Vorrichtung zum Anpassen einer Matrize an einen zu füllenden Zahn, der eine unregelmässige Form in einem approximalen Bereich aufweist

摘要

The device of object comprises matrix (5) and wedge (4) made completely or attachment part (7) made of resin "with memory that is deformable by illumination" and such that when it is illuminated it deforms and pushes matrix (5) to precisely occupy the cavity of the tooth that is due to the radicular recess, while when it is not illuminated it again assumes its normal shape. Thus there a perfect filling that perfectly fits the shape of the tooth.