Stedman's Medical Dictionary
Stedman's > S-N-A angle

S-N-A angle

in cephalometrics, an angle measuring the anteroposterior relationship of the maxillary basal arch on the anterior cranial base; it shows the degree of maxillary prognathism.

[sella-nasion-subspinale (or point A)]

See Also: subspinale




 

 

 

 

 

 



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