Conceptual frameworks for understanding system capacity in the care of people with special health care needs.

This paper seeks to (1) identify strengths and weaknesses of the US health care system regarding oral care for persons with special needs; (2) provide a framework for understanding system capacity; and (3) describe the context within which dental care is provided in the United State. It explores a series of concepts that help explain the current lack of access for those with special needs and synthesizes options for improvement.