Our Staff


All our professionals at Owosso Dental Center maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Timothy S. Glowniak D.D.S.

dr. timDr. Tim graduated from University of Detroit in 1992. He worked as an associate dentist until buying Owosso Dental Center in 1996. He moved to Owosso with his family and made the Shiawassee County area his home. Dr. Tim and his wife Melinda live on a small farm and have 2 daughters Tara and Clare.

In 2000 Dr. Tim moved his office to it's current location at 1083 East M-21 (Main St.). This move provided Dr. Tim with much more space, better location and ample parking for his patients.

Dr. Tim attends continuing education courses on a regular basis. Always wanting to stay up to date of the most recent information for the care of his patients.

Dr. Tim is a member of the American Dental Association, Michigan Dental Association, Academy of General Dentistry, Michigan Academy of General Dentistry, Shiawassee Dental Society, Invisalign Certified.


Smiles and efficiency will greet you when calling or entering Owosso Dental Center.  Patti Howard and Carrie Moe are our office team and their first concern is YOU.  They will help you with all your dental insurance, scheduling and financial questions. 


Our dental hygiene team is comprised of  Heather Gunsell, RDH and Courtney Sleeseman, RDH . They are excellent patient care providers.  Heather and Courtney attend continuing education courses so they can provide the finest patient care for YOU. Their years of experience combined with their professional education enable them to deliver up to date treatment and care. Our hygiene team will put a smile on YOUR face!


Dr. Tim works side by side with caring professional and patient care oriented dental assistants. Our dental assistant team is comprised of  Renee Cameron, RDA and Autumn Rogers.  When coming to an appointment with Dr. Tim our dental assistants are a very important part of that visit. Not only does Renee and Autumn  work directly with Dr. Tim to deliver the finest care, they also work directly with YOU to deliver the finest experience in dental care.