Meet Our Dentists

At our Sexsmith dentist office, the South 40 Dental dentists are committed to your oral health. If you live or work in Sexsmith, Alberta our dentists can help you maintain a healthy smile!


Dr. McClenaghan, Sexsmith Dentist

Dr. Todd McClenaghan | Principal Dentist

Dr. Todd McClenaghan was born in Northern Alberta and after being away for a number of years, he decided to return and make Grande Prairie his home. He is married to his beautiful wife Ashley, has two sons, Eli & Bentz, and a daughter named Tatum. As a general dentist, he has a passion for helping people keep their teeth healthy and to help restore beauty and function to those who have lost their smiles. "I feel very strongly about providing the best value to the patient and meeting their expectation". 

Months after completing high school, he spent two years in Queensland, Australia to serve a two year church mission. Upon his return, he earned his undergraduate degree with a Bachelor of Science, majoring in Exercise Science at the University of Alberta and the University of Lethbridge. Dr. Todd completed his dental training at Midwestern University (Phoenix, AZ). He has a passion for Comprehensive Esthetic Dentistry including  Invisalign®, veneers, and same-day crowns.


Dr. Peterson, Sexsmith Dentist

Dr. Fraser Peterson | DDS

Dr. Fraser Paterson grew up in a  small farming community in Southern Alberta. After graduating high school, he attended Brigham Young University in Utah for a year followed by Grant MacEwan University for 3 years.

Dr. Fraser attended the University of Alberta where he completed the dentistry program. "I wanted to join a practice where I could be part of a team which provides comfortable dental care to patients in a relaxed and professional environment. I enjoy the ability to help patients achieve their aesthetic and oral health goals. South 40 Dental was a perfect fit". Thus, his wife Whittney and his three children decided to make the move to Grande Prairie. 


Dr. cantlon, Sexsmith Dentist

Chris Cantlon | DDS

Dr. Chris Cantlon was raised in Southern Ontario and lived in the farmhouse which was built and owned by his great grandparents. From a young age, he as always had a passion to help those around him. After graduating from high school, he volunteered in a humanitarian church mission throughout Romania and Moldova.  He learned to speak Romanian fluently while teaching English classes and volunteering at schools, hospitals and orphanages. Upon his return home from Eastern Europe, he received his Bachelor’s Science in Nursing. Dr. Chris completed his dental training at Midwestern University in Phoenix, Arizona. 

Dr. Chris met his wife, Amanda, while completing his undergraduate degree and are the proud parents of their son Beckham. Amanda is a dental hygienist and they both share a passion for oral health and treating patients as family. Dr. Chris enjoys caring for patients of all ages and building lasting friendships. "My nursing background has instilled within me a unique interest in understanding the relationship between oral health, dental care and general health". Dr. Chris ensures to create a personalized dental plan that provides each patient with a way to maintain strong teeth, healthy gums and a healthy smile.

Dr. Turgeon, Sexsmith Dentist

Greg Turgeon | DDS

Dr. Greg Turgeon was born and raised just outside of Edmonton, Alberta. Dr. Greg grew up on a farm, which has been a part of his family for over 120 years! After a two-year service mission in South America, he attended the University of Alberta, where he received his Doctor of Dental Surgery degree. Since then, he has returned back to South America to help with dental services.

As one of the dentists of South 40 Dental, Dr. Greg loves his amazing dental team and all the great patients. "I am passionate about helping people have a better understanding of their oral health". Outside of the office, he enjoys spending time with his wife, Jordan, and his three kids, Scarlett, Oliver, and Theo. He volunteers his time as a local leader at his church organization each week. Also, Dr. Greg loves being adventurous! He enjoys activities such as wake surfing and snowboarding.


Dr. Nazemi, Sexsmith Dentist

Amir Nazemi | DDS

Dr. Amir Nazemi was born in Tehran. His family moved to Vancouver when he was 9 years old. Dr. Amir attended Simon Fraser University in 2011 and attained his Bachelor’s of Science with a major in Chemistry. He was always intrigued by science, so he continued doing research at 4D Labs at Simon Fraser University for two years. He completed dental school and attained his DMD in 2017.

Dr. Amir became a dentist because he enjoys the social aspect of communicating with his patients and enjoys helping people in need. "I really love dentistry and I hope I can transfer some of that passion to each patient I meet".

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