| Screening | Baseline | 12 months | 24 months | 36 months |
---|---|---|---|---|---|
Assessment for eligibility | X | Â | Â | Â | Â |
Informed consent | X | Â | Â | Â | Â |
Gingival bleeding | Â | X | Â | Â | X |
BPE score | Â | X | Â | Â | X |
Calculus | Â | X | Â | Â | X |
Pocket depth | Â | X | Â | Â | X |
QoL questionnaire (OHIP-14) | Â | X | X | X | X |
Knowledge, attitudes, beliefs questionnaire | Â | X | X | X | X |
Costs questionnaire | Â | X | Â | Â | X |
Clinician belief questionnaire | Â | X | Â | Â | X |