Numbers of Beauty: An Innovative Aesthetic Analysis for Orthognathic Surgery Treatment Planning

Table 1

Arnett’s STCA on the reference group.

Variable	Mean Misses	SD Misses	Arnett’s Mean	Arnett’s SD
Facial heights
Upper lip length (mm)	21.3	±2.5	21	±1.9	n.s.
Interlabial gap (mm)	1.2	±0.7	3.3	±1.3	<0.001
Lower lip length (mm)	44.9	±4.7	46.9	±2.3	n.s.
Lower 1/3 of face (mm)	67.3	±6.7	71.1	±3.5	n.s.
Facial height (mm)	118.3	±16.6	124.6	±4.7	n.s.
Soft tissue thickness
Upper lip thickness (mm)	16.1	±2.9	12.6	±1.8	<0.001
Lower lip thickness (mm)	11.3	±1.9	13.6	±1.4	<0.001
Projections to TVL
Glabella (mm)	−8.5	±0.1	−8.5	±2.4	n.s.
Orbital rim (mm)	−22.1	±3.4	−18.7	±2.0	<0.001
Cheekbone (mm)	−21.6	±4.1	−20.6	±2.4	n.s.
Subpupil (mm)	−17.6	±2.6	−14.8	±2.1	<0.001
Nasal projection (mm)	15.2	±2.4	16	±1.4	n.s.
Alar base (mm)	−12.9	±2.2	−12.9	±1.1	n.s.
Soft tissue A′ (mm)	−1.2	±1.2	1	±1.7	<0.001
Upper lip anterior (mm)	1.6	±1.6	3.7	±1.2	<0.001
Upper lip angle (°)	8.7	±7.9	12.1	±5.1	n.s.
Nasolabial angle (°)	108.9	±14	103.5	±6.8	n.s.
Lower lip anterior (mm)	−1.8	±2.7	1.9	±1.4	<0.001
Soft tissue B′ (mm)	−8.3	±3.6	−5.3	±1.5	<0.001
Soft tissue Pogonion′ (mm)	−5.9	±4.4	−2.6	±1.9	<0.001
Throat length (mm)	55.1	±8.2	58.2	±5.9	n.s.
Facial harmony
Facial angle (°)	166.5	±4.6	169.3	±3.4	<0.001
Forehead to maxilla (mm)	7.2	±1.2	8.4	±2.7	0.002
Forehead to chin (mm)	2.6	±4.4	5.9	±2.3	0.001
Orbital rim to maxilla (mm)	20.9	±3.2	18.5	±2.3	0.001
Orbital rim to chin (mm)	16.3	±4.5	16	±2.6	n.s.
Subnasale to chin (mm)	5.9	±4.4	3.2	±1.9	0.006
Maxilla to mandible (mm)	7.1	±3.0	5.2	±1.6	0.005
Lip to lip (mm)	3.3	±1.9	1.8	±1.0	0.006
Lower lip to chin (mm)	4.1	±2.8	4.5	±2.1	n.s.
B′ to chin (mm)	2.5	±1.8	2.7	±1.1	n.s.