Next Science Antimicrobial Mouth Rinse Study

Inclusion Criteria: * Be between the ages of 18 and 60 * Provide written informed consent prior to participation and be given a signed copy of the informed consent form (ICF). * Be in good general health as determined by the investigator/designee based on a review of the Medical history/update for participation in the study; * Have at least 20 gradable teeth; * Have 10 or more bleeding sites at Baseline Exclusion Criteria: * Known allergies or sensitivity to oral rinse products, especially those containing cetylpyridinium chloride (CPC), sodium hydroxide or potassium dihydrogen phosphate. * Severe periodontal disease, as characterized by purulent exudate, generalized mobility, and/or severe recession. * Active treatment for periodontitis. * Braces * Diabetes * Antibiotic use within three months of the Baseline, Visit 1. * Pregnancy * Any diseases or conditions that could be expected to interfere with the subject safely completing the study. Continuance Criteria Subjects may be excluded from the study or the analysis due to: * Use of antibiotics any time during the study; * Use of any non-study oral hygiene products during the study; * A non-study dental prophylaxis or other elective dentistry during the study