Effect of Methotrexate Injection on Orthodontic Tooth Movement: An Experimental Study on Rats

Table 3

Mean BV/TV in the experimental and control groups.

Groups	Bone volume to total volume ratio (BV/TV %)
	Mean	SD
Negative control	74.2	3.6
Positive control	67.7	4.8
Methotrexate 0.75 mg/kg	64.7	2.6
Methotrexate 1.5 mg/kg	60.0	3.1
value‡	<0.001

‡One-way ANOVA followed by Tukey’s test. Means with the same superscript letters are not significantly different (). SD: standard deviation.