Welcome Welcome to the pediatric dental website of Children's Dentistry of Trappe in Collegeville, Pa. Dr. Eric S. Hans is pediatric dentist who, along with our staff, provide specialized dentistry for children and adolescents in a child-friendly environment. As pediatric dentists, Dr. Hans give special attention to preventive care, to ensure each child will have a healthy smile that will last a lifetime! Dr. Eric S. Hans, D.M.D. Dr. Hans graduated from the University Of Pennsylvania School Of Dental Medicine then completed a residency in general dentistry at the Peninsula Hospital Center in New York City. There Dr. Hans excelled providing comprehensive dental care for both children and adults.