Meet the Doctors

Meet the Doctors

Dr. Yosef Nahmias, D.D.S., M.Sc.


Dr. Yosef Nahmias was born and raised in Mexico City. After he had graduated from the Universidad Tecnologica de Mexico, School of Dentistry, in 1980 with a degree in dentistry, he decided to advance his education and chose endodontics as his specialty.

Dr. Ali Fatemi, D.D.S., M.Sc.


Dr. Ali Fatemi graduated in 2003 from Tabriz University in Iran and also completed his 3 year Endodontic Residency there in 2005. After graduation in 2008, he had a successful endodontic practice for 7 years. In 2014 he passed the equivalency exams of Canada for general dentistry.

Dr. Diogo Guerreiro, D.D.S., M.Sc.


Dr. Guerreiro graduated from Instituto Superior de Ciências da Saúde-Sul, Portugal, in 2001. He obtained a Diploma in Endodontics by the Faculty of Dentistry at the University of Valência, Spain, in 2002 and completed his training in Endodontics at the University of Santiago de Compostela where he completed a Masters degree program in 2007. From 2007 to 2016 he owned a private practice dedicated to Microscopic Endodontics in Portugal and served as Assistant Professor at the specialty program in Endodontics at the Faculty of Dentistry – University of Lisbon.

Contact our office so we can help you schedule your appointment.


1 (800) 361-7203

Fax: 905-849-8428

Available from 7:30 AM – 5:00 PM

1525 Cornwall Road, Unit 21
Oakville, ON L6J 0B2