Effectiveness of Alternative Methods for Toothbrush Disinfection: An In Vitro Study

Table 3

Kruskal Wallis test for S. mutans.

Bacteria	Method	Mean	Standard deviation	Minimum	Maximum	Median	Kruskal Wallis test	𝑃 value	Statistically significant difference
S.  mutans	1% NaOCl; 50% white vinegar; 100% white vinegar; MW; UV; MCP; Control	8; 5.6 × 10^2; 0; 3.8 × 10^4; 4.2 × 10^3; 1.7 × 10^6; 4.5 × 10^8	2.5 × 10; 1.3 × 10^2; 0; 1.9 × 10^4; 8.1 × 10^3; 2.4 × 10^6; 1.8 × 10^8	0; 0; 0; 1.2 × 10^4; 0; 1.1 × 10^4; 2.2 × 10^8	8 × 10; 4 × 10^2; 0; 7.6 × 10^4; 2.7 × 10^4; 7.6 × 10^6; 7.8 × 10^8	0; 0; 0; 3.8 × 10^4; 2.2 × 10^3; 8.8 × 10^4; 4.3 × 10^8	6.1 × 10^4	0.000*	*MW and 1% NaOCl; *MW and 50% white vinegar; *MW and 100% white vinegar; *MW and UV; *MW and control; *1% NaOCl and control; *50% white vinegar and control; *100% white vinegar and control; *MW and control; *UV and control; *MCP and control

∗Statistically significant difference 𝑃<0.05.