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Table 5 MRI evaluation: sagittal disk position - comparison between the mean values (degree) before and after 6 months

From: Comparison of temporomandibular joint changes in Twin Block and Bionator appliance therapy: a magnetic resonance imaging study

Group Pretreatment (n?=?10) After 6 months (n?=?10) tvalue Result
Mean? ?SD (deg) Mean? ?SD (deg)
Control 11.2? ?9.9 8.6? ?10.9 ?1.00 NS
Twin Block 21.2? ?9.3 1.8? ?0.2 ?3.23 HS
Bionator 15.5? ?11.6 ?0.9? ?0.5 ?4.64 HS