Groton Dental Group Groton Windham Dental Group provides the best dental care possible for you and your family through technology-driven services. As a premier resource for a comprehensive range of general and cosmetic dental services, we pride ourselves on providing the highest quality dentistry. We welcome patients of all ages to our practice. Located conveniently in both Groton and Willimantic, we're prepared to handle all of your family’s dental needs. As a highly trained and skilled dental team, we’ve earned a reputation of excellence by establishing relationships built on trust with every patient and delivering outstanding outcomes.