Historical
ISO 3630-3:1994
Dental root-canal instruments -- Part 3: Condensers, pluggers and spreaders
Specifies requirements and test methods for pluggers and spreaders, used to condense root-canal filling materials. Includes, additional to standard sizes, a secondary size system referred to as "taper size". These "taper size" sizes are identifiable by tapers which vary with instrument size.
International Organization for Standardization [iso]