Graham qualified from Cork University Dental School and Hospital in 2009.
He undertook two year Longitudinal Dental Foundation Training at The Edinburgh Postgraduate Dental Institute from 2009-2011 which comprised of rotations in General Dental Practice, Restorative Dentistry, Paediatric Dentistry, Oral and Maxillofacial Surgery and Community Dental Service. During this period Graham was awarded Membership of the Faculty of Dental Surgery at the Royal College of Surgeons of Edinburgh.
Following this he spent a year as an SHO in Oral and Maxillofacial Surgery in Scotland before undertaking an MSc in Endodontics at the Eastman Dental Institute in London in 2012/2013 under the tutiledge of Professor Kishor Gulabivala and Dr. Paula Ng. His research looked at the efficacy of final rinse regimens in an ex-vivo molar model.
He is now the Specialty Registrar in Restorative Dentistry at Cork University Dental School and Hospital.
His research interests are irrigation of the root canal system and the restoration of the endodontically treated tooth.