Cephalometric Landmarks Flashcards
A-point (A)
the most ____ point on the maxilla between ____ and the ____
posterior
anterior nasal spine
maxillary alveolar process
Anterior nasal spine (ANS)
the tip of the ____ process of the maxilla at the ____ margin of the ____
median sharp bony
lower
anterior nasal opening
B-point (B)
the most ____ point on the mandible between ____ and the crest of the ____
posterior
pogonion
mandibular alveolar process
Condylion (Cd)
the most ____ point on the curvature of the ____ of the right and left outlines of the ____
posterior superior
average
condylar heads
Gnathion (Gn)
the ____, most ____ point on the ____ outline
lowest
forward
chin
Gonion (Go)
the ____, most ____ point on the mandible formed by the junction of the ____ and the ____ of the mandible
lowest
forward
ramus
body
Menton (Me)
the most ____ point on the ____ outline of the ____
inferior
symphyseal
mandible
Nasion (N)
the intersection of the ____ and the ____ in the ____ plane
frontal bone
frontonasal suture
midsagittal
Orbitale (Or)
the ____ point on the ____
lowest
infraorbital margin
Pogonion (Pog)
the most ____ point on the contour of the bony ____
anterior
chin
Porion (Po)
the most ____ point of the average of the bony ____
superior
external auditory meatus
Posterior nasal spine (PNS)
the most ____ point on the bony ____
posterior
hard palate
Sella (S)
the center of the ____ of the ____
bony crypt
pituitary gland
