PD ISO/TR 14569-1:2007 PDF

1   Scope This part of ISO/TR 14569 provides guidelines for test methods for the assessment of resistance to wear by tooth brushing for the following materials:

— materials used for the preparation of artificial teeth;

— veneering of crowns and bridges.

This part of ISO/TR 14569 does not cover phenomena such as the marginal degradation and loss of substance by chemical processes, swelling, splintering of edges or wear from contact with the antagonist.