Table 3.

Comparison of means between 3% w/w TiO2 nanoparticles and 5% w/w TiO2 nanoparticles containing GIC. Independent sample T test, * statistically significant.

Time Frame	N	1% w/w TiO2 nanoparticles	5% w/w TiO2 nanoparticles	P value
24 hours	30	0.069	0.157	0.03*
2 months	30	0.333	0.595	0.001*
4 months	30	0.274	0.469	0.02*
6 months	30	0.187	0.337	0.03*