American Dental Partners Inc (ADPI)

WAKEFIELD, MA -- (MARKET WIRE) -- 01/26/10 --
American Dental Partners, Inc. (NASDAQ: ADPI)
announced today that ForwardDental has been re-accredited by the
Accreditation Association for Ambulatory Health Care ("AAAHC").

ForwardDental is a dental group practice with 30 practice locations
throughout Wisconsin. "ForwardDental's accreditation is well-deserved and
is recognition of their commitment to high quality standards and clinical
excellence," said Gregory A. Serrao, Chief Executive Officer.

American Dental Partners encourages its affiliated dental groups to pursue
AAAHC accreditation as a means to set and maintain measurable quality
benchmarks and achieve the highest possible standard of patient care. Dr.
Jesley C. Ruff, Senior Vice President and Chief Professional Officer of
American Dental Partners, works with the Company's affiliates in the
pursuit of accreditation. "We hope that by having our affiliated dental
groups be part of a select group of dental practices accredited by the
AAAHC, American Dental Partners will be at the forefront of promoting
clinical excellence in the dental profession," said Dr. Ruff. "While AAAHC
accreditation is a rigorous and demanding process, we believe it will help
our affiliated dental groups continue to recruit high quality professionals
and enhance relationships with patients and local dental communities," Dr.
Ruff added.

The AAAHC was formed in 1979 to assist ambulatory health care organizations
improve the quality of care provided to patients. Accreditation is a
voluntary process through which ambulatory health care organizations are
able to measure the quality of their services and performance against
nationally recognized standards. Currently accrediting over 3,800
organizations, the AAAHC is the leader in ambulatory health care
accreditation.

American Dental Partners is one of the nation's leading business partners
to dental group practices. The Company is affiliated with 27 dental group
practices which have 267 dental facilities with approximately 2,276
operatories located in 19 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 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

American Dental Partners, Inc.
	401 Edgewater Place, Suite 430
Wakefield, MA 01880
Phone: 781/224-0880
Fax: 781/224-4216