This part of YY/T 0967 specifies the stems of dental rotary instruments made of plastic and provides measurement methods for dimensional verification. To ensure quality levels, quality requirements have been added. 4.6 and 4.7, do not apply to single-use devices. This section applies to plastic rods with a rotational speed below 5 000 r/min.
YY/T 0967.2-2015 history
2022YY/T 0967-2022 Rods for dental rotary and reciprocating instruments
2015YY/T 0967.2-2015 Dental rotary instruments.Shanks.Part2:Shanks made of plastics