The American Dental Association tasked Oncall with making a notoriously grim topic fun for kids: the visit to the dentist's office.  Oncall developed "Visit the Dentist with Marty" to familiarize children with the process of a dental check-up and add a level of comfort even in the dentist's office.  The main character, Marty, allows the target audience of children aged 3-8 years old to join him during his trip to the dentist, therefore alleviating much of the anxiety and answering most questions children have prior to their initial dental visits. Dental practitioners, parents, and children appreciated the value of instructional entertainment. The game can be played at American Dental Association’s website, at www.ada.org.