Parameter | Class II malocclusion | ||||
---|---|---|---|---|---|
Upper premolar extraction | Moderate MnA | Pronounced MnA | Moderate MxS/MnA | Pronounced MxS/MnA | |
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
SNA | −1.75 (2.69) | 0.43 (2.28) | −0.10 (1.56) | −0.37 (3.21) | − 1.47 (3.61) |
SNB | −0.49 (2.15) | 2.94 (1.81) | 3.41 (1.29) | 1.91 (2.27) | 1.03 (3.32) |
WITS | −2.04 (3.77) | −4.36 (2.25) | −6.07 (2.70) | −3.07 (2.60) | −5.23 (4.05) |
NL/NSL | 0.55 (2.97) | −0.39 (2.13) | −0.61 (1.56) | − 0.35 (4.32) | −0.03 (5.88) |
ML/NSL | 0.21 (2.39) | 1.00 (4.34) | 0.93 (4.41) | 0.65 (2.30) | 2.87 (2.87) |
N-A-Pog | 1.76 (2.14) | 3.39 (4.11) | 7.35 (5.15) | 4.52 (4.60) | 3.67 (1.08) |
N′-Prn-Pog’ | 0.71 (3.78) | 4.20 (3.23) | 4.55 (2.56) | 3.14 (5.63) | 5.67 (1.50) |
N′-Sn-Pog’ | 1.92 (1.69) | 4.23 (3.00) | 5.75 (4.90) | 4.33 (5.39) | 8.07 (3.66) |
Cm-Sn-Ls | 0.03 (9.20) | 2.48 (6.99) | 0.36 (10.20) | −1.07 (10.50) | 5.27 (16.80) |
Pog’-B′-Li | 0.93 (14.50) | 21.60 (18.80) | 18.90 (10.10) | 6.73 (12.70) | 14.20 (16.90) |
LiPog’-Gn’H | −4.83 (11.90) | −4.69 (14.20) | −7.99 (10.50) | − 11.40 (19.90) | −23.70 (15.00) |
Sn-Sto | 0.12 (1.72) | −0.13 (2.32) | −0.80 (2.26) | −1.43 (1.77) | −3.30 (0.87) |
A–A’ on NL | 0.81 (2.34) | −0.46 (2.09) | 0.50 (1.99) | 0.23 (1.82) | −1.90 (3.20) |
Ls-E-line | −2.33 (1.34) | −2.12 (2.03) | −3.46 (2.33) | − 2.20 (2.55) | − 5.87 (3.59) |
Sto- Gn’ | 2.80 (5.51) | −0.20 (4.26) | 0.84 (4.10) | −0.96 (5.04) | 0.47 (3.06) |
B–B′ on ML | −0.49 (1.21) | 0.36 (2.00) | 0.23 (1.84) | − 0.72 (1.78) | −1.07 (2.94) |
Li-E-line | −2.39 (1.84) | −0.97 (2.84) | −1.59 (2.94) | − 2.76 (3.78) | −5.17 (7.10) |