Vertical fifths:

  • Analysis of width of chin

Horizontal thirds:

  • Analysis of length/height of chin

Frankfurt Horizontal:

  • Connects superior aspect of auditory canal to orbital margin. This line should be parallel to the floor
  • A vertical line from the nasion should cross the horizontal plane at right angle and the pogonion should touch this line.
  • Analysis of chin projection
  • Analysis of jowl and jawline irregularities
  • Analysis of mandible angle
Beauty Training Portal