Table 2.

Comparison of TiO2 release from 5% w/w nanoparticles containing GIC. Repeated measures ANOVA, * statistically significant, PPB: Parts Per Billion

Time Frame	N	Mean(PPB)	SD	P value
24 hours	15	0.157	0.013
2 months	15	0.595	0.022	0.001*
4 months	15	0.469	0.016
6 months	15	0.337	0.019