Category: EPA-1

EPA 1C: Radiological Acquisition

Radiological Acquisition
Meets Expectations of the Graduate
Progressing
Below Expectations
Critical Error
Isolation and Operatory Set Up
  • X-ray unit turned on
  • Barriers placed on x-ray unit, chair and exposure control unit
  • Proper patient opened in Epic and MiPACS
  • Lead apron used if appropriate
  • Rectangular collimator used
  • Proper use of XCP equipment
  • Proper detector used
  • Correct radiographs taken
  • Correct exposure settings used
  • Infection control procedures followed
  • Images properly mounted
  • Operatory cleaned up
  • Operatory not completely setup (student does not require assistance to remedy)
  • X-ray unit not turned on
  • Lead apron not used
  • Settings not according to chart some of the time
  • Operatory not completely setup (student requires assistance to remedy)
  • No barriers placed
  • MiPACS not opened
  • Rect collimator not in place
  • Infection controlled not followed
  • Improper mounting of images
  • Operatory not cleaned up
  • Additional exposures made without approval
Intraoral radiography image quality (general, regional, local)
All Intraoral Radiograph
  • Correct density and contrast
  • No vertical distortion
  • No cone-cuts
  • Occlusal plane parallel to receptor
  • Apices 5 mm or more from the edge
  • Minor deviation not affecting Dx
  • Minor distortion not affecting Dx
  • Minor cone-cut not affecting Dx
  • Minor deviation not affecting Dx
  • Major deviation not affecting Dx
  • Major distortion not affecting Dx
  • Major cone-cut not affecting Dx
  • Major deviation not affecting Dx
  • Major deviation affecting Dx
  • Major distortion affecting Dx
  • Major cone-cut affecting Dx
  • Major deviation affecting Dx
Periapical Radiograph
  • No overlap of roots
  • Occlusal surfaces visible
  • Apices spaced from edge but less than 2 mm
  • Minor overlap of roots not affecting diagnosis
  • Some cusps missing
  • Apices at edge
  • Major overlap of roots not affecting diagnosis
  • All cusps missing
  • One or more apices not visible
  • Major overlap of roots affecting diagnosis
  • Occlusal surface missing
Bitewing Radiograph
  • Vertically centered*
  • Crestal bone clearly visible
  • No overlap of proximal surfaces
  • Minor deviation but all alveolar bone visible
  • Slight overlap but less than 1/3 enamel
  • Major deviation but all alveolar bone visible
  • More than 1/3 enamel overlap but less than 1/2
  • Alveolar bone of maxilla or mandible not visible
  • 1/2 or more enamel overlap
Anterior Periapical Radiograph
  • Central incisor contact centered
  • Minor deviation, but all teeth visible
  • Major deviation, but all teeth visible
  • Not all teeth visible
Lateral-Canine Periapical Radiograph
  • Lateral-canine contact centered
  • Minor deviation, but all teeth visible
  • Major deviation, but all teeth visible
  • Not all teeth visible
Premolar Periapical Radiograph
  • Distal half of canine visible
  • Only distal 1/3 of canine visible
  • Only canine enamel visible
  • No canine enamel visible
Molar Periapical Radiograph
  • All molars visible
  • Third molar area visible
  • More than 1/2 of one molar visible
  • Less than 1/2 of one molar visible
  • One molar not visible
Premolar Bitewing Radiograph
  • Distal half of canine visible
  • Only distal 1/3 of canine visible
  • Only canine enamel visible
  • No canine enamel visible
Molar Bitewing Radiograph
  • Most distal surface visible
  • Most distal surface not visible
Panoramic Radiography Equipment Use
  • Machine properly setup up with appropriate barriers
  • Proper exposure parameters selected
  • Proper guidance and positioning of patient to include bite location, chin level, midsagittal, spine inclination, tongue positioning
  • Minor deviation not affecting diagnosis
  • Major deviation not affecting diagnosis
  • No attention to machine setup
  • No attention to exposure parameter selection
  • No, or incorrect, instructions to patient affecting image quality and potential need for reimaging
Panoramic Radiography Image Quality
  • Symmetrical structures with no positioning errors or distortion
  • All appropriate structures are present
  • No artifacts from jewelry, shielding, removable appliances, or tongue placement
  • Ideal image density and contrast
  • Minor deviation not affecting diagnosis
  • Minor distortion not affecting diagnosis
  • Major deviation not affecting diagnosis
  • Major distortion not affecting diagnosis
  • Major deviation affecting diagnosis
  • Major distortion affecting diagnosis