Intensity (cfu/ml) | Tally (this study) (n/year) | Prevalence (from percentage) | Duration (min) 10 | Cumulative exposure | |
Prophylaxis procedures | |||||
Scaling | 2.1623 | 0.13 | 0.423 | 15 | 1.685 |
Single extraction primary tooth | 0.2320 | 0.04 | 0.4320 | 15 | 0.059 |
Single extraction permanent tooth | 1.1225 | 0.06 | 0.6825 | 15 | 0.685 |
Multiple extractions—primary and permanent | 12.7720 | 0.53 | 0.5120 | 15 | 51.775 |
Mucoperiosteal surgery | 63.020 | 0.05 | 0.3920 | 15 | 18.428 |
Non-prophylaxis procedures | |||||
Dental examination | 0.2823 | 2.80 | 0.1723 | 15 | 1.999 |
Polishing teeth | 5.4723 | 0.80 | 0.2523 | 15 | 16.410 |
Local anaesthetic infiltration | 2-1503.6023 | 0.57 | 0.1623 | 15 | 4.925 |
Rubber dam placement with clamps | 196221 | 0.90 | 0.3121 | 15 | 8210.970 |
Slow drill | 0.3121 | 1.78 | 0.1221 | 15 | 0.993 |
Fast drill | 1.921 | 1.67 | 0.0421 | 15 | 1.904 |
Matrix band placement | 4.821 | 0.12 | 0.3221 | 15 | 2.7648 |
↵2-150 No data on published studies available. To preserve the mathematical calculation, the pre-procedure or baseline value from a recent unpublished study on children has been substituted.
Prophylaxis procedures v non-prophylaxis procedures: Mann-Whitney U test, p = 0.4649 (NS).
Superscripts are references; cfu, colony forming units.