Here are some useful links for you relevant to dentistry:
British Dental Association: represents dentists and staff across the UK and can assisst patients: www.bda.org
General Dental Council: regulates British dentistry: www.gdc-uk.org
Care Quality Commission: another regulatory body: www.cqc.org.uk
Denplan : provider of high quality payment system to help you budget dental costs: www.denplan.co.uk
Invisalign: American company providing the superb aligner system to straighten your teeth: www.invisalign.co.uk