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Table 2 List of observed parameters used in the anthropometric analyses and its definiton

From: An evaluation of three-dimensional facial changes after surgically assisted rapid maxillary expansion (SARME): an observational study

Parameter

 

Inner eye distance | enL-enR (mm)

The distance between the left and right endocanthions

Nasal ala width | alL-alR (mm)

The distance between the left and right alae nasi points

Nasal base width | acL-acR (mm)

The distance between the left and right alae nasi curvature points

Facial width | zyL-zyR (mm)

The distance between the left and right zygoma

Gonion width | goL-goR (mm)

The distance between the left and right gonion

Mouth width | chL-chR (mm)

The distance between the left and right cheilions (the point at each labial commisure)

Intermental width | meL-meR (mm)

The distance between the left and right menton

Face height | g-pg (mm)

The distance between the glabella and pogonion points

Upper face height | g-sn (mm)

The distance between the glabella and sub-nasale points

Lower face height | sn-pg (mm)

The distance between the sub-nasale and pogonion points

Nasal dorsum length | n-prn (mm)

The distance between the base of the nose (nasion point) and the tip of the nose (pronasale point)

Nasal tip protrusion | prn-sn (mm)

The distance between the pronasale and subnasale points

prn-pg (mm)

The distance between the pronasale and pogonion points

Vertical philtrum height | sn-st (mm)

The distance between the sub-nasale and stomion points

Facial profile angle | n-sn-pg (°)

The angle between the nasion, sub-nasale and pogonion points

Nasolabial angle | cm-sn-ls (°)

The angle between the collumela, subnasale and the upper lip

Nasal width angle | acL-prn-acR (°)

The angle between the alare curvature, pronasale and the alare curvature on the other side