Meet the Doctors

Meet the Doctors

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.
In 2016, Dr. Guerreiro moved to the USA where he completed a 3-years MSc in Endodontics program at the University of Michigan and received The Philip W Cohen Memorial Scholarship, an award given to the graduate Endodontic Resident who most demonstrates dedication to Endodontics and commitment to professional excellence. He is a fellow of the Royal College of Dentists of Canada, and licensed as an Endodontic Specialist by the Royal College of Dental Surgeons of Ontario.  He is also a member of the Ontario Dental Association. Dr Guerreiro is the author of several articles in Endodontic journals and books and has been lecturing and giving hands-on courses worldwide.He currently resides in Hamilton with his wife and two sons, and enjoys spending time with family and friends, camping and fishing.

Over 30 Years in Practice!


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