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 study investigator; * Presence of permanent natural anterior teeth (no veneers/crowns/restorations that may 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 scorable teeth; * Tumor(s) of the soft or hard tissues of the oral cavity; * Obvious signs of periodontal disease rampant caries, or any condition that the dental 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 that might 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 dental prophylaxis (professional dental cleaning) within thirty (30) days - prior to the start of the study; * History of allergies to oral care/personal care consumer products or their ingredients; * History of alcohol and/or drug…