Table 5.

Calcium ion dissolution at day 3.

Varnish	Mean calcium ion concentration (mg/mL)	SD	Median	Range	Kruskal-Wallis	P value	Sig.
Control	186.1a	±0.9	186.0	185–187	78.45	<0.001⁎⁎	HS
NaF	86.7b	±0.8	86.8	85.5–88
CS-NPS	185.5c,a	±2.0	184.8	183–189
CSF-NPS	92.7d	±1.6	92.8	90–95
P	186.4a,c	±4.9	185.5	180–195
PF	179.1e	±3.7	178.3	176–189
M	172.2f	±14.6	174.0	150–193
MF	95.1d	±3.5	95.5	90–100
MFD	122.7g	±5.5	122.5	115–130

Kruskal-Wallis Test. Means with same superscript letters are not statistically significant at P ≤ 0.05.

^**HS: Highly significant.