UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 9, 2012

AMERICAN DENTAL PARTNERS, INC.

(Exact Name of Registrant as Specified in Charter)

DELAWARE

0-23363

04-3297858

(State or Other Jurisdiction

of Incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

American Dental Partners, Inc.

401 Edgewater Place, Suite 430

Wakefield, Massachusetts 01880

(Address of Principal Executive Offices, Including Zip Code)

Registrant’s telephone number, including area code: (781) 224-0880

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.

On February 9, 2012, American Dental Partners, Inc. (the “Company”) and JLL Partners, Inc. (“JLL Partners”) announced the completion of the acquisition of the Company by an affiliate of JLL Partners. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits


99.1		Company press release dated February 9, 2012

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


				AMERICAN DENTAL PARTNERS, INC.
				(Registrant)

February 9, 2012				Name: /s/ Breht T. Feigh
				Breht T. Feigh
				Executive Vice President,
				Chief Financial Officer and Treasurer
				(principal financial officer)

EXHIBIT INDEX


Exhibit No.		Description

99.1		Company press release dated February 9, 2012

AMERICAN DENTAL PARTNERS INC 8-K