1. Dental Core Trainee, Department of Oral Surgery, King's College Hospital, Denmark Hill, London SE5 9RS, UK
2. Specialty Doctor in Oral Surgery, Department of Oral Surgery, King's College Hospital, Denmark Hill, London SE5 9RS, UK
3. Consultant in Oral Surgery, Department of Oral Surgery, King's College Hospital, Denmark Hill, London SE5 9RS, UK
4. Consultant in Restorative Dentistry, Department of Restorative Dentistry, King's College Hospital, Denmark Hill, London SE5 9RS, UK