Health survey conducted by phone of Washtenaw county residents in 2005 & 2010; includes questions specifically on dental health.
Health Statistics--The Big Picture
If you need to search for a broader range of statistics, use the Health Statistics research guide, a comprehensive list of health statistics of various kinds at the local, state, national, & international levels.
From the Agency for Healthcare Research & Quality (AHRQ). This database & web site provide information on specific evidence-based health care quality measures & measure sets, including the new Atlas of Integrated Behavioral Health Care Quality Measures. Search by topic, organization, or National Quality Strategy.