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Effective: Summer 2011

Grade Type: Letter Grade Only
Not Repeatable.
FHGE: Non-GE Transferable: CSU
1 hour lecture, 3 hours laboratory. (48 hours total per quarter)

Student Learning Outcomes -
  • On a full mouth survey of radiographs, the student will be able to identify one radiolucent and one radiopaque anatomical feature in each arch.
  • The student will be able to recognize a cone cut error for premolar and molar bitewing radiograph.
Description -
Intraoral radiographic technique continued with evaluation of film quality, recognition of landmarks,and film errors. Bitewing radiography is emphasized. Introduction to digital panoramic radiographs and identification of radiolucent and radiopaque landmarks of the head and neck. Intended for students in the Dental Assisting Program; enrollment is limited to students accepted in the program.

Course Objectives -
Expected Outcomes and Dental Assisting Program Competencies
The student will be able to:
Dental Assisting Program Competencies
  1. utilizing a mannequin, expose, process and mount:
    1. a 6 film bitewing survey with no more than two retakes in approximately 45 minutes.
    2. a 20 film periapical full mouth survey with no more than 4 retakes in approximately one and one-half hours.
  2. maintain clinical patient records that record pertinent data and information required for procedures, film evaluation, and mailing.
  3. identify on clinical radiographs all diagnostically unusable films, indicate the specific fault or limitation, recognize and describe the improper procedure involved and suggest the procedural correction needed to improve the quality of the radiograph.
  4. analyze and use modified techniques to compensate for or overcome such unusual problems as:
    1. narrow arch
    2. shallow floor of the mouth
  5. describe or perform the following specialized procedures:
    1. occlusal radiograph for children
    2. panoramic radiograph
  6. list the advantages and disadvantages of the panoramic x-ray.
  7. from a panoramic survey, identify the major anatomic landmarks, soft tissue shadows and artifacts.
Infection Control and Hazardous Waste Management
  1. demonstrate the proper disposal of lead foil
  2. demonstrate the proper procedures for the prevention of cross contamination in the operatory and darkroom
  3. demonstrate the proper disinfection and sterilization procedures for film holders.
  4. demonstrate the proper disinfection procedures for the lead shield.
Ethical and Legal Principles:
  1. describe the legal requirements for the operation of radiographic equipment
  2. list the legal ownership of radiographs
  3. demonstrate fidelity or act in the best interest of the patient by placing a lead shield on every patient prior to radiation exposure.
Special Facilities and/or Equipment -
  1. Gown, safety glasses, masks, and gloves.
  2. X-ray laboratory,darkroom facilities, mannequins, view boxes, film, PSP sensors and digital dental scanner.

Course Content (Body of knowledge) -
  1. Anatomical Landmarks (Lec)
    1. maxillary sinus
    2. median palatal suture
    3. zygomatic arch
    4. mandibular canal
    5. mental foramen
    6. genial tubercle
  2. Radiographic technique errors (Lec)
    1. backwards film
    2. blurred film
    3. under/over exposed film
    4. double exposure
    5. foreshortening
    6. cone cutting
    7. overlapping
    8. elongation
  3. Ideal Patients or Needs for the Panoramic Radiograph (Lec)
    1. children/adolescents
    2. orthodontic patients
    3. trauma patients
    4. 3rd molar extractions
    5. conclusive maxillary and mandibular interpretations
Methods of Evaluation -
Methods of evaluations are by written exams, slide quizzes and laboratory/clinical performance evaluations. Students are required to produce diagnostic dental x-rays. Dental film analysis and evaluation of technical placement will be completed on patients.
Representative Text(s) -
Iannucci, Howerton. Dental Radiography. 3rd Edition Saunders. 2006 ISBN# 13 978-0-7216-1575-2
Yamamoto, Judy Radiology Lecture Syllabus2011
Yamamoto, Judy Radiology Lab Policy and InformationManual2010-2011

Disciplines -
Dental Assisting
Method of Instruction -
May include but not limited to lecture, discussion, observation and cooperative learning exercises.
Lab Content -
  1. Laboratory content includes film exposure on mannequins and patients.
  2. Continued practice on film development and viewing critique of film placement, developing errors and angulations.
  3. Laboratory assignments include peer and instructor evaluations on film mounting, film holder set-ups and film placement practice.
  4. Panoramic radiographic techniques will be demonstrated.
Types and/or Examples of Required Reading, Writing and Outside of Class Assignments -
  1. An example of a lab reading assignment is to review the KODAK Dental Radiography Series of "Successful Panoramic Radiography", sponsored by the Academy off Dental Therapeutics & Stomatology by William S. Moore, DDS MS at UTHSCSA Dental School, San Antonio, Texas.
  2. An example of a writing assignment: List the procedures and state the rationale involved in taking a diagnostic panoramic x-ray. Include all technical aspects and the prevention of diagnostic errors.