Table 1
Control group [n=20] Invisalign® group [n=13] p value
Age (years) 19.46 ± 3.32 20.81 ± 4.10 0.305
Sex (%) Male Female
50 50
46.2 53.8
0.829 0.829 Occlusal diagnosis (%)
Class II Class III
25 75
7.7 92.3
0.208 0.208 Skeletal diagnosis (%)
Class II Class III
25 75
7.7 92.3
0.208 0.208 LeFort
Advancement (mm) Rotation
5.09 ± 1.70 2.07 ± 2.23
3.50 ± 2.47 1.43 ± 1.49
0.042 0.392 BSSO
A/P (mm) 1.85 ± 5.09 -0.28 ± 5.39 0.275
Rotation 3.24 ± 2.40 3.20 ± 2.55 0.963
Occlusal angle change -0.19 ± 3.86 -1.25 ± 3.75 0.438
BMI (kg/m2) 23.49 ± 5.11 24.18 ± 3.79 0.678
Operating time (minutes) 287.30 ± 58.95 303.92 ± 64.55 0.451
Extraction of teeth (%) 20 30.8 0.481
Duration of hospital stay (days) 2.20 ± 1.11 1.77 ± 0.60 0.209
Diet advancement (days) 1.60 ± 0.88 1.31 ± 0.48 0.229
Narcotic analgesics Total number of doses Fentanyl (ug)
Hydromorphone (mg) Oxycodone (mg) Hydrocodone (mg) Morphine (mg)
12.65 ± 7.99 42.50 ± 52.00
2.82 ± 3.11 27.38 ± 29.84 11.63 ± 22.31 0.27 ± 0.87
11.77 ± 6.17 51.92 ± 41.41
2.54 ± 3.72 32.12 ± 23.18
2.89 ± 10.40 1.69 ± 4.46
0.738 0.587 0.821 0.631 0.140 0.278
Table 1. Demographic and perioperative data of patients undergoing triple-jaw orthognathic
surgery with conventional fixed appliances (control group) or Invisalign®. Maxillary AP
movement and rotation was measured relative to A point, and mandibular AP movement and
rotation was measured relative to B point. [Averages presented as mean ± standard deviation]
Table 2
Control group [n=5] Invisalign group® [n=4] p value
Age (years) 19.65 ± 5.77 19.47 ± 2.56 0.955
Sex (%) Male Female
0 100
25 75
0.444 0.444 Occlusal diagnosis (%)
Class II Class III
20 80
25 75
1.000 1.000 Skeletal diagnosis (%)
Class II Class III
20 80
25 75
1.000 1.000
BMI (kg/m2) 23.38 ± 3.84 23.29 ± 4.57 0.973
Operating time (minutes) 276.80 ± 76.63 281.00 ± 62.49 0.932
Extraction of teeth (%) 0 25 0.444
Fat grafting (cm3) 15.10 ± 4.62 12.50 ± 2.89 0.361
Post-operative image (days) 10.80 ± 1.79 11.25 ± 2.22 0.745
Volume difference (cc) 44.29 ± 23.16 37.36 ± 31.19 0.712
