Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1974-06-17
1980-02-05
Arnold, Donald J.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51298, 51407, 433229, A61C 306, A61C 312
Patent
active
041870824
ABSTRACT:
A flexible plastic strip having oppositely disposed faces, one of said faces being smooth and the other defining a smooth middle portion and opposite end portions diagonally coated with an abrasive. The width of the finishing strip is made approximately the same as an average distance from gum line contact point of two adjacent teeth, that is about 7 millimeters. The diagonal coatings make it possible to reduce and smooth to tooth level repairs of any size without ridging the repairs.
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Arnold Donald J.
Lake, Jr. James B.
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