All American Dental

Meet the Team at All American Dental

‚ÄčAll American Dental – United We Smile

At All American Dental, Dr. Wietholder and the staff take pride in providing high-quality, comprehensive dental care to your entire family. Each person that walks in the door is treated with the upmost respect. We are a united team in helping your smile shine.


Dr. John Wietholder

Dr. John Wietholder and his wife Trisha grew up in west-central Illinois, near Quincy.  They were married in 2005 and have two children, Lucas (12) and Ellie (9).

Dr. Wietholder received his bachelor’s degree from Quincy University, then enlisted in the U.S. Army. While serving in the Army, Dr. Wietholder obtained his master’s degree.  Shortly thereafter, he attended dental school at Southern Illinois University School of Dental Medicine, graduating Cum Laude in 2011. Dr. Wietholder then completed a one-year residency in general dentistry with the Army at Fort Campbell, Kentucky. He deployed to both Iraq and Afghanistan and completed his active duty service recently after 10 years.  He continues to serve in the U.S. Army Reserves.

During his dental training, Dr. Wietholder received additional education in dental implants, orthodontics (braces), wisdom teeth, and dental sleep medicine to treat obstructive sleep apnea.

His son, Lucas, enjoys hunting and playing sports, especially baseball. Ellie, his daughter, likes art and gymnastics. When Dr. Wietholder is not busy with his children’s activities, he enjoys hunting, fishing, and St. Louis Cardinal’s baseball. 

Dr. Wietholder is a member of the Knights of Columbus, Columbia Area Dental Society, and Academy of General Dentistry.

Trisha Wietholder

Practice Manager

Trisha is married to Dr Wietholder. They have two children, Lucas and Ellie. Mrs. Wietholder graduated from Illinois State University in 2003 with a BS in Marketing and later from Fayetteville State University in North Carolina with her K-6 Elementary Education certification in 2006.

Trisha is the practice manager for the office. She markets the practice, performs accounting duties and fills in at the front desk when needed. Mrs. Wietholder is also a member of Rocke Bridge Elementary PTA, Women’s Network through Columbia Chamber of Commerce and numerous other organizations.

When she is not shuttling kids to and from practice and events, she enjoys golf, sewing, volunteering, and reading a good book.

Carman Rowan

Dental Assistant/Administrative Assistant

Carman has 34 years of experience in dentistry. She came from a military family and was very fortunate to live in several places. She was born in Hawaii and lived in Alaska and Germany, to name a few. Centralia, MO is where she calls home today.

Family time is important with two adult children and six grandchildren. Carman spends her spare time with her grandchildren, making special memories and gardening.

Tara Rentel

Dental Hygienist

Tara has over seven years of experience as a hygienist and previous experience as a dental assistant. Tara has resided in Prairie Home, MO her entire life.

Tara enjoys spending time with her 2 kids.  They enjoy movies, fishing, hunting, traveling, basically anything they can get into outdoors.

Melissa Timmons

Expanded Functions Dental Assistant

Melissa has been in the dental field for 16 years and just recently completed the Expanded Function Restorative II course.

Melissa has lived several places including Oklahoma, Arkansas, Illinois, Virginia, and Puerto Rico. Now she considers mid Missouri home. Melissa has 2 grandbabies, a girl and a boy.

In her spare time, Melissa can be found cuddling her grandbabies and enjoying time with family and friends.

Claira Harmon

Dental Assistant

Claira is a graduate from Dakota County Technical College in MN in 2014. Before joining our team, Claira worked as a pediatric assistant for 3 years.

Claira is a Midwest Girl, she was born in Illinois, lived in Missouri and Minnesota, before landing in Hallsville, MO in 2014.  She recently got married to Kaleb and they have an adorable puppy Jolie.

You can find her doing anything outdoors, going on motorcycle rides with Kaleb, cooking and cheering on the MIZZOU Tigers!



Allison Collier

Dental Assistant

Allison has been a dental assistant for a little over a year.  She was born in Odessa Missouri and relocated to Jefferson City 2 years ago with her boyfriend Michael. They have a new puppy, Zoey. In her spare time, she enjoys playing slow pitch softball, watching the Kansas City Chiefs, hanging out at the lake and visiting family and friends back home.


A Healthy smile is just a click away.
Very Professional

People were great, very professional and my teeth turned out great. -Krista

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