Clinical Study to Investigate a New Mouthwash in Reducing Plaque and Helping Prevent Gum Problems on Dental Implants Over a 6-month Period of Product Use

Inclusion Criteria: * Availability for the six-month duration of the clinical research study. * Good general health. * Minimum of two dental implants (2 different quadrants ), each implant must have a restoration. * Initial mucositis index of at least 1 .0 as determined by the use of the Mombelli Modified Gingival Index. * Initial plaque index of at least 1 .5 as determined by the use of the Mombelli Modified Plaque Index. * Signed Informed Consent Form. Exclusion Criteria: * Presence of orthodontic bands. * Tumor (s ) of the soft or hard tissues of the oral cavity. * Advanced periodontal disease (purulent exudate, tooth mobility, and /or extensive loss of periodontal attachment or alveolar bone ) or peri-implantitis. * 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 or drinking for periods up to 4 hours. * History of alcohol or drug abuse. * Self-reported pregnant or lactating subjects