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					                   COURSE SECTION INFORMATION

              FACULTY OF HEALTH, PUBLIC SAFETY,
                   AND COMMUNITY STUDIES

                  RADIOGRAPHY THEORY - DEN4391

              Dental Assisting and Dental Hygiene Programs

Professor’s                                                 Course
               Angela Nuelle                                                   DEN4391
Name:                                                       Number:
                                                            Course
Email:         Angela.Nuelle@algonquincollege.com                              010
                                                            Section:
                                                            Academic
Phone:         613-727-4723 extension 5156                                     2009-2010
                                                            Year:
Office:        J117                                                            Fall
                                                            Term:
Out of Class                                                Academic
             By appointment                                                    01
Assistance:                                                 Level:




Section Specific Learning Resources
       The textbooks for this course are the same as those listed in the approved course
        outline available on Blackboard.
       Other related materials will be provided to the student as required.




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Learning Schedule

WEEK     HOURS                   CONTENT                          RESOURCES
Week 1      2                                               Manual Section I, Lesson 1
                   INTRODUCTION TO COURSE:
                     Course Outline
                      - weekly content / reading / study    * DR = “Dental
                        guide                                  Radiography Principles
                      - course evaluation                      and Techniques” 3rd Ed.
                      - absenteeism / missed tests /           text book.
                        exams

                   HISTORY OF ORAL RADIOLOGY:               DR - Chapter 1
                     Discovery and Evolution of the
                      X-ray
                                                            DR - pp. 9-15
                   RADIATION PHYSICS:
                     Sources of Radiation                  *Have Lessons 1 and 2
                     Atomic Structure                      completed for next week.
                     Ionization
                     Electromagnetic Radiation
                     Properties of X-rays
                                                            Manual – Section I,
Week 2      2      RADIATION PHYSICS (Continued):           Lesson 2
                     The X-ray Machine Components
                      - x-ray tube, tubehead, extension     DR – Ch. 2 pp.16-23
                           arm, & control panel                - Ch. 6 pp. 67-68
                     Production of X-radiation
                      - step-by-step
                      - types of radiation produced
                         (primary, secondary, scatter,
                          leakage, hard & soft)
                     X-ray Interaction/Absorption

                   RADIATION CHARACTERISTICS:
                                                            DR - Chapter 3
                     X-ray Beam Quality
                      - kilovoltage peak (KVP)
                      - image contrast/density & KVP
                      - exposure time & KVP
                     X-ray Beam Quantity
                      - milliamperage (MA)
                      - image density & MA
                      - exposure time & MA
                     X-ray Beam Intensity
                      - KVP, MA, exposure time, distance
                      - inverse square law                  *Have lesson 3 completed
                      - half-value layer                    for next week




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WEEK     HOURS                    CONTENT                          RESOURCES
Week 3      2                                                Manual – Section I,
                   RADIATION BIOLOGY:                        Lesson 3
                     Types of Radiation
                     Radiation Injury                       DR - Chapter 4
                       - theories
                       - sequence
                       - determining factors
                     Radiation Effects
                       - short & long-term
                       - somatic & genetic
                       - effects on cells, tissues, & organs
                     Radiation Measurements
                       - units (traditional & international
                          system)
                       - exposure measurement
                       - dose measurement
                       - dose equivalent measurement
                     Radiation Risks
                       - maximum permissible dose (MPD)
                       - maximum accumulated dose (MAD)
                       - risk vs. benefit of dental
                          radiographs
                                                             *Have lesson 4 completed
                                                             for next week
Week 4      2
                   TEST #1
                   - (10%) of Final Grade
                   - Multiple Choice


                   RADIATION PROTECTION AND                  Manual – Section I,
                   SAFETY:                                   Lesson 4
                     Bill 177, Healing Arts Radiation
                        Protection Act (HARP) & HARP         DR - Chapter 5
                        Approval
                     ALARA Concept
                     Client Protection
                       - guidelines for prescribing
                            radiographs
                       - before, during, & after exposure
                     Operator Protection
                       - guidelines during exposure
                       - personal monitoring devices         *Have lesson 5 completed
                                                             for next week




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WEEK     HOURS                     CONTENT                           RESOURCES
Week 5      2                                                  Manual – Section I,
                   DENTAL RADIOGRAPHIC FILM:                   Lesson 5
                     Types of Dental X-ray Film
                      - intra-oral, extra-oral, duplicating    DR - Chapter 7
                      - film size, speed                          - Ch. 6, pp. 69-71
                     Film Holding Devices
                     Film Composition
                     Latent Image Formation
                     Film Storage & Protection

                    FILM PROCESSING:                           DR – Ch. 9, pp. 101-115
                     Steps
                     Chemical Solutions
                     Automatic vs. Manual Processing          *Have lesson 6 completed
                     Processor & Darkroom Care                for next week
                     Film Processing Errors                   *Bring in a flashlight to
                                                               next week’s class!!

