Policy statements Expand The Oral Health Foundation is an independent charity with policy steered by the organisation’s industry experts the very latest peer-reviewed research. Our policy statements take a view on a particular issue in relation to oral health. Oral Health Foundation on Water Fluoridation (2018): Water fluoridation is the act of adding fluoride to the supply of drinking water [view policy | download policy]. Oral Health Foundation on Dental Amalgam (2018): Dental amalgam is a liquid mercury and metal alloy mixture used to fill cavities caused by tooth decay [view policy | download policy]. Oral Health Foundation on Tooth Whitening (2018): Tooth whitening is the procedure of lightening the natural colour of your teeth without removing any of the tooth surface [view policy | download policy]. More information: If you would like any help, advice or further clarification on the above issues, or anything about oral health and hygiene, contact our Dental Helpline. The Dental Helpline is staff by fully-qualified dental professionals and is available by telephone on +44 (0)1788 539780, by email at [email protected], or by filling in an enquiry form.