Call (636) 528-4868

21 Prospect Circle
Troy, MO 63379

About Us

dr-armenArmen Tumanyan, DMD
Dr. Armen Tumanyan has trained with some of the world’s best sedation dentists. He is a member of the Dental Organization for Conscious Sedation (DOCS), and he is rapidly becoming known as one of the leading O’Fallon sedation dentists. Dr. Tumanyan has extensive knowledge in sedation dentistry and provides his patients with the very best in dental care. He is also certified in Fastbraces®, an innovative orthodontic technology that can straighten your teeth in half the time of traditional braces!“I am proud to have served patients in our community. Through continuing education and state-of-the-art equipment, we are able to offer you and your family the high level of care you’re looking for. My team and I will give you a warm welcome and our ongoing commitment to your dental health.”

Dr. Tumanyan is married, has three children and two dogs. In his spare time, he enjoys playing tennis.


  • Internet Dental Alliance
  • Dental Organization for Conscious Sedation (DOCS)
  • American Academy of General Dentistry
  • American Orthodontic Society
  • Better Business Bureau


Dr. Oge

Dr. Oge attended SIUE-School of Dental Medicine where he graduated in 1999.
He is currently a Clinical Assistant Professor at SIUE Dental School in the crown and bridge department.

Dr. Oge provides gentle and comprehensive dental care in all areas of general dentistry, including, Cosmetics, Restorative, Oral Surgery, Endodontics and Periodontics.
Aaron also works with the St. Louis City/County Medical Examiner's Office as a forensic odontologist.  He is also the team dentist for the Gateway Grizzlies Frontier League baseball team.
He is very active in the community.  He provides dental screenings to the military at SAFB.  Dr Oge takes pride in speaking to area schools about dental health.
In his free time, Aaron enjoys time with his wife Colleen and their four children, Thomas, Vincent, Kelly and Maura.  He also enjoys coaching, snow and water skiing, and golf.


colleenColleen Vance – Dental Hygienist
“I love being a part of this amazing team! We all push each other to be at the top of our game every day.”

Colleen joined our team at Troy Family Dental in September 2010. She graduated from St. Louis Community College at Forest Park in 2010, and she believes that teaching prevention is her most important role. Because we care about our patient’s overall health, Colleen and our dental team also advocate proper oral hygiene to the community. Colleen is married and has two children. In her free time, she enjoys reading and being with family.


CalynCalyn Hayes – Dental Hygienist
Calyn has been working in dentistry for over 15 years, and she is very excited about how the dental field is continuously improving. She works hard to help our patients feel calm, and she strives to understand their long-term, tailored dental needs. Calyn enjoys working at our dental practice because of the closeness of our team and the comfortable, friendly, family-oriented atmosphere.





VickiVicky Overton – Dental Hygienist
Vicki believes in using her knowledge and communication skills to encourage positive dental hygiene care as an essential component of overall healthcare and preventative oral care. Through respect, understanding and patience, she can focus on prevention, comfort and quality of life. She is excited to be part of such a wonderful compassionate team that knows the importance of patient care. She is married with two teenage girls; enjoys playing volleyball, time at the lake and spending time with family and friends. She looks forward to meeting everyone!




Kirsten graduated from Forest Park Community College in 2014. She joined the team at Troy Family Dental in 2015.  Kirsten goes above and beyond to ensure all her patients achieve their dental health goals while making them feel relaxed and comfortable. With her outgoing personality she makes each patient feel right at home.

In Kirsten’s spare time she loves spending time with her daughter and being outdoors.