Clinical Investigation to Assess the Efficacy of Manual Toothbrushes in the Reduction of Plaque and Gingivitis.

Inclusion Criteria: * Signed Informed Consent Form. * Male and female subjects aged 18-70 years, inclusive. * Availability for the six-week duration of the clinical research study. * Good general health based on the opinion of the study investigator * Minimum of 20 permanent natural teeth (excluding third molars). * Initial gingivitis index of at least 1.0 as determined by the use of the Loe and Silness Gingival Index. * Initial mean plaque index of at least 0.6 as determined by Navy Plaque index. Exclusion Criteria: * Presence of orthodontic appliances. * Presence of partial removable dentures. * Tumor(s) of the soft or hard tissues of the oral cavity. * Moderate and/or advanced periodontal disease, rampant caries, or any condition that the dental examiner considers exclusionary from the study. * Five or more carious lesions requiring immediate restorative treatment. * Antibiotic use any time during the one-month period prior to entry into the study. * Participation in any other clinical study or test panel within the one month prior to entry into the study. * Dental prophylaxis during the past two weeks prior to baseline examinations. * History of allergies to oral care/personal care consumer products or their ingredients. * On any prescription medicines that might interfere with the study outcome. * An existing medical condition that prohibits eating and/or drinking for periods up to 4 hours. * History of alcohol and/or drug abuse. * Self-reported pregnancy and/or lactating subjects.