Frankfort horizontal plane to mandibular plane:Angle:Pt:Skull:Qn:XR.measured
frankfort horizontal plane to mandibular plane:angle:pt:skull:qn:xr.measured
Frankfort horizontal plane to mandibular plane:Angle:To identify measures at a point in time:Skull:Quantitative:XR.measured
frankfort horizontal plane to mandibular plane:angle:to identify measures at a point in time:skull:quantitative:xr.measured