CONNECTION Dental CONNECTION Dental is one of the largest dental networks in the nation, with more than 30,000 dentists practicing in more than 45,000 office locations. The network includes providers in all 50 states. If you would like to contact client services call 877-277-6872 or use the web tools below: Find a CONNECTION Dental Dentist by name or geographic area. Print a CONNECTION Dental Directory for the state you live in. Nominate a Dentist. We will invite your dentist to join our network.