Table 2.

Comparison of mean pain scores before and after orthodontic adjustments

Adjustment session	Mean difference	Standard deviation	P
1	2.7	0.9	<0.001
2	2.7	0.8	<0.001
3	2.6	0.7	<0.001
4	2.3	0.6	<0.001
5	2.3	0.9	<0.001