Parameter | Class III malocclusion | ||||||
---|---|---|---|---|---|---|---|
Lower premolar extraction | Moderate MxA | Pronounced MxA | Moderate MnS | Pronounced MnS | Moderate MxA/MnS | Pronounced MxA/MnS | |
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
SNA | −0.38 (3.04) | 0.12 (1.73) | 0.94 (1.74) | 3.44 (1.46) | 5.72 (2.29) | 3.41 (5.20) | 3.34 (3.16) |
SNB | −0.96 (2.35) | −0.79 (1.24) | 0.00 (1.15) | −1.97 (1.61) | −2.71 (1.99) | 0.96 (4.71) | −2.40 (3.31) |
WITS | 0.78 (3.26) | 3.95 (1.73) | 6.22 (2.69) | 3.38 (2.25) | 7.03 (2.66) | 3.14 (2.28) | 8.35 (4.56) |
NL/NSL | 0.38 (3.35) | 0.90 (3.97) | 0.29 (2.90) | 0.52 (1.56) | −0.47 (2.81) | 1.52 (5.97) | 0.40 (3.71) |
ML/NSL | 1.82 (2.75) | 0.71 (2.68) | 0.00 (2.37) | −0.12 (1.35) | −0.29 (2.65) | −1.43 (3.76) | − 0.36 (4.01) |
N-A-Pog | −0.74 (3.46) | 0.70 (5.27) | 4.72 (8.59) | −1.13 (2.03) | 3.37 (5.38) | −3.13 (4.02) | 5.30 (7.09) |
N′-Prn-Pog’ | 1.70 (4.32) | −4.84 (3.81) | − 3.47 (5.21) | −1.12 (3.45) | − 3.45 (5.31) | −3.13 (4.58) | −5.91 (6.04) |
N′-Sn-Pog’ | 0.76 (5.45) | −6.09 (2.58) | − 5.50 (6.53) | −2.43 (5.08) | −3.24 (5.87) | − 5.20 (7.74) | − 6.36 (7.29) |
Cm-Sn-Ls | 1.53 (6.06) | 4.23 (8.51) | 1.61 (7.81) | 2.13 (4.78) | −0.08 (6.88) | 0.85 (10.70) | 1.93 (12.60) |
Pog’-B′-Li | −2.80 (17.80) | −12.00 (9.25) | −11.10 (12.90) | − 15.80 (17.50) | −8.42 (12.60) | −13.90 (17.10) | − 13.00 (17.00) |
LiPog’-Gn’H | −3.49 (12.90) | 2.49 (10.70) | 5.14 (11.00) | 9.52 (22.30) | 7.66 (11.50) | −0.09 (20.10) | 3.84 (13.60) |
Sn-Sto | 2.34 (3.68) | 2.40 (2.41) | 1.48 (2.28) | −0.18 (2.78) | 0.87 (3.09) | 0.82 (3.04) | 1.83 (3.82) |
A–A’ on NL | −1.68 (6.53) | −0.90 (2.01) | −2.48 (2.38) | −0.28 (2.27) | − 0.59 (2.33) | 0.47 (2.69) | − 0.84 (3.29) |
Ls-E-line | −0.78 (2.16) | 2.31 (1.16) | 4.06 (3.68) | 0.77 (3.25) | 1.69 (2.12) | 3.27 (4.70) | 3.61 (3.13) |
Sto- Gn’ | 2.91 (5.18) | −3.53 (2.76) | −3.58 (5.49) | 1.65 (3.70) | −2.67 (5.15) | −1.59 (7.90) | −1.52 (5.94) |
B–B′ on ML | 0.43 (2.80) | −0.01 (1.24) | 0.59 (2.08) | 0.28 (1.54) | 1.69 (2.39) | 0.77 (2.01) | 1.41 (2.69) |
Li-E-line | −1.35 (2.51) | 0.33 (1.25) | 1.42 (1.55) | 1.18 (4.55) | 0.06 (2.63) | 0.58 (4.41) | 0.20 (2.90) |