Historical
ANSI/ADA Specification No. 119-2008
Manual Toothbrushes
This specification is a modified adoption of ISO 20126:2005, "Dentistry – Manual toothbrushes – General requirements and test methods" and ISO 22254:2005, "Dentistry – Manual toothbrushes – Resistance of tufted portion to deflection".
American Dental Association [ada]
