Comparison of Piezosurgery and Conventional Rotary Instruments for Removal of Impacted Mandibular Third Molars: A Randomized Controlled Clinical and Radiographic Trial

Table 1

Comparison of pain sensations between study and control at different follow-up periods.

	Mean (SD)		value of paired -test
	Study	Control
After 1 day	3.60 (1.71)	6.70 (0.95)	<0.0001
After 7 days	1.10 (0.74)	3.30 (0.95)	<0.0001
After 14 days	0.10 (0.32)	1.00 (0.67)	0.001
value of paired -test	<0.0001	<0.0001

Statistically significant at .