Delta Dental Plan of Colorado provides comprehensive dental benefit services in the state of Colorado and throughout the United States. It is a nonprofit dental benefits organization with a mission to improve the oral health of the communities it serves. The company contracts with dentists and offers dental plan designs. Dental Delta Plan of Colorado s Smile-a-bration program is a one-day event of free dental care that is provided to uninsured children in Colorado and supports numerous dental charities throughout the state. Delta Dental Plan of Colorado is a member of the national Delta Dental Plans Association, which was established in 1954. Delta Dental Plan of Colorado is based in Denver.