Maxillofacial Plastic and Reconstructive Surgery

Table 1 Summary of results

From: Effects of a botulinum toxin type A injection on the masseter muscle: An animal model study

		Pre-injection	Post-injection	P-value
Group 1	Peak voltage	6.42 ± 0.50 mV	4.73 ± 1.25 mV	0.044
Group 1	RMS	0.28 ± 0.07 mV	0.12 ± 0.05 mV	0.002
Group 2	Peak voltage	6.49 ± 0.63 mV	2.70 ± 0.98 mV	<0.001
Group 2	RMS	0.31 ± 0.15 mV	0.11 ± 0.10 mV	0.001

RMS: root mean square, Group 1: BTX-A 5 unit treated group, Group 2: BTX-A 20 unit treated group.

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