Progress Report on Dimensional Changes in Amalgam

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Excerpt from Progress Report on Dimensional Changes in Amalgam: January 20, 1971Opted an international Specification for alloy for dentalamalgam in which the linear setting change during hardening was restricted to 0 to +o.20% at 37°c on an unrestricted Specimen with a fiducial reading when the Specimen is 15 minutes old.(ll) This was supposed to allow for the effects for mechanical amalgamation, testing at mouth temperature, and restriction of expan Sion in clinical restorations. The latest change, effective June 1, is 0 r 20%on an unrestric ted Specimen with a fiducial reading when the Specimen is 5 minutes old and the amalgam is mixed and packed mechanically.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.