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

Table 2

Kruskal Wallis test for L. rhamnosus.

Bacteria	Method	Mean	Standard deviation	Minimum	Maximum	Median	Kruskal Wallis test	𝑃 value	Statistically significant difference
L.  rhamnosus	1% NaOCl; 50% white vinegar; 100% white vinegar; MW; UV; MCP; Control	3.2×10^4; 5.5×10^5; 1.7×10^4; 2×10^3; 3.4×10^6; 8.2×10^6; 1×10^8	4.6×10^4; 5.7×10^5; 1.9×10^4; 5.2×10^3; 2.2×10^4; 1.9×10^6; 6.8×10^7	10; 10; 1; 1; 1.2×10^6; 5.6×10^5; 2.2×10^7	1.2×10^5; 1.2×10^6; 6.4×10^4; 1.7×10^4; 8.8×10^6; 1.2×10^7; 1.9×10^8	4.5×10^3; 4.1×10^5; 1.6×10^4; 5.2×10^2; 2.9×10^6; 8.2×10^6; 9×10^7	5.9×10^4	0.000*	*UV and 1% NaOCl; *UV and 50% white vinegar; *UV and MW; *MCP and 1% NaOCl; *MCP and 50% white vinegar; *MCP and 100% white vinegar; *MCP and MW; *MCP and UV; *MCP and control; *1% NaOCl and control; *50% white vinegar and control; *100% white vinegar and control; *MW and Control; *UV and Control

∗Statistically significant difference 𝑃<0.05.