Committed to Helping You Achieve Optimal Dental Health

Complete Orthodontic Treatment in as Little as 6 months Complete Orthodontic Treatment in as Little as 6 months

Ohana Dental Clinic Ohana Dental Clinic

Bowmanville family dentist

Dr. Guan is a Bowmanville family dentist with more than 15 years’ experience in family dentistry. He started up his own dental clinic in 2004. We are formerly known as Mearns Avenue Dental Clinic, serving Bowmanville for over 11 years. We have recently moved to our new location and changed from the previous location specific name to this new name.

In Hawaiian, Ohana means family and here at Ohana Dental Clinic, we strive to create a homey ambience for your comfort. We have a very friendly, easy-going staff, we listen to your dental needs and we recommend treatments as we would to our own family.

We are a family dental clinic in Bowmanville committed to providing comprehensive and high-quality dental care in a gentle caring manner. We welcome you to be a part of our dental family.

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Why Choose Us

Friendly and informative Doctor and staff


Gentle quality dental care


Your concerns are important to us - we listen


Great with kids


Same day emergency


Evening and weekend hours


Our Services

dental emergency

cosmetic dentistry

Nitrous Oxide Sedation



dental braces

Exam/Consult/Treatment Plan


Root Canals


Whitening (1hr/home care)


Our Team

We pride ourselves in providing each of our patients with a friendly, personalized and gentle experience. Our knowledgeable and supportive staff will help you and your family maintain a lifetime of healthy smiles.

Dr. Guan grew up as a teenager in North York. He received his B.Sc. and M.Sc. in Pharmacology from the University of Toronto, and D.D.S from the University of Western Ontario in 2001. He worked in Vaughan, prior to setting up his own practice in Bowmanville in 2004. He believes in helping patients achieve beautiful smiles with gentle care. He regularly attends continuing education seminars to stay current with new technology and techniques in the dental field. He is a member of the Ontario Dental Association, York Region Dental Society and has been an active member of the International Association of Orthodontics since 2003.

Dr. Guan enjoys family life, especially spending time with his two boys. He is also an avid photographer and received his professional photography certificate from the New York Institute of Photography.
Cristina is our Dental Hygienist. She completed her Dental Assisting certification in Winnipeg, Manitoba and later moved to Toronto, Ontario to further her education becoming a Dental Hygienist graduating from Toronto College of Dental Hygiene with honors. She is both friendly and knowledgable and happy to answer all of your questions and concerns. Cristina recently moved to Courtice, Ontario and in her spare time enjoys working out at the gym and cooking!
office manager
Nirmala is our office manager who has been with the practice since opening in 2004. She graduated from George Brown College as a dental assistant and has over 15 years of dental experience. She has been working with Dr. Guan for the last 11 years. She is very knowledgeable and happy to help you co-ordinate your treatment and dental insurance.

She enjoys spending time with her family and friends, trying new restaurants and catching a movie.

office assistant
Shawna is our office assistant. As a level II dental assistant, she helps create a great experience for you and your family. As a mother, she loves interacting with children to make their visit comfortable and fun.

When not working, Shawna enjoys spending time with her daughter doing various activities, among their favourites, fishing, soccer, skating and movies.
office assistant
Misty-Dawn is our office assistant. She is a new member of our dental team. She enjoys interacting with patients. Misty-Dawn looks forward to the variety of dental procedure in each day!

When Misty is not working she enjoys spending time with her family and friends.

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Our Office

Contact Us

173 King St E Bowmanville,
ON L1C 1N9