scope:

NPR-ISO/TS 17988 gives details of test procedures for evaluating the corrosion resistance of dental amalgam produced from a dental amalgam alloy product. It is applicable to dental amalgam formed from products that are within the scope of ISO 24234, Dentistry - Dental amalgam. It is not applicable to dental metallic materials that are within the scope of ISO 22674, Dentistry - Metallic materials for fixed and removable restorations and appliances. This Technical Specification is not applicable to metallic materials in which an alloy powder reacts with a liquid alloy to produce a solid metallic material intended for dental restoration.