Exhibit 99.1

National Dentex Corporation Announces Acquisition of D. H. Baker
Dental Laboratory

    WAYLAND, Mass.--(BUSINESS WIRE)--Aug. 11, 2004--National Dentex
Corporation (NASDAQ: NADX), one of the largest owner/operators of
dental laboratories in the United States, today announced the
acquisition of D. H. Baker Dental Laboratory, Inc. of Traverse City,
Michigan. D. H. Baker had sales in excess of $4,000,000 in their last
fiscal year ended December 31, 2003. Terms of the transaction were not
disclosed.
    Mr. David Brown, President & CEO, commented: "We are extremely
pleased to announce the acquisition of D. H. Baker Dental Laboratory.
Founded twenty-five years ago by Doug Baker, D. H. Baker has grown
through a dedication to consistent quality, outstanding service and
educational support beyond their client's expectations. We are proud
to have Doug, his General Manager Steve Begala and his whole talented
team joining our network of laboratories. Their technical expertise,
specializing in Crown and Bridge and Ceramics, is well known in the
dental industry throughout the United States. Their commitment and
focus on customer service fits well with our marketing approach of
establishing lasting professional relationships with our customers."
    Mr. Brown further stated: "We continue to have discussions with a
number of potential acquisition candidates. We remain firmly committed
to this program and will continue to pursue stand alone facilities
such as D. H. Baker, as well as consolidations with our existing
laboratories."
    National Dentex Corporation serves an active customer base of over
20,000 dentists through dental laboratories located in 29 states.
National Dentex's dental laboratories provide a full range of
custom-made dental prosthetic appliances, including dentures, crowns
and fixed bridges, and other dental specialties.

    This press release contains forward-looking statements within the
meaning of the federal securities laws. The Company's actual results
could be materially different as a result of a number of factors,
including general economic conditions, the Company's ability to
successfully operate additional laboratories, and other risks
indicated from time to time in the Company's filings with the
Securities and Exchange Commission.

    CONTACT: National Dentex Corporation
             Richard F. Becker, 508-358-4422