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Table 1 Comparison of the anthropometric measurement of the maxillofacial bone in control and experimental group

From: Botulinum toxin A injection into the anterior belly of the digastric muscle increased the posterior width of the maxillary arch in developing rats

Variables Control Digastric P value
Mean ± SD Mean ± SD
Vertical measurement (mm)
 Ramus height I 5.44 ± 0.17 5.42 ± 0.18 0.872
 Ramus height II 4.09 ± 0.22 3.99 ± 0.20 0.480
 Ramus height III 3.87 ± 0.20 3.91 ± 0.16 0.754
 Corpus height 2.11 ± 0.33 2.25 ± 0.15 0.283
Sagittal measurement
 Mandibular plane angle I (degree) 107.72 ± 2.20 108.12 ± 2.92 0.791
 Mandibular plane angle II (degree) 154.26 ± 4.27 158.17 ± 7.83 0.266
 Total mandibular length (mm) 11.50 ± 0.21 11.59 ± 0.30 0.524
 Corpus length (mm) 9.91 ± 0.84 10.60 ± 0.38 0.142
Transverse measurement (mm)
 Zygomatic arch width 12.55 ± 0.21 12.10 ± 0.30 0.025*
 Maxillary point (key ridge) width 5.04 ± 0.09 5.95 ± 0.69 0.020*
 Mandibular molar width 4.46 ± 0.13 4.40 ± 0.22 0.600
 Bicondylar width 10.43 ± 0.14 10.25 ± 0.07 0.027*
 Bigonial mandibular width 9.76 ± 0.41 9.29 ± 0.26 0.068
  1. (*P < 0.05)