Effects of Mandibular Protraction Appliance and Jasper Jumper in Class II Malocclusion Treatment

Table 5: Intergroup comparison of treatment/observation changes (ANOVA and Tukey tests).

Variables	Group 1 MPA (n=24)	Group 2 Jasper Jumper (n=25)	Control Group (n=22)	P
Variables	Mean(S.D)	Mean(S.D)	Mean(S.D)	P
Maxillary Skeletal Component
SNA (º)	-0.83 (3.35)^AB	-1.42 (2.31)^A	0.73 (2.59)^B	0.030*
Co-A (mm)	2.81 (2.13)^A	0.58 (2.20)^B	2.95 (2.59)^A	0.000*
A-Nperp (mm)	-0.25 (2.24)^AB	-1.28 (2.89)^A	0.78 (3.29)^B	0.049*
Mandibular Skeletal Component
SNB (º)	1.04 (2.61)^A	0.02 (1.07)^A	0.48 (2.19)^A	0.222
Co-Gn (mm)	7.14 (3.57)^A	4.17 (2.91)^B	4.11 (3.55)^B	0.002*
P-Nperp (mm)	2.32 (2.90) ^A	-0.06 (4.34) ^A	0.92 (4.97) ^A	0.138
Maxillomandibular Relationship
ANB (º)	-1.88 (1.75)^A	-1.42 (1.67)^A	0.23 (1.36)^B	0.000*
Wits (mm)	-2.13 (2.28)^A	-1.72 (3.10)^A	1.15 (2.29)^B	0.000*
Vertical Component
FMA (º)	-0.73 (2.20)^A	0.78 (2.62)^A	-0.02 (1.91)^A	0.073
SN.GoGn (º)	-0.56 (3.06)^A	0.70 (1.83)^A	-0.28 (2.30)^A	0.172
LAFH (mm)	3.21 (2.44)^A	4.30 (2.65)^A	2.86 (2.58)^A	0.138
Maxillary Dentoalveolar Component
1.PP (º)	-10.81 (8.04)^A	0.54 (17.22)^B	0.31 (3.45)^B	0.000*
1-PP (mm)	1.25 (2.07)^A	2.18 (3.71)^A	0.61 (1.17)^A	0.121
1.NA (º)	-10.69 (8.83)^A	-1.62 (8.35)^B	-0.60 (3.58)^B	0.000*
1-NA (mm)	-2.82 (2.95)^A	-0.61 (3.03)^B	-0.21 (1.31)^B	0.001*
Mandibular Dentoalveolar Component
IMPA (º)	4.57 (9.02)^A	2.43 (5.95)^A	-0.10 (4.14)^A	0.070
1.NB (º)	5.18 (8.25)^A	3.28 (5.75)^AB	0.39 (4.36)^B	0.044*
1-NB (mm)	0.95 (1.49)^AB	1.63 (1.56)^A	0.38 (1.54)^B	0.024*
1-GoMe (mm)	0.28 (2.67)^A	0.47 (1.32)^A	1.51 (1.99)^A	0.105
Dental Relationships
Overjet (mm)	-5.64 (2.54)^A	-3.70 (2.38)^B	-0.08 (1.39)^C	0.000*
Overbite (mm)	-2.21 (1.84)^A	-2.90 (1.33)^A	-0.60 (1.90)^B	0.000*
Molar Rel.(mm)	3.81 (1.94)^A	3.42 (1.18)^A	-0.24 (1.42)^B	0.000*

Different letters indicate statistically significant differences

*Statistically significant for P<.05