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BS EN ISO 16409
BS EN ISO 16409
BS EN ISO 16409 is an international standard that specifies requirements and test methods for performance criteria for manual interdental brushes with a round cross-section of the brush head, consisting of a wired stem with inserted filaments, and also covers accompanying information, including manufacturer's instructions for use and packaging labelling. Superseding the 2006 edition, it reflects updated performance benchmarks for modern oral care products. Presto's precision testing instruments support full compliance with BS EN ISO 16409, helping manufacturers deliver safe, high-quality interdental brushes to the global dental market.
Significance
Consumer trust in oral care products depends on rigorous mechanical performance validation. Interdental brushes should be able to resist the loss of the filaments and the breakage of the brush during repeated flexing, insertion, and withdrawal without a risk of choking and injury. The parameters and test method for external properties, tuft removal force, material fatigue, chemical stress, etc. have been specified, and the main object of the standard is to improve safety in the use of such products. Oral care compliance with BS EN ISO 16409 is essential to successfully drive regulatory clearance, retailer acceptance, and consumer trust in the domestic and international oral care marketplace. Interdental brushes other than the types covered in this document, which are those with a plastic core, are not included in BS EN ISO 16409, nor are powered interdental brushes, manual toothbrushes, dental floss, tapes and strings, or interdental cleaners without filaments. The standard deals with sampling aspects, the information to be included in the test report, and marking, labeling, and packaging requirements. Presto's tensile and mechanical testing instruments provide the precise, repeatable force measurement capabilities required to meet all performance evaluation demands within this standard's defined scope.Scope