8 photos of royals wearing braces to mark World Oral Health Day, including Prince Harry and Princess Eugenie Friday 20 March marks World Oral Health Day and the royals are renowned for their perfect pearly whites. When the Queen visited the Royal National ENT and Eastman Dental Hospitals in London last month, she revealed she had wires as a child, telling one young patient, who was having braces fitted: "I think it's worth it, in the end." Orthodontics has come a long way since Her Majesty's childhood and adults as well as young children are having braces fitted to align their teeth. The Queen isn't the only one to have had dental wires – HELLO! takes a look at all of her family members who have had braces, including her grandchildren Prince Harry and Lady Louise Windsor. Plus there's a few European royals, who have also had dental aligners in their teenage years.