Dr. Arango attended the University of Costa Rica, graduating in 1979 with a degree of Doctor in Dental Surgery. In 1985, he began an internship in oral and maxillofacial surgery at the University of Puerto Rico, finalizing his specialty at the University of Chile in 1992.
By 1988, he completed a one month fellowship in the area of dental implantology, distraction osteogenesis, and TMJ arthroscopy with Dr. Jeffrey Moses DDS at the Pacific Research Foundation for Jaw and Facial Surgery in San Diego, California.
In 2008, he visited the A&M University College of Dentistry in Dallas, Texas, in order to enhance his personal knowledge about Orthognathic Surgery and Surgery for obstructive sleep apnoea.
Dr. Arango keeps his knowledge up to date with the lastest dentistry treatments. Since 1992 he is a professor for Hospital Surgery at the School of Dentistry at the University of Costa Rica. He is also a retired professor of the Faculty of Medicine at the UCIMED and Javeriana University, Colombia.
He is an active member of the Oral & Maxillofacial Academy of Costa Rica, International Association of Oral and Maxillofacial Surgeons, Latin-American Association of Oral & Maxillofacial Surgeons, and Oral & Maxillofacial Surgeons Association of Colombia.