population of young adults, to find the differences in cranio-facial morphology between
males and females and to establish the equivalency between conventional measurements
and those based on the true horizontal. Materials and method Ninety subjects divided into
43 women and 47 men, aged from 18 to 30 years, were selected based on specific criteria.
The lateral cephalograms were taken in the natural head position. Downs, Steiner, Tweed …