Maricopa Community Colleges  DHE118   19936-20006 
Official Course Description: MCCCD Approval: 12/14/99
DHE118 19936-20006 LAB 1 Credit(s) 3 Period(s)
Oral Radiography Laboratory
Film placement, exposure, development, mounting and evaluation of dental radiographs. Operation and maintenance of X-ray and processing equipment. Interpretation of radiographic findings. Prerequisites or Corequisites: DAE/DHE117, or admission to the Dental Hygiene Program, or permission of instructor.
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MCCCD Official Course Competencies:
 
DHE118   19936-20006 Oral Radiography Laboratory
1. Operate, maintain, and sterilize all X-ray equipment used to expose radiographs. (I)
2. Follow radiographic infection control procedures while exposing and developing radiographs. (I)
3. Utilize radiation protection measures for the patient and operator. (I)
4. Identify the various types, sizes, and uses of dental X-ray film and film holders. (II) (III)
5. Expose intraoral radiographs using the bisection, paralleling, and mixed techniques on child and adult dentulous and edentulous practice mannequins. (V)
6. Expose intraoral radiographs using the bisection, paralleling, and mixed techniques on child and adult patients. (V)
7. Expose accessory radiographs, including such films as topographical, cross-sectional (pedodontic and adult), distal/oblique,and duplicating. (X)
8. Expose a panoramic radiograph on an adult or child patient. (VI)(X)
9. Process exposed radiographs. (VII)
10. Identify and mount full-mouth series, horizontal and vertical interproximal radiographs, and accessory films. (IV)(VI)(VIII)
11. Grade radiographs by identifying technique errors, explaining their causes, and identifying measures to take to correct them. (IX)
12. Identify the anatomy of the dentition and landmarks of the maxilla and mandible by utilizing intraoral and extraoral radiographs. (X)
13. Identify and chart atypical or pathological conditions by utilizing intraoral and extraoral radiographs. (X)
14. Maintain darkroom processing equipment, including the automatic processor and time-temperature equipment. (IX)
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MCCCD Official Course Outline:
 
DHE118   19936-20006 Oral Radiography Laboratory
    I. Radiography Equipment
        A. Operation of processing equipment
          1. Automatic processors AT200 and Peri-Pro
          2. Time-temperature equipment
        B. Operation of X-Ray machine
          1. Control panel
          2. Tube head
        C. Operation of practice mannequins
        D. Radiation protection equipment
          1. Lead shield
          2. Thyroid collar
        E. Asepsis
          1. Radiography/darkroom equipment
          2. Film holders
      II. X-Ray Film
          A. Types and uses
            1. Extraoral
            2. Intraoral
            3. Duplicating
            4. Panoramic
          B. Sizes and uses
            1. #0, #1, #2, #4
            2. Panoramic
        III. Film Holders
            A. Intraoral
              1. Paralleling equipment
              2. Snap-A-Ray
              3. Bitewing tabs
            B. Extraoral
              1. Panoramic film cassette
              2. Miscellaneous extraoral cassettes
          IV. Radiographic Landmarks
              A. Intraoral--maxilla and mandible
                1. Radiolucent
                2. Radiopaque
              B. Extraoral--panoramic films
              C. Pathology, restorative materials, and atypical/abnormal conditions
                1. Identification and differentiation
                2. Charting techniques
            V. Exposing Intraoral Radiographs
                A. Bisection technique--18 film series
                B. Paralleling technique--20 film series
                C. Interproximals (tab and paralleling equipment)
                  1. Horizontal
                  2. Vertical
              VI. Mounting Radiographs
                  A. 18-film series (adult)
                  B. 20-film series (adult)
                  C. Bitewings--horizontal and vertical
                  D. Pedodontic full-mouth series
                  E. Edentulous full-mouth series
                  F. Accessory films
                VII. Processing Radiographs--Automatic Development
                  VIII. Evaluation of Radiographs
                      A. Grading
                        1. Periapicals
                        2. Interproximals
                        3. Panoramic films
                        4. Accessory films
                      B. Technique evaluation form
                        1. Identification of technique errors
                        2. Troubleshooting technique errors to identify their cause/correction
                    IX. Darkroom Equipment Maintenance
                        A. Automatic developers--AT 2000 and Peri-Pro
                        B. Time-temperature equipment
                      X. Exposing Accessory Radiographs
                          A. Intraoral films
                            1. Edentulous
                            2. Topographical
                            3. Cross-sectional
                            4. Distal/oblique
                            5. Digital
                            6. Pedo bent film
                          B. Extraoral films
                            1. Lateral jaw
                            2. Panoramic--film cassette, machine operation, and processing film
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