Table 3.

The effectiveness of VHP decontamination in the environment of the oral surgery office

Place of sampling	Total number of bacteria		Reduction R [%]	Total number of fungi		Reduction R [%]
	before VHP	after VHP		before VHP	after VHP
Surfaces:	[CFU/100 cm2]			[CFU/100 cm2]
Armrest of dental chairs	5.5 × 103 ± 4.6 × 102	8.5 × 101 ± 6.1 × 100*	98.45	2.3 × 102 ± 2.0 × 102	0.0 × 100 ± 0.0 × 100*	100.00
Wooden frames	2.4 × 102 ± 5.2 × 101	4.0 × 100 ± 2.0 × 100*	98.33	5.3 × 104 ± 8.6 × 103	3.3 × 101 ± 8.6 × 100*	99.94
Medical aprons	6.2 × 102 ± 9.1 × 101	5.0 × 100 ± 2.4 × 100*	99.19	7.1 × 101 ± 6.6 × 101	0.0 × 100 ± 0.0 × 100*	100.00
Air:	[CFU/1 m3]			[CFU/1 m3]
At the door	8.8 × 102 ± 5.8 × 101	0.0 × 100 ± 0.0 × 100*	100.00	6.9 × 102 ± 1.2 × 102	0.0 × 100 ± 0.0 × 100*	100.00
In the middle of the room	7.2 × 102 ± 9.4 × 101	0.0 × 100 ± 0.0 × 100*	100.00	5.7 × 102 ± 1.1 × 102	0.0 × 100 ± 0.0 × 100*	100.00

Mean ± standard deviation; *statistically significant difference between samples before and after VHP decontamination, ANOVA at a significance level of p < 0.05