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ISO 22254:2005

Dentistry - Manual toothbrushes - Resistance of tufted portion to deflection

ISO 22254:2005 specifies a test method for determining the resistance of the tufted portion of manual toothbrushes to deflection. This International Standard is applicable to toothbrushes having a conventional flat trim design and may not be applicable to toothbrushes with other designs. The results obtained with this International Standard may not correspond to consumer perceptions of the stiffness of toothbrush bristles.

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International Organization for Standardization [iso]

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