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Table 3 Comparison of anthropometric measurements of the maxillofacial bone between the right and left sides in the experimental group (BTX-A injection in the right masseter muscle)

From: Effect of the masseter muscle injection of botulinum toxin A on the mandibular bone growth of developmental rats

Variables

Right side (BTX-A)

Left side

P value

Mean ± SD

Mean ± SD

Vertical measurement (mm)

 Ramus height I

5.09 ± 0.11

5.11 ± 0.15

NS

 Ramus height II

3.79 ± 0.18

4.04 ± 0.22

0.012*

 Ramus height III

3.68 ± 0.20

3.75 ± 0.15

0.040*

 Corpus height

2.43 ± 0.28

2.43 ± 0.28

NS

 Mandibular molar height

3.95 ± 0.12

3.89 ± 0.12

NS

Sagittal measurement

 Mandibular plane angle I (°)

114.94 ± 3.04

111.99 ± 4.09

0.006*

 Mandibular plane angle II (°)

167.42 ± 8.48

160.14 ± 7.29

0.007*

 Total mandibular length (mm)

11.51 ± 0.40

11.65 ± 0.32

NS

 Corpus length (mm)

10.37 ± 0.18

10.42 ± 0.25

NS

  1. NS not significant
  2. *P < 0.05