From: Evaluation of the levels of pain and discomfort of piezocision-assisted flapless corticotomy when treating severely crowded lower anterior teeth: a single-center, randomized controlled clinical trial
Group
Gender n (%)
P-valuea
Mean Age (SD)
Min. Age
Max. Age
P-valueb
Control
Male 7 (43.75%)
0.531
21.27 (1.87)
18
24
0.092
Female 9 (56.25%)
Experimental
Male 6 (37.5%)
20.86 (1.98)
17
23
Female10 (62.5%)
All sample
32 (100%)
21.03 (1.96)