Evaluating the Effect of Tooth Cleaning Devices on Oral Health

Inclusion Criteria:

• are in good/excellent health;
• are 18 - 70 years old;
• have a minimum of 20 natural teeth (excluding 3rd molars);
• have sufficient test sites;
• have ≥ 20 bleeding sites;
• are willing to participate and available for participation.

Exclusion Criteria:

• have systemic diseases such as Down's syndrome, or known AIDS/HIV;
• have insulin dependant Diabetes;
• are pregnant or nursing by subject report;
• have a cardiac pacemaker
• are undergoing or require extensive dental or orthodontic treatment;
• require antibiotic treatment for dental appointments;
• have heavy deposits of calculus;
• have severe gingivitis or periodontitis;
• have extensive crown or bridge work and/or rampant decay;
• currently use bleaching trays;
• have any oral or extraoral piercing on lips or in mouth;
• have a professional prophylaxis within 4 weeks of study;
• participation in a prior study ≤ 20 days;
• employed by a oral healthcare products company or research institution.