Policy statements 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]. Manage Cookie Preferences