Panoramic Positioning Errors Flashcards
The following need to be \_\_\_\_ for pano radiography: Dental appliances Earrings Necklaces Hairpins Glasses
Removed
______ pano error:
• Anterior teeth narrowed and blurred.
• Cervical spine superimposed on ramus.
(double real image of cervical spine).
Too far forward
______ pano error:
• Anterior teeth widened and blurred.
• Inferior turbinates and meati spread across maxillary sinuses.
• Condyles close to or cut off side of image.
Too far back
______ pano error:
• Excessive curvature of occlusal plane.
• Roots of mandibular anterior teeth are blurred.
• Rami/condyles tipped inward.
• Condyles close to or cut off top of image.
• Hyoid bone superimposed on mandible.
Chin Down
______ pano error:
• Flat occlusal plane or reverse curvature.
• Roots of maxillary anterior teeth are blurred.
• Rami/condyles tipped laterally.
• Condyles close to or cut off side of image.
• Hard palate superimposed on maxillary apices.
Chin up
______ pano error:
• Unequal magnification of left and right side (teeth, ramus)
• Increased blurring and overlapping of contacts on one side.
Head turned
If the patient is ______, there will be a prominent ghost image of cervical spine
Slumped
If the patient’s __________, the palatoglossal air space shows up on the pano causing less acuity on the apices of max teeth
Tongue not on palate
______ pano error:
Too far forward
______ pano error:
Too far forward
______ pano error:
Too far back
______ pano error:
Too far back
______ pano error:
Too far back
______ pano error:
Chin down
______ pano error:
Chin down