As a way of saying thank you to the community, Dr. Marvin Berlin and associates hold an annual “free day” in which they provide dental work free of charge to McKinney-area residents in need. So far, over 5,000 people have been treated through this non-profit program. The doctors consider it a mission project, and no money is accepted. They enjoy the opportunity to provide much-needed care for the people who need it most right here in our own backyard.