Published
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.
WITHDRAWN
ISO 8627:1987
PUBLISHED
ISO 22254:2005
90.20
Standard under periodical review
Jul 15, 2025
PROJECT
ISO/PWI 22254
Dentistry - Manual toothbrushes - Resistance of tufted portion to deflection (ISO 22254:2005)
90.93 Standard confirmed
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