DS DS/EN 26874
DS DSEN 26874 1992-DEC-14 Dentstry - Resn-based pt and fssure sealants
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The standard specifies requirements for dental resin-based restorative materials supplied in a form suitable for mechanical mixing, hand-mixing, or external energy activation, and intended for use primarily for the direct restoration of class III, IV and V cavities in the teeth, i.e. class B materials (see clause 3).