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About Us
We take the oral health of our young patients very seriously at Pediatric Dental Specialists. We understand that going to the dentist can make some children anxious, so we work to help them feel calm and comfortable during their visit. Providing a full line of affordable and advanced dental services, we will help your child maintain a healthy, beautiful smile for years to come.
Our pediatric dental office proudly serves many patients and families with locations in Billings and Miles City, MT as well as Cody, WY.
Our Philosophy
At Pediatric Dental Specialists, our goal is to eliminate the risk of dental disease and related problems for your child. This requires the cooperation of the child, parents, and the dentist. We believe that prevention of disease is far more enjoyable, less costly, and more comfortable for all concerned. Dental health also depends upon good habits, such as proper diet and regular dental visits. Our practice encourages first dental visits at the time of a child’s first birthday.
Community Involvement
Pediatric Dental Specialists believes in giving back to the community whenever we can. We are involved in a variety of great programs, including Give A Kid a Smile, YSA Soccer Sponsor, Billings Public Schools Saturday Live Sponsor, and the Cleft Palate Clinic. We also sponsor various clubs and sports in the Billings Public Schools and Billings Catholic Schools.
Our Dentists

Dr. Kelly M. Clarke
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Originally from Bismarck, ND, Dr. Clarke received his dental degree from the University Of Nebraska Medical Center in 1986. He completed a two-year residency in pediatric dentistry at the Medical University of South Carolina in Charleston. He is board-certified by the American Board of Pediatric Dentistry. He is also a part-time instructor at the University of Nebraska School of Dentistry, and has staff privileges at St. Vincent Hospital and Northern Rockies Surgery Center.
Dr. Clarke is married to his wife Janelise. He has five children, two step-children, and four grandchildren.

Dr. Mark A. Wilgus
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Dr. Wilgus and his wife Josi have three children.

Dr. Tanner D. Bennion
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Dr. Bennion enjoys the outdoors and woodworking in his spare time. He and his wife Jenny have five children who all love popsicles, running around, and living life to its fullest. Dr. Bennion is also fluent in Spanish.
Our Staff
Front Office
Iris, Office Manager
Catherine
Jennie
Deanna
Prevention
Sarah
Madison
Dental Assistants
Lora
Shannon
Nicole
Lori
Cassandra, CDA
Maria
Hear from One of Our Patients
“Camping with my family in the remote mountains of Montana, my 5-year-old grandson tripped and fell teeth first onto a rock. We could see one of his front teeth was shattered but holding together and his lip was beginning to swell. We drove to where we could get cell service and called his pediatric dentist. It was 4pm on a Saturday and we were told this was likely not an emergency, but that if needed we could take him to the ER.
I reached out to Dr. Tanner Bennion from Pediatric Dental Specialists for reassurance. After seeing a picture of his injury, Dr. Bennion felt it was best if my grandson was seen that evening, as there was concern infection may set in by Monday. We packed up and made the trek back into Billings where Dr. Bennion met us at his office at 7:45pm. The tooth was fused to another in the front, both teeth were shattered, and a complicated removal of the fractured teeth ensued. Dr. Bennion was kind, caring, and amazing with both my grandson and his mom, who may have been a bit traumatized 😊.
I’m certain Dr. Bennion didn’t get home until 9:30pm. Check-in texts came from Dr. Bennion later that night as well as Sunday morning. On behalf of our family – we are so grateful for Dr. Tanner Bennion and his passion for keeping kids whole!”
