. 2024 May 30;12:159. Originally published 2023 Feb 10. [Version 3] doi: 10.12688/f1000research.129043.3

Table 2. Release of Copper ion from Copper Nickel Titanium wires at different time intervals.

Solution	Mean (ppm in microgram/liter)±SD
Solution	Week-two	Week-four	Week-six
Control Group	1.62±0.03	1.41±0.04	1.28±0.03
CHX Group	2.38±0.04	2.24±0.08	2.20±0.05
NaF Group	3.89±0.001	3.54±0.001	3.23±0.001
CHX-NaF Group	3.37±0.07	3.06±0.10	3.00±0.06
Chitosan Group	1.07±0.04	1.07±0.04	0.97±0.02
p-value	0.001 ^a	0.001 ^a	0.001 ^a

Data from five groups are expressed as mean±standard deviation (SD) (n=6). Superscript letters are significantly different by the Kruskal Wallis test (p<0.05). CHX: Chlorhexidine, CHX-NaF: Chlorhexidine-Sodium Fluoride, Chitosan: Chitosan 2%.