Table 1 Comparison of the mean CFUs between the three disinfection methods (ANOVA).
Object | Disinfection method | Mean CFU | Standard deviation | F (df)± | p value |
|---|---|---|---|---|---|
Silicone impression (SI) | Untreated | 171,833.33 | 21,673.72 | 152.578 (2) | < 0.001* |
UV | 0.00 | 0.00 | |||
Zeta 7 spray | 41,333.33 | 2179.45 | |||
Stone cast (SC) | Untreated | 69,333.33 | 20,025.68 | 25.950 (2) | 0.001* |
UV | 0.00 | 0.00 | |||
Zeta 7 spray | 20,722.22 | 6185.41 | |||
Acrylic base (AB) | Untreated | 217,611.11 | 8866.81 | 178.686 (2) | < 0.001* |
UV | 0.00 | 0.00 | |||
Zeta 7 spray | 87,166.67 | 22,924.39 | |||
Indelible pen (IP) | Untreated | 42,777.78 | 5058.91 | 147.645 (2) | < 0.001* |
UV | 0.00 | 0.00 | |||
Zeta 7 spray | 5888.89 | 2678.79 |