dental radiology 1050 ch 16 intro to radiographic exams

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dental radiology 1050 ch 16 intro to radiographic exams
2014-08-27 21:56:34

chapter 16
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  1. intraoral radiographic examination
    radiographic inspection of teeth and intraoral adjacent structures they are: periapical examination, interproximal examination (bitewing teet, inbetween teeth), and occlusal examination = the whole biting surface either maxillary or mandibular
  2. periapical examinations
    • purpose: to examine the entire tooth (crown and root) and supporting bone
    • film type: periapical film (PAX)
    • Technique: paralleling technique and bisecting technique
  3. interproximal examinations
    • purpose: to examine crown of both the maxillary (upper) and mandibular (lower) teth on a single film.  proximal examination of adjacent tooth surfaces and crestal bone
    • film type:  bite-wing film (BWX)
    • technique: bitewing technique
  4. Occlusal examinations
    • purpose: to examine large areas of the maxilla (upper jaw) or the mandible (lower jaw) on one film
    • film type: occlusal film
    • technique: occlusal technique
  5. complete mouth radiographic series
    • a series of intraoral dental radiographs that show all the tooth-bearing areas of the maxilla and mandible
    • consist of a combination of periapical and bitewing radiographs. we do 18. 
    • dentulous - areas that exhibit teeth
    • endentulous - areas where teth are no longer present
  6. dentulous
    areas that exhibit teeth
  7. edentulous
    areas where teeth are no longer present
  8. diagnostic criteria for intraoral radiographs
    • must show images with optimum density, contrast, definition and detail
    • must show images with the least amount of distortion possible. same size and shape as object being radiographed
    • FMX (full mouth) must include all tooth-bearing areas
    • PAZ (periapical) must show entire crowns and roots of the teeth being examined as well as 2-3 mm beyond the root apices
    • BWX (bite wings) must show open contacts or interproximal tooth surfaces not overlapped
  9. extraoral radiographic examinations
    • inspection of large areas of the skull of jaws
    • panoramic, ceph
  10. prescribing of dental radiographs
    • based on individual needs of the patient
    • professional judgement made by the dentist (number, type, frequency)