The work, accomplishments, and lessons learned from the Endowment for Health’s seven-year investment. From 2001 to 2007, the Endowment invested $4.9 million dollars in 68 projects that included new service delivery models, infrastructure strengthening, coalition building, public awareness building, and leadership development. The evolution of the Endowment's work in oral health in many ways reflects the early growth of the young foundation and provides many lessons. Measuring the impact is a challenge and no one organization can "cause" change. However, this report examines several oral health measures that point to collective success.