Konstantinos Mantalenakis graduated from the Athens School of Dentistry. He received the specialty of Oral and Maxillofacial Surgeon from the Athens School of Dentistry. He trained in Maxillofacial Surgery at Tufts University Boston USA. He completed his PhD thesis at the Department of Dentistry of the University of Athens, Department of Oral Pathology and Surgery.

Since 1991 he has been involved in implantology with postgraduate training in recognized centers abroad (Gothenburg, Sweden). Author of the chapter on Lasers in Maxillofacial Surgery in Modern Oral and Maxillofacial Surgery. Master Degree Certificate from the University of Vienna in Laser. He is an important member of Greek and Foreign Scientific Societies.

He has participated as an invited speaker and trainer in conferences in Greece and abroad on topics such as the use of lasers in oral surgery, autologous platelet agents in oral surgery, direct loading of implants, etc. KOL of BTI Biotechnology Institute.

Since 1981 he has been practicing his free profession with emphasis on Maxillofacial Surgery and Implantology, while he continues his continuous training in Greece and abroad.