Variables | Tooth-borne protraction facemask | Bone-anchored protraction facemask | ||||
---|---|---|---|---|---|---|
Sagittal | Mean | SD | Mean | SD | p value | Sig |
OLp–A pt. | 0.72 | 1.29 | 0.74 | 1.23 | 0.98 | NS |
OLp–B pt. | −2.28 | 1.43 | −2.31 | 2.15 | 0.93 | NS |
OLp–Pg | −2.07 | 2.11 | −1.21 | 3.05 | 0.32 | NS |
Wits | 2.19 | 2.74 | 2.31 | 2.40 | 0.89 | NS |
OLp–Is | 2.12 | 1.22 | 0.87 | 2.43 | 0.03 | * |
OLp–Ii | −3.40 | 2.33 | −2.48 | 2.26 | 0.23 | NS |
Overjet | 5.53 | 2.00 | 3.35 | 2.45 | 0.003 | * |
OLp–Ms | 1.35 | 1.53 | 1.19 | 1.78 | 0.67 | NS |
OLp–Mi | −1.31 | 0.55 | 0.20 | 2.93 | 0.06 | NS |
Molar relationship | 2.53 | 1.55 | 1.18 | 1.99 | 0.02 | * |
Vertical (mm) | ||||||
OLparallel–A pt | 1.15 | 2.00 | −0.40 | 1.40 | 0.004 | * |
Is–NL | −0.52 | 1.50 | 1.34 | 2.80 | 0.01 | * |
Ii–ML | 0.09 | 2.18 | 0.60 | 1.72 | 0.49 | NS |
Overbite | −1.49 | 2.90 | −0.45 | 2.23 | 0.21 | NS |
Msc–NL | 0.80 | 1.56 | 1.09 | 1.86 | 0.63 | NS |
Mic–ML | 0.66 | 1.36 | 0.89 | 1.38 | 0.62 | NS |
Angular (°) | ||||||
SNA | 0.39 | 1.74 | 1.29 | 2.13 | 0.15 | NS |
SNB | −2.19 | 1.51 | −1.32 | 1.99 | 0.13 | NS |
ANB | 2.58 | 1.80 | 2.17 | 2.41 | 0.95 | NS |
SNL–ML | 2.76 | 1.39 | −0.25 | 2.90 | 0.007 | * |
SNL–OL | −1.73 | 3.90 | −1.04 | 3.33 | 0.33 | NS |
SNL–NL | 0.72 | 2.72 | −0.66 | 2.15 | 0.87 | NS |
Is–SNL | −0.19 | 7.35 | −4.42 | 5.67 | 0.04 | * |
Ii–ML | −4.33 | 7.68 | −2.23 | 3.84 | 0.09 | NS |