Welcome to the website of James E. Lenahan, D.D.S., P.C.!

Dr. Megan has just joined our practice! 


 Welcome to Dr. Lenahan’s office, conveniently located in south St. Louis County, Missouri! For years, our practice has been making it our mission to give children a positive experience at the dentist. We provide quality dental care with compassion.

At Dr. Lenahan’s office, we understand that many of us do not look forward to a visit to the dentist. We strive to create an environment that makes children actually look forward to their dental visits and helps them develop trust and security each time they visit. Our goal is to give kids the confidence, tools and experience they need to maintain a healthy smile their entire lives.

Preventive Dental Care

Prevention is key to keeping your child’s smile beautiful and healthy for a lifetime. We promise to take the time necessary to educate patients on proper brushing and flossing techniques, as well as what to do in case of a dental emergency.


Sedation Dentistry

We understand that some children are anxious about visiting the dentist. We also offer
sedation dentistry to help our more apprehensive patients feel at ease during their treatment.


We encourage children to start their journey to good dental health from infancy to adolescence. We welcome those with special needs. Dr. Lenahan has many years of providing high quality care to children, and as a pediatric dentist, he has specialized training to treat the unique demands of a growing child.

Let us help make your child’s smile take flight!

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