Week 6      2                                                  Manual – Section I,
                   DENTAL RADIOGRAPHIC IMAGE                   Lesson 6
                   CHARACTERISTICS:
                     Image Characteristics                    DR - Chapter 8
                      - density & contrast                        - Ch. 7, pp. 79-82
                      - radiopaque & radiolucent
                     Image Selection/Purpose
                      - bitewing, periapical, occlusal,
                         panoramic, cephalometric


                   IMAGE PROJECTION TECHNIQUE:
                     Projection Geometry
                      - sharpness, penumbra,
                          magnification, distortion
                      - principles of accurate image
                          projection
                      - left/right, up/down,
                          horizontal/vertical, mesial/distal
                          angulation
                     Intra-Oral Projection Techniques         See Ch. 17-19 & 21 for
                      - paralleling                            pictures of various
                      - bisecting angle                        projections
                      - occlusal
                      - bitewing
                                                               *Have lesson 7 completed
                                                               for next week




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WEEK     HOURS                    CONTENT                             RESOURCES
Week 7      2                                                  Manual – Section I,
                   NORMAL RADIOGRAPHIC ANATOMY:                Lesson 7
                     General Anatomical Terms
                     Anatomical Landmarks                     DR - Chapter 26
                      - bony landmarks maxilla
                      - bony landmarks mandible

                     Tooth Anatomy & Surrounding
                       Structures
                      - enamel, dentin, pulp,
                          dentinoenamel junction, alveolar
                          bone, alveolar crest, lamina dura,
                          periodontal ligament space, root
                          shape, crown shape

                   FILM MOUNTING & VIEWING:
                     Types of Mounts                          DR - Chapter 27
                     Theory of the Mounting Dot
                     Mounting Steps
                     Labelling the mount

                   PREPARTION FOR RADIOGRAPHY
                   LAB I:                                      *Have lesson 8 completed
                     Schedule, Supplies, & Protocol           for next week
                                                               *Practise mounting exercises
                                                               available in the Learning
                                                               Resource Center
Week 8      2      MID-TERM TEST
                   - 30% of Final Grade
                   - Multiple Choice

                   CRITERIA FOR DIAGNOSTIC                     Manual – Section I,
                   ACCEPTABILITY:                              Lesson 8
                     Bitewings
                     Periapicals                              Manual – Section II
                     Occlusals                                *Bring manual to class
                                                               DR – Ch. 17-19 & 21 as
                   FILM ERRORS:                                references – specific details
                     Exposure Errors                          to be discussed in class
                     Technique Errors
                     Processing Errors                        DR – Ch. 9, pp. 116-123

Week 9      2                                                  Manual – Section II
                   EVALUATING RADIOGRAPHS:                     *Bring manual to class
                     Adult & Pedodontic Bitewings,
                      Periapicals & Occlusals
                     Critiquing Exercises
                                                               DR – Practice exercises on
                   FILM MOUNTING REVIEW:                       text CD
                   Practice Exercises




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WEEK     HOURS                    CONTENT                             RESOURCES
 Week       2
  10               EXTRA-ORAL RADIOGRAPHY:                      DR - Chapter 22, 23
                     Panoramic                                 DR - Chapter 28
                      - equipment                               Specific details to be
                      - basic concept & procedure               discussed in class for these
                      - common errors                           chapters
                      - advantages & disadvantages
                      - equipment
                      - basic concept & uses
                     Other Extra-oral Projections
                      - Lateral Jaw
                      - Cephalometric
                      - Temporomandibular Joint
                      - Cone-Beam Technology

                   DIGITAL RADIOGRAPHY:
                                                                DR - Chapter 24
                     Concepts and Equipment
                     Exposure Process
                     Advantages/Disadvantages


 Week       2
  11               INTRODUCTION TO RADIOGRAPHIC                 DR – Ch. 29-34
                   INTERPRETATION:                              Specific details to be
                     Guidelines & Terminology                  discussed in class for these
                     Identification of restorations, dental    chapters
                       materials and foreign objects
                     Interpretation of caries, periodontal
                       disease, trauma, pulpal and periapical
                       lesions
                     Localization Technique


 Week       2
  12               MOUNTING TEST:
                   - 20% of final grade


                   RADIOGRAPHY OF CLIENTS WITH                  DR - Chapter 25
                   SPECIAL NEEDS:
                     Principals of Client Management
                     Clients with Disabilities
                     Pediatric, Endodontic, & Edentulous
                      Clients




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WEEK      HOURS                     CONTENT                              RESOURCES
 Week         2
  13                 LEGAL REQUIREMENTS IN                         DR - Chapter 14
                     RADIOGRAPHY:
                       Documentation
                       Storage and Retention
                       Duplicate Radiographs

                     QUALITY ASSURANCE IN THE DENTAL               DR - Chapter 10
                     OFFICE:
                       Quality Control Tests
                       Administration Procedures
                       Operator Competence

                     INFECTION CONTROL:                            DR - Chapter 15
                       Infection Control Procedures Before,
                         During & After Exposure

 Week         2      CLIENT COMMUNICATION EXERCISES                DR – Ch. 12 & 13
  14
                     CONTENT REVIEW
 Week         2
  15                 FINAL EXAM
                     - 40% of Final Grade
                     - Multiple Choice




Evaluation Table

 EVALUATION TYPE                       DESCRIPTION                   WEIGHT      DUE DATE
Test #1                  - Covers content of weeks 1 through 3
                         - All multiple choice                         10%      Week 4

Mid-term Test            - Covers content of weeks 1 through 7
                         - All multiple choice                         30%      Week 8

Mounting Test           - Modified full mouth series of
                          radiographs to be mounted in class           20%      Week 12
                        - Timed test (20 minutes)
Final Exam              - Comprehensive
                        - All multiple choice                          40%      Week 15
                        - More details will be provided in class



Other Important Information

         Attendance and study guide activities are critical to your success in this course
         Please contact me promptly if you are experiencing difficulties in this course
         Peer tutoring may be available, and is highly recommended if you are experiencing
          difficulties in this course



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