From: Stability of the hard and soft tissue profile after mandibular advancement in sagittal split osteotomies: a longitudinal and long-term follow-up study
Reference points and lines used in the cephalometric analysis. S, sella; NSL, nasion–sella-line; N, nasion; x, horizontal reference plane; NL, nasal line; ILs, upper incisal line; Spp, spina nasalis posterior; Spa, spina nasalis anterior; PN, pronasion; point A′; Mo, molar; OL, occlusal line; Ss, stomion superius; Ls, labrale superius; point A; Ii, incision inferior; Si, stomion inferior; Li, labrale inferior; Is, incision superior; tGo, tangent gonion; ML, mandibular line; point B; point B′; Pg, pogonion; Pg′, soft tissue pogonion; Me, menton; Me′, soft tissue menton; and y, vertical reference plane.
Figure Legend:
Eur J Orthod. 2007;30(1):16-23. doi:10.1093/ejo/cjm080
