Table 1 Participant inclusion and exclusion criteria
• Inclusion Criteria | • Male or Female regular/routine attenders at dental practice |
|  | • History of previous examinations and scale and polish |
|  | • Aged 18 – 60 years |
|  | • Good general health |
|  | • 20+ permanent teeth (including crowned teeth) |
• Exclusion Criteria | • BPE code of 3 or more in one or more sextants and/or requirement for more extensive periodontal therapy |
|  | • More than 3 actively carious teeth |
|  | • Requirement for prophylactic (pre-scaling) antibiotic cover |
|  | • Removable prosthesis or orthodontic appliance present |
|  | • Existing systemic condition which poses a risk factor for periodontal health e.g. diabetes mellitus |
|  | • Medication which is known to affect the appearance or health of the periodontal tissues |
|  | • Immunosuppressant state |
|  | • Pregnancy |
|  | • Involvement in any concurrent trial |