Frankfurt-mandibular incisor angle

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Related to Frankfurt-mandibular incisor angle: FMA, Frankfort plane

Frankfurt-mandibular incisor angle (FMIA)

(in dentistry) the precumbency of the mandibular incisor to the Frankfurt horizontal plane. The angle is formed by the intersection of the long axis of the lower central incisor with the Frankfurt-mandibular plane.

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.
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