S-N-B angle

S-·N-·B an·gle

an angle showing the anterior limit of the mandibular basal arch in relation to the anterior cranial base.
See also: supramentale.
[sella-nasion-supramentale (or point B)]

S-N-B an·gle

(anggĕl)
Angle showing anterior limit of mandibular basal arch in relation to anterior cranial base.