questions and answers
what can PA cephalogram be used for
used for evaluating asymmetries in transverse plane
- deviation of the chin
- midline asymmetry
- skeletal asymmetry
what is the deepest point on the anterior mandibular symphysis between infradentale and pogonion
Point B
what is the most anterior point on the bony chin
pogonion
what is the most anteroinferior point on the mandibular symphysis
gnathion
what is the most inferior point on the mandibular symphysis
menton
what is the constructed point at the mandibular angle formed by ramus and body tangents
gonion
what is the constructed intersection of the posterior ramus and cranial base
articulare
what is the most posterosuperior point on the mandibular condyle
condylion
what connects the SN plane
sella - nasion
what is the SN plane used for
- horizontal cranial reference structure
- often utilized reference plane due to stability of structures
- important structure used when superimposing cephalometric radiographs
the SN plane represents what?
the anterior cranial base