PowerPoint Presentation - Panoramic Technique

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Panoramic Technique Errors

• K. Hock, RDH, MAdEd
• DHY 202 Clinical Radiology I
• Dental Hygiene Department
• William Rainey Harper College

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Introduction

• It is important to look at other anatomical
  features besides the teeth when assessing
  diagnostic quality of a panoramic radiograph.

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Assessing The Diagnostic Quality of Panoramic
Radiographs

• Divide the panoramic radiograph into six zones
  three are in the midline and three are bilateral

Zone 2
Zone 4
Zone1
Zone 5
Zone 6
Zone 3
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Technique Errors
Client Preparation
Client Positioning
Operational
Film Handling
Exposure
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Client Positioning Errors
Antero- posterior
Horizontal/ Midsaggital
Cervical Spine
Vertical/ Occlusal
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Client Preparation Errors
Objects
Unsharpness
Air Space Artifacts
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Exposure Errors
Under Exposed
Over Exposed
Double Exposure
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Operational Errors
Incomplete Exposure
Cassette Resistance
Not Starting at Home Base
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Film Handling Processing Errors
Static Electricity
Debris/ Scratched Screens
Film Crimping
White Light Exposure
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Technique Errors
Client Preparation
Client Positioning
Operational
Film Handling
Exposure
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Client Positioning Errors
Antero- posterior
Horizontal/ Midsaggital
Cervical Spine
Vertical/ Occlusal
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Client Positioning Errors
Antero- posterior
Client too far forward
Client too far back
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Client Too Far Forward
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Client Too Far Forward
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Client Too Far Forward
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Client Too Far Back
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Client Too Far Back
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Client Too Far Back
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Client Positioning Errors
Antero- posterior
Horizontal/ Midsaggital
Cervical Spine
Vertical/ Occlusal
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Client Positioning Errors
Horizontal- Midsaggital
Client head twisted, turned or rotated
Client head tilted
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Client Head is Twisted, Turned or Rotated
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Client Head is Twisted, Turned or Rotated
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Client Head is Twisted, Turned or Rotated
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Client Head is Tilted
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Client Head is Tilted
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Client Head is Tilted
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Client Positioning Errors
Antero- posterior
Horizontal/ Midsaggital
Cervical Spine
Vertical/ Occlusal
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Client Positioning Errors
Client head /chin is tipped or tilted downward
or too low
Client head /chin is tipped or tilted upward or
too high
Vertical head or occlusal plane
Client head /chin is not on the chin rest
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Client Head is Tipped/Tilted Downward or Too Low
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Client Head is Tilted
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Client Head is Tipped/Tilted Downward or Too Low
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Client Head is Tipped/Tilted Upward or Too High
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Client Head is Tipped/Tilted Upward or Too High
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Client Head is Tipped/Tilted Upward or Too High
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Client Head/Chin is not on the Chin Rest
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Client Head/Chin is not on the Chin Rest
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Client Head/Chin is not on the Chin Rest
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Client Positioning Errors
Antero- posterior
Horizontal/ Midsaggital
Cervical Spine
Vertical/ Occlusal
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Cervical Spine Error
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Cervical Spine Error
Client spinal column is slumped
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Cervical Spine Error
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Technique Errors
Client Preparation
Client Positioning
Operational
Film Handling
Exposure
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Client Preparation Errors
Unsharpness
Air Space Artifacts
Objects
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Client Preparation Errors
Objects
Prostheses, Jewelry Removable Item Artifact
Apron/Thyroid Shield Artifact
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Object Artifacts
Jewelry chainblack arrow Ghost imagearrowhead
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Object Artifacts
Prostheses
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Lead Apron Artifact
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Client Preparation Errors
Objects
Air Space Artifacts
Unsharpness
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Client Preparation Errors
Unsharpness
Client Movement
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Unsharpness
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Unsharpness
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Client Preparation Errors
Objects
Air Space Artifacts
Unsharpness
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Client Preparation Errors
Air Space Artifact
Tongue not on palate and lips open
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Air Space Artifact
Tongue not on palate and lips open
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Air Space Artifact
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Technique Errors
Client Preparation
Client Positioning
Operational
Film Handling
Exposure
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Exposure Errors
Over Exposure
Double Exposure
Under Exposure
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Underexposure
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Exposure Errors
Under Exposure
Double Exposure
Over Exposure
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Overexposure
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Exposure Errors
Over Exposure
Under Exposure
Double Exposure
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Double Exposure
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Technique Errors
Client Preparation
Client Positioning
Operational
Film Handling
Exposure
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Operational Errors
Cassette Resistance
Incomplete Exposure
Not Starting At Home Base
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Incomplete Exposure or Not Starting At Home Base
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Operational Errors
Incomplete Exposure
Not Starting At Home Base
Cassette Resistance
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Cassette Resistance
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Cassette Resistance
70
Technique Errors
Client Preparation
Client Positioning
Operational
Film Handling
Exposure
71
Film Handling Processing Errors
Static Electricity
Debris/ Scratched Screens
Film Crimping
White Light Exposure
Black, tree-like artifacts
White artifacts
Finger-nail artifact
Black zone