• 

  Katherine O'Donnell

  Consultant in Paediatric Dentistry, Leeds Dental Institute
• 

  Hooria Olsen

  Dental Surgeon, BAPD
• 

  Christopher Orr

  BACD Past President, Clinical Lecturer, Founder/Clinical Director, Advanced Dental Clinic
• 

  Barry Oulton

  Dentist, Business Owner, Lecturer, Coach and Mentor, The Confident Dentist Academy Ltd