. 2013 Jul-Aug;21(4):327–334. doi: 10.1590/1679-775720130010

Table 2.

Mean* (standard deviation) of fluoride release in ppm of the bonding materials (n=6) during the 15 time intervals

F-	1 h	1 d	2 d	3 d	4 d	5 d	6 d	7 d	8 d	9 d	10 d	11 d	12d	13 d	14 d
XT	0.007^C	0.004^C	0.001^C	0.000^C	0.002^C	0.001^C	0.001^C	0.001^C	0.002^C	0.002^C	0.002^B	0.002^C	0.001^C	0.001^C	0.002^C
	(0.005)	(0.002)	(0.001)	(0.000)	(0.001)	(0.001)	(0.000)	(0.002)	(0.001)	(0.002)	(0.002)	(0.001)	(0.001)	(0.001)	(0.001)
PLUS	0.087^B	1.007^B	0.628^B	0.465^B	0.440^B	0.428^B	0.424^B	0.446^B	0.448^B	0.618^B	0.609ª	0.583^B	0.502^B	0.479^B	0.454^B
	(0.029)	(0.420)	(0.750)	(0.876)	(0.032)	(0.024)	(0.058)	(0.187)	(0.163)	(0.105)	(0.106)	(0.097)	(0.070)	(0.089)	(0.077)
FUJI	0.267ª	2.564ª	1.276ª	1.129ª	1.031ª	1.106ª	0.839ª	0.829ª	0.938ª	0.908ª	0.691ª	0.780ª	0.632ª	0.634ª	0.845ª
	(0.087)	(0.821)	(0.293)	(0.309)	(0.193)	(0.260)	(0.152)	(0.221)	(0.190)	(0.125)	(0.148)	(0.094)	(0.128)	(0.090)	(0.121)

* Means followed by different letters differ statistically at the level of significance of 0.05 (comparison in column for the same time analyzed, being A>B>C).