1) As an aid to maintaining oral hygiene. 2) As an aid in the treatment and prevention of gingivitis. 3) Inhibition of formation of dental plaque. 4) For use in aphtous ulceration and oral candidal infections (e.g., denture stomatitis and thrush). 5) For use in a post- periodontal surgery or treatment regimen to promote gingival healing. 6) As an adjunct to fluoride in the prevention of dental caries in high risk patients.