From: Endoscopic Dacryocystorhinostomy (DCR): a comparative study between powered and non-powered technique
Drill
Kerrison punch
(n = 32)
(n = 34)
n
%
Intranasal synechiae
1
1.5
P = 0.53
Stent fell out
2
3
4.5
Eye/Cheek bruise
Nostril burn
0
Total
7
10.5
5
7.5