Denplan For Denplan patients and anyone interested in dental healthcare. Word of Mouth Providing free Dental Advice, 'Word of Mouth' is a joint service with the Dental Practice Board, the Faculty of General Dental Practitioners and the BDHF. British Dental Health Foundation A charity dedicated to raising public awareness of dental and oral health and promoting good dental health practices. totaldental.net The largest dental information resource on the web; the free public section contains an A-Z of dentistry in simple laymans' terms with pictures.