Anatomical landmarks: (1) Supraglabella. (2) Glabella. (3) Nasion. (4) End of nasal. (5) Mid-philtrum .(6)Upper lipmargin. (7)Lower lip margin. (8) Chin lip fold. (9) Mental eminence. (10) Beneath chin. (11) Vertex. (12) Opisthocranion.