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PA Cephalometric Landmarks
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Roof of Orbit (RO)
uppermost point on the roof of the orbit
Lateroorbitale (LO)
Intersection point between the external orbital contour laterally and the oblique orbital line (projection of the greater wing of the sphenoid)
Zygomaticofrontal Suture Point (Z)
Intersection of external orbit and orbital portion of frontal bone
Crista Galli (Cr)
Neck of crista galli, most constricted point of the projection of the perpendicular lamina of the ethmoid
Maxillare (Mx)
Maximum concavity on the contour of the maxilla between malare and the maxillary first molar
Zygoma (ZA, AZ)
The lateral border on the center of the zygomatic arch
Lateral Nasal (NC, CN)
Points on the outline of the nasal cavity at the widest area
Anterior Nasal Spine (ANS)
Tip of the ANS just below the nasal concavity and above the hard palate
Mastoidale (MS)
Lowest point on the contour of the mastoid process
Incisor Superius (IS)
Lowest point on the incisal edge of the maxillary central incisor
Menton (Me)
Lowest point on the contour of the chin
Antegonial Notch (AG, GA)
Lateral inferior margin of the antegonial protruberances
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Author
BayBeEPanDa123
ID
168277
Card Set
PA Cephalometric Landmarks
Description
PA Points and Definitions
Updated
2012-08-31T06:30:24Z
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