Exhibit 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS To National Dentex Corporation: As independent public accountants, we hereby consent to the incorporation of our report included in this Form 10-K, into the Company's previously filed Registration Statement File Nos. 33-77266, 33-77268, 33-77264, 333-28623, 333-50341 and 333-66446. /s/ ARTHUR ANDERSEN LLP Boston, Massachusetts March 5, 2002