Quantitative scintigraphic analysis of the apical seal in Thermafil/Topseal and RealSeal 1/Realseal filled root canals

Table 1 Mean values and SD of counts per minute and scores for each root for each time

Day	Group	n	Mean (cpm)	StDev (cpm)
D7	Ctr +	3	1 072 039	561 126.9
	Ctr -	3	95 881.0	117 789.4
	Group 1a	10	363 916	180 707.7
	Group 2b	10	533 427	414 020.6
D28	Ctr +	3	2 328 358	112 295.3
	Ctr -	3	352 275.7	340 167.6
	Group 1a	10	1 678 200	567 217.4
	Group 2b	10	2 240 518	383 356.7

Group 1: Thermafil/TopSeal; Group 2: RealSeal 1/RealSeal; Ctr +: Positive control; Ctr - : Negative control.

^aP = 0.015,

^bP = 0.036.