scope:

Specific qualitative and quantitative requirements for freedom from biological hazard are not included in this International Standard, but it is recommended that reference should be made to ISO/TR 7405 when assessing possible biological or toxicological hazards. This International Standard specifies the compositional requirements, mechanical properties and test methods for base metal casting alloys used for removable dental appliances. It does not apply to alloys intended for ceramic metal restorations or surgical implants.