Table 1. Distribution of the file tip position in relation to the root perforation.

Distance from apical perforation	Smarpex		NovApex
	(n)	(%)	(n)	(%)
<-0.5 mm	1	6.6	1	6.6
-0.5 to 0.5 mm	12	80	9	60
>0.5 mm	2	13.4	5	33.4