Method for testing the hardness of a dental composite material

Details Method for testing the hardness of a dental composite material Method for testing the hardness of a dental composite material

1991-11-21

1993-06-22

Raevis, Robert

Measuring and testing

Hardness

By penetrator or indentor

G01N 348

Patent

active

052208273

ABSTRACT:
A device and method for testing the hardness of a dental restorative material before use. The device is a preformed body with an opening in which uncured restorative material is placed for curing under a standard source of light energy for a normal exposure period. The body has a known hardness which is compared against the hardness of the material on the distal side of the body relative to the source of light.

REFERENCES:
patent: 4503169 (1985-03-01), Randklev

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