American Dental Partners Inc (ADPI)

WAKEFIELD, MA -- (MARKET WIRE) -- 11/19/09 --
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