Figure 1. lip form and position soft tissue analysis. (A sample of profile lower face analysis); nasolabial angle (Cm-Sn-Ls), mentolabial sulcus depth (Si to Li-Pog’), maxillary incisor exposure (Stms-1). b) Upper lip protrusion (Ls to Sn-Pg’), lower lip protrusion (Li to Sn-Pog’), vertical lip-chinratio (Sn-Stms / Stmi-Me’), interlabial gap (Stms-Stmi).

From

Considerations to Planning Orthognathic Surgery in Different Regions of Saudi and the Middle East

Mazen Almasri, Sara M. Bukhari

American Journal of Public Health Research. 2014, 2(1), 6-9 doi:10.12691/ajphr-2-1-2