Figure 4. Superimposition of all the clusters over the Japanese standard profilogram.

The superimposition was performed at point S, parallel to the Frankfurt horizontal (FH) plane. The square dotted line, dashed line, dash-dotted line, and solid line represent clusters A, B, C, and the Japanese standard, respectively. Abscissa: FH-parallel line through S; Ordinate: FH-perpendicular line through S. S: sella turcica.