Use Corsodyl Gum Problem Mouthwash Fresh Mint as an aid in the treatment and prevention of gum disease, the maintenance of oral hygiene and reduction of dental plaque. Corsodyl Gum Problem Mouthwash Fresh Mint aids in the treatment and prevention of gingivitis, the maintenance of oral hygiene, inhibition of dental plaque. It can also be used for use in post-periodontal surgery regimes to promote gingival healing. Corsodyl can be useful in aphthous ulceration and oral candidal infections.