Patent ID: 8226412
Filing Date: 2012-07-24
Classification: A61C

Abstract:
1. A dental hand tool for use with a matrix strip for establishing a strong contact between the matrix strip and a tooth with a class II restoration preparation, and, for creating a restraining surface adjacent to the tooth, the hand tool comprising: an elongate shaft having a pair of spaced apart flexible arms extensive forwardly on the shaft, each of the flexible arms terminating with a gripper element; a slider slidingly engaged with the shaft and movable between forward and rearward positions thereon; a matrix wedge assembly comprising a pair of matrix wedges, each matrix wedge removably engaged with one said gripper element, the matrix wedges joined by a length of cord; opposing lateral portions of the length of cord engaged with the slider wherein drawing the slider rearwardly on the elongate shaft moves the gripper elements and matrix wedges toward mutual abuttment; whereby, the matrix wedges, when mutually engaged within an interproximal space, press the matrix strip into a desired conformation against the tooth creating the restraining surface enabling the class II reconstruction of the tooth.