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. 2014 Oct 1;15(1):57. doi: 10.1186/s40510-014-0057-6

Table 3.

MRI evaluation: sagittal concentricity - comparison between mean values before and after 6 months in each group

Group Pretreatment ( n= 10) After 6 months ( n= 10) t value Result
Mean ± SD (%) Mean ± SD (%)
Control 6.9 ± 5.1 6.7 ± 4.9 −0.15 NS
Twin Block 3.7 ± 2.3 18.7 ± 10.3 4.42 HS
Bionator 7.7 ± 4.4 19.1 ± 11.5 5.60 HS