Lower incisal edge perpendicular to nasion-B point line:Len:Pt:Skull:Qn:XR.measured
lower incisal edge perpendicular to nasion-b point line:len:pt:skull:qn:xr.measured
Lower incisal edge perpendicular to nasion-B point line [Length] Skull X-ray measured
lower incisal edge perpendicular to nasion-b point line [length] skull x-ray measured