Efficacy of Manual Toothbrushes in Removing Tooth Stains

Inclusion Criteria:

• Signed Informed Consent Form;

• Male and female subjects, aged 18-70, inclusive;

• Good general health and good oral health based on the opinion of the studyinvestigator;

• Presence of permanent natural anterior teeth (no veneers/crowns/restorations thatmay interfere with this study scoring procedures);

• A minimum composite mean of 1.5 ≥ determined by the Lobene Tooth Stain Index;

• Available for the duration of the study;

• Clinical evidence of a tendency to form extrinsic stains on anterior teeth.

Exclusion Criteria:

• Presence of orthodontic appliances/retainers involving scorable teeth;

• Presence of partial removable/fixed dentures and/or restorations involving scorableteeth;

• Tumor(s) of the soft or hard tissues of the oral cavity;

• Obvious signs of periodontal disease rampant caries, or any condition that thedental examiner considers exclusionary from the study;

• Five or more carious lesions requiring immediate care;

• Use of antibiotics, stain-inducing medications, and/or on any prescription thatmight interfere with the study outcome;

• Concurrent participation in another clinical study;

• Self-reported pregnancy and/or lactating women;

• Have used professional whitening product within one (1) year or had a dentalprophylaxis (professional dental cleaning) within thirty (30) days - prior to thestart of the study;

• History of allergies to oral care/personal care consumer products or theiringredients;

• History of alcohol and/or drug abuse.