Frankfurt-mandibular incisor angle


fa·cial an·gle

(fāshăl anggĕl) 1. Any of several variously named and variously defined anatomic angles that have been used to quantify facial protrusion. 2. In dentistry, angle formed by intersection of orbitomeatal plane with nasion-pogonion line, which establishes anteroposterior relation of mandible to upper face at the orbitomeatal plane.
Synonym(s): Frankfurt-mandibular incisor angle.