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Table 1 The cortical bone thickness and the cross-sectional areas of masseter muscle after BTX-A injection

From: S100 and p65 expression are increased in the masseter muscle after botulinum toxin-A injection

Group

Cortical bone thickness

Cross-sectional area

Average (mm)

P value

Average (μm2)

P value

Saline-treated

0.18 ± 0.05

621.68 ± 87.74

5-U BTX-A-treated

0.15 ± 0.05

NS

495.42 ± 110.15

0.037

10-U BTX-A-treated

0.10 ± 0.03

NS

263.05 ± 115.31

<0.001

  1. The P value was calculated by post hoc test and compared with the saline-treated group
  2. BTX-A botulinum toxin-A