From: Effect of a 980-nm diode laser on post-operative pain after endodontic treatment in teeth with apical periodontitis: a randomized clinical trial
Control
Laser
p
Age Mean ± SD
32.07 ± 10.54
34.43 ± 11.04
0.399a
Sex n(%)
Male
10 (33.3)
1.000b
Female
20 (66.7)