A-A-53939
Style, design, size, and dimensions. The points shall be designed for use in filling pulp canals in endodontic procedures. The points shall be uniformly tapered. The points shall be machine rolled or hand to the required dimensions.
The overall length of the point shall be 28-32 mm. The non-operative end of the point shall be flattened and shall have a serrated or grooved surface pattern. The flattened end shall be 2-4 mm in length, and at least 1/2 the diameter of the point 3 mm from the tip.
Working properties. The gutta-percha points furnished shall be of such formulation and process as to provide a complete sealing of the prepared root canal when used in endodontic procedures. The working properties of the points shall exhibit cohesive strength, toughness and flexibility without brittleness.
Certification-Acceptability. The points shall be certified or acceptable by the American Dental Association. At time of award of contract, the manufacturer shall furnish, upon request, a certificate and data showing that the brand of material to be furnished is the same in quality and brand as that appearing on the list of acceptable or certified materials. Compliance with this certification requirement does not absolve the manufacturer from complete compliance with the other requirements of this specification.
Color. The color of the points shall be pink.
Radiopacity. The radiopacity requirement of ANSI/ADA No. 57 shall apply. Testing for radiopacity shall be as specified under the tests.
Delivery schedule. No more than 2 months shall have elapsed from date of manufacture of the points to date of delivery to the Government.
Shelf life. The points shall comply with requirements of this specification for no less than 18 months from date of delivery, when stored at 35 to 46 degrees Fahrenheit. The inspection test date shall be 18 months from the date of manufacture.
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