Device for fitting a matrix to a tooth to be filled
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United States of America Patent
Stats
-
Jun 6, 1995
Grant Date -
N/A
app pub date -
Sep 13, 1993
filing date -
Oct 21, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for obtaining the fitting of a matrix to a tooth to be filled comprises matrix (5) and wedge (4) or its attachment part (7) made of resin 'with memory that is deformable by illumination'. The device is made such that when it is illuminated it deforms and pushes matrix (5) to precisely occupy the radicular recess of the tooth to be filled, while when it is not illuminated it again assumes its normal shape. Thus, one obtains a perfect filling that perfectly fits the shape of the tooth.
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Family
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