Table 5.

Multiple comparison-post hoc analysis to test difference in ARI scores in three groups

Multiple comparison		Mean Difference (I-J)	Std. Error	P
Plier	Ultrasonic scaler	0.83	0.1707	<0.001
Plier	Laser	-0.03	0.1707	0.846
Laser	Plier	-0.83	0.1707	<0.001