- -------------------------------------------------------------------------------- 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 October 3, 2006 Date of Report (date of earliest event reported) NATIONAL DENTEX CORPORATION (Exact name of registrant as specified in its charter) Commission file number 000-23092 MASSACHUSETTS 04-2762050 (State or Other (I.R.S. Employer Jurisdiction of Identification No.) Incorporation or Organization) 526 Boston Post Road, 01778 Wayland, MA (Address of Principal (Zip Code) Executive Offices) (508) 358-4422 (Registrant's Telephone No., including Area Code) 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 October 3, 2006, National Dentex Corporation (NADX) issued a press release announcing its acquisition of Impact Dental Laboratory Limited of Ottawa, Ontario, Canada. A copy of this press release is attached as Exhibit 99.1 and is incorporated herein by reference. Item 9.01 Financial Statements and Exhibits. (d) Exhibits 99.1 Press release of National Dentex Corporation, dated October 3, 2006. 2 SIGNATURES 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, thereunto duly authorized. NATIONAL DENTEX CORPORATION (Registrant) October 3, 2006 By: /s/ Richard F. Becker, Jr. ------------------------------------ Richard F. Becker, Jr. Executive Vice President, Treasurer and Chief Financial Officer 3 Exhibit Index 99.1 Press release of National Dentex Corporation, dated October 3, 2006. 4