NF EN ISO 22254
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.
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.
Le présent document définit les spécifications techniques et les essais cliniques auxquels doivent satisfaire les brosses à dents manuelles. Il spécifie également les méthodes d'essai à utiliser pour déterminer la conformité à ces exigences.
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