AN ANTERIOR AND PREMOLAR MATRIX CREATING EXCELLENT MARGINS FOR ALL DIRECT COMPOSITE RESTORATIONS: IN 1982 DR. PAUL BELVEDERE INVENTED THE CONTOUR STRIP SOLD BY VIVADENT. IT IS NO LONGER AVAILABLE. TODAY BELVEDERE HAS CREATED AN IMPROVED ANTERIOR, ISOLATING MATRIX, THE MARGIN PERFECT MATRIX. marginperfact@aol.com