Table 1
Degree of Microbial Contamination according to Duration of Toothbrush Use
|
1 month (n=15) |
2 months (n=15) |
3 months (n=15) |
p-value |
| No. of contaminated toothbrushes |
|
|
|
| General bacteria |
13 (86.7) |
14 (93.3) |
15 (100) |
0.343 |
| Coliform bacteria |
11 (73.3) |
11 (73.3) |
13 (86.7) |
0.020 |
| S. aureus |
7 (46.7) |
9 (60.0) |
13 (86.7) |
0.066 |
| Microbial contamination (CFU/ml) |
|
|
| General bacteria |
2,489.23±617.12 |
5,096.54±7,166.96 |
5,028.67±4,666.84 |
0.311 |
| Coliform bacteria |
201.54±720.65 |
561.54±1,146.39 |
874.00±1,507.88 |
0.340 |
| S. aureus |
36.15±79.97 |
504.23±1,506.81 |
2,386.67±3,878.36 |
0.040 |
| p-value |
0.000 |
0.018 |
0.012 |
|
Values are presented as n (%) or mean±standard deviation.
S. aureus: Staphylococcus aureus.
