Cephalometric analysis anatomic points guide

151-Cephalometric analysis- Anatomic
points
Analyse céphalométrique
points anatomique - Part 1
2010
Oussama SANDID- Orthodontist,.
Awatef SHAAR (BAU-LB), Orthodontist.
Mohamad ABOULNASER- Orthodontist, BAU, Connecticut, USA.

Plan
• ANATOMIC POINTS
• CRANIAL BASE
• S Sella • Pg Pogonion
• N Nasion • Go Gonion
• Or Orbite • Co Condyle
• ANS Ant nasal spine • PR Porion
• PNS Post nasal spine • BA Basion
• A A point • Xi point
• B B point • A 1 Incisor
• Me Menton • AR Incisor
• PT point • CC Point
• CF Point • BR Incisor
• B1 Incisor • A6 Upper Molar
• B6 Lower Molar • DC Point
• EN Nose • UL Upper lip
• DT Chin • LL Lower Lip
• EM Embrasure
Oussama SANDID - Mohamad ABOUALNASER- Awatef SHAAR

Cephalometric analysis Anatomic points
ANATOMIC POINTS
CRANIAL BASE
S Sella
N Nasion
Or Orbite
MAXILLA
ANS Ant nasal spine
PNS Post nasal spine
A A point
MANDIBLE
B B point Pg
Pogonion
Me Menton
Go Gonion
Co Condyle

Cephalometric analysis
Anatomic points
Oussama SANDID- Mohamad ABOUALNASER
ANATOMIC POINTS
CRANIAL BASE
S Sella
N Nasion
Or Orbite
MAXILLA
ANS Ant nasal spine
A A point
MANDIBLE
B B point Pg
Pogonion
Me Menton
Go Gonion
Co Condyle

ANATOMIC POINTS
CRANIAL BASE
S Sella
N Nasion
Or Orbite
MAXILLA
ANS Ant nasal spine
A A point
MANDIBLE
B B point Pg
Pogonion
Me Menton
Go Gonion
Co Condyle
Anatomic points

Sella S: Middle point of the sellaturcica

N Nasion

Or Orbite

Maxilla
ANS Ant nasal spine
A A point
Anatomic points
ANS Ant nasal spine

• PNS :Tip of the posterior nasal spine

A A point

B point: The deepset point on the ant.curvature of the mandible

Pg Pogonion

Menton ME: Point at junction between chin bone and inferior border of themandible
ME

Go Gonion

Gn Gnathion

PR Porion

PT point

BA Basion

CF Point

Xi point

A 1 Incisor

AR Incisor

CC Point

B1 Incisor

BR Incisor

A6 Upper Molar

B6 Lower Molar

DC Point

EN Nose

DT Chin

UL Upper lip

LL Lower Lip

EM Embrasure

• Articulare (Ar) A constructed point representing the intersection of three radiographic
images: the inferior surface of the cranial base and the posterior outlines of the ascending
rami or mandibular condyles. It was meant to substitute condylion when the latter is not
readily discernible. Any movement of the mandible (i.e. opening or closing) will change the
location of articulare. (bilateral)

• Condylion (Co) The most superior posterior point on the head ofthe
mandibular condyle. (bilateral)

• Bolton (Bo): The highest points on the outlines of the retrocondylar
fossae of the occipital bone, approximating the center of the foramen
magnum. Named after C. B. Bolton. (bilateral)

• Cervical point (C):The innermost point between the submental area and
the neck in the midsagittal plane. Located at the intersection of lines
drawn tangent to the neck and submental areas. (midsagittal)

• Crista galli : A vertically elongated, diamond-shaped radiopacity,
appearing between the orbital outlines on postero-anterior
cephalometric radiographs. Its location is used to establish a midsagittal
reference plane. (midsagittal)

• Glabella (G): The most prominent point of the anterior contour of the
frontal bone in the midsagittal plane. (midsagittal)

• L-point: Labrale inferior (Li), Labrale superior (Ls) A point located in the
anterior surface of the cortical plate, labial to the apices of the maxillary
central incisors. Introduced by F.P.G. M. van der Linden, as a point
representing the anterior border of the maxillary apical area.
(midsagittal)

• A point (A) The point of the deepest concavity anteriorly on the maxillary
alveolus
• B point (B) The point of the deepest concavity anteriorly on the
mandibular symphysis
• Sella (S) The midpoint of the sella turcica (pituitary fossa)
• Nasion (N) The most anterior point on the fronto-nasal suture
• Orbitale (Or) The most anterior, inferior point on the infraorbital rim
• Porion (Po) The upper midpoint point on the external auditory meatus
• Anterior Nasal Spine (ANS) The tip of the anterior nasal spine
• Posterior Nasal Spine (PNS) The tip of the posterior nasal spine
• Gonion (Go) The most posterior, inferior point on the mandibular angle
• Gnathion (Gn) The most anterior, inferior point on the mandibular
symphysis
• Menton (Me) The most inferior point on the mandibular symphysis
• Pogonion (Pog) The most anterior point on the mandibular symphysis
http://www.theyoungdentist.com/uk/features/articles/780-a-beginners-guide-to-lateral-cephalometric-radiographs

LEBANON
Byblos, Lebanon | 7000 years old where the first letters of
the alphabet were invented by The Phoenicians. Oldest inhabited city
in the world.

BIBLIOGRAPHY
• https://www.cephx.com/Cephalometric- Analysis/

Cephalometric analysis anatomic points guide

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