Central Dental on Harley Street Dr. Martin Delahaye's dental practice in Harley Street offers one of the finest treatment centres with the very latest diagnostic equipment to ensure that your dental needs are addressed quickly and accurately. The fully-integrated dental practice Central Dental offer a comprehensive array of cosmetic dentistry, dentures, orthodontics, root canal treatment and diagnostics. Hypnosis At Central Dental we use hypnosis in out practice for one reason only, which is to allow you to relax! Many people find a visit to the dentist to be an anxious time; if you feel that you would benefit from a caring team of individuals who will understand your problems, then arrange a visit with us.