14: The Bitewing Examination

Chapter 15: The Occlusal Examination

Chapter 16: Identifying and Correcting Undiagnostic Radiographs

Chapter 17: Quality Assurance in Dental Radiography

Chapter 18: Mounting and Introduction to Interpretation

Chapter 19: Recognizing Normal Radiographic Anatomy

Chapter 20: Recognizing Deviations from Normal Radiographic Anatomy

Chapter 21: The Use of Radiographs in the Detection of Dental Caries

Chapter 22: The Use of Radiographs in the Evaluation of Periodontal Diseases

Chapter 23: Radiographic Techniques for Children

Chapter 24: Managing Patients with Special Needs

Chapter 25: Supplemental Radiographic Techniques

Chapter 26: Digital Radiography

Chapter 27: Extraoral Radiography

Chapter 28: Panoramic Radiography

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