Dr. Abdennour is a graduate of the Intercontinental University School of Dentistry 85 and Washington University School of Dental Medicine where he received the Doctor of Dental Medicine degree in 1989. He was given the outstanding clinical ability award. Following his dental degree, he attended a postgraduate general practice residency at a U.S.C. affiliated hospital in California. He practiced dentistry in California for a total of eight years. Dr Abdennour completed a three year Advanced Graduate Endodontic Program at Harvard University School of Dental Medicine, receiving his Specialty certificate in Endodontics as well as a Master in Medical Sciences in Oral Biology.

During his specialty program he also trained in Surgical Endodontics at the Karl Franz University Hospital in Austria. Upon graduation from Harvard, he was the class recipient of the Krakow award for clinical proficiency in Endodontics. Dr. Abdennour also conducted endodontic research at the Forsyth Dental institute in Boston contributing to the patent (USPTO) of an endodontic therapeutic agent. This research was sponsored by the Krakow Endodontic Fund.

Dr. Abdennour has served as the President and Chairman of two states component district dental societies and currently is the President of the Massachusetts Association of Endodontists, term expiring in 2018.

As a faculty member of Real World Endos Board of Advisors, Dr. Abdennour conducts lectures and seminars in English, French and Spanish in the United States, Canada and the caribbean on Precision-Based Endodontics.

Memberships include the American Association of Endodontists, Massachusetts Association of Endodontists, American Dental Association, Massachusetts Dental Society, Harvard Odontological Society and the American Academy of Dental Sciences.