exv23

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-28623, 333-50341, 333-38998, 333-66446, and 333-116541) of National Dentex Corporation of our report dated May 20, 2005 relating to the financial statements, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.