ADPI American Dental Partners, Inc. (MM)

American Dental Partners, Inc. (NASDAQ: ADPI) announced today that Breht T. Feigh, Executive Vice President, Chief Financial Officer and Treasurer, will present at the Sidoti & Company Emerging Growth Institutional Investor Forum on Friday, November 20, 2009 at 2:05 p.m. EST.

The presentation will not be webcast; however, the slides presented during the conference will be available in the Investor Relations section of the Company's website at www.amdpi.com for seven days following the conference.

American Dental Partners is one of the nation's leading business partners to dental group practices. The Company is affiliated with 26 dental groups that have 241 dental facilities with approximately 2,123 operatories located in 18 states.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: With the exception of the historical information contained in this news release, the matters described herein contain "forward-looking" statements that involve risk and uncertainties that may individually or collectively affect the matters herein described, including but not limited to the Company's risks associated with overall or regional economic conditions, dependence upon affiliated dental practices, contracts its affiliated practices have with third-party payors, government regulation of the dental industry, impact of health care reform, dependence upon service agreements and the impact of any terminations or potential terminations of such contracts, business interruptions, the outcome of pending litigation and the Company's acquisition and affiliation strategy, which are detailed from time to time in the "Risk Factors" section of the Company's filings with the Securities and Exchange Commission, including the annual report on Form 10-K for the year ended December 31, 2008 and quarterly reports on Form 10-Q.

Contacts: Gregory A. Serrao Chairman, President and Chief Executive Officer 781-224-0880 Breht T. Feigh Executive Vice President, Chief Financial Officer and Treasurer 781-224-0880