Patent ID: 6234793
Filing Date: 2001-05-22
Classification: A61C

Abstract:
A matrix band comprising:a flexible strip having a first end opposite a second end and a top edge opposite a bottom edge,wherein the flexible strip has an elongated and slightly curved configuration such that when the ends are joined together the matrix band has a midsection which is scooped to enable the matrix band to anatomically conform to a tooth when positioned around a tooth requiring restoration,the flexible strip having opposing sides including an interior side and an exterior side,wherein the interior side is smooth for contact with the surfaces of a tooth requiring restoration and for contact with the restoration,wherein the exterior side has at least a portion of its surface configured as a frictional engagement surface to provide frictional engagement with a dental wedge pushed against the frictional engagement surface,wherein the frictional engagement surface of the exterior side is significantly rougher and more abrasive than the interior side.