Table 1.

Comparison of TiO2 release from 3% w/w nanoparticles containing GIC. * statistically significant

Time Frame	N	Mean(PPB)	SD	P value
24 hours	15	0.069	0.006
2 months	15	0.333	0.544	0.001*
4 months	15	0.274	0.001
6 months	15	0.187	0.199