Upper central incisor to sella-nasion line:Angle:Pt:Skull:Qn:XR.measured
upper central incisor to sella-nasion line:angle:pt:skull:qn:xr.measured
Upper central incisor to sella-nasion line [Angle] Skull X-ray measured
upper central incisor to sella-nasion line [angle] skull x-ray measured