Dr Fleming first studied diagnostic medical radiography at Charles Sturt University attaining a Diploma in Diagnostic Medical Radiography in 1981. He worked as a medical radiographer in several major Sydney hospitals while completing his Bachelor of Dental Surgery (BDS) at Sydney University in 1986. His dental practice has a strong emphasis on cosmetic dentistry, complex restorative care and oral implants. He has been surgically placing and prosthodontically restoring dental implants since 1987. He also holds a Graduate Diploma in Clinical Dentistry (Oral Implants) from Sydney University and has lectured at the University of Sydney both to the undergraduate course, as Associate Lecturer in Implantology, and as Prosthodontic Mentor for the Graduate Diploma in Clinical Dentistry (Oral Implants). Dr Fleming is a regular presenter for Sirona Australia in the integration of GALILEOS and CEREC technologies in patient diagnosis and dental implant planning and the use of precision surgical guides in dental implant placement.

Dr Hugh Fleming is the founder and director of 3DXDentist.com. 3DXDentist specializes in the education and training of dentists in 3D dental imaging technologies and the use of these technologies for the diagnosis, treatment planning and performing of 3D dental treatment procedures. 3DXDentist regularly runs Mentorship programs for clinicians wishing to train in the areas of GALILEOS and XG3D Cone Beam x-ray imaging, and the integration of CEREC, GALILEOS and SICAT technologies in the treatment planning and performance of precision guided implant surgery.