Welcome to Ottawa Children's Dentistry Welcome to Ottawa Children’s Dentistry, located in Ottawa, IL and serving as the only pediatric dental office in the Illinois Valley for over 40 years. All infants, children, and adolescents, as well as individuals with special needs can benefit from seeing a pediatric dentist for their dental healthcare, just as they are better off seeing a pediatrician for their general health. We provide pediatric dental care that helps your child develop a healthy, beautiful smile and the ability to care for it properly. It is our mission to create the best dental experience for you and your children.