1 Scope
This Part of YY 0302 specifies dimensional and other relevant requirements for the 10 most commonly used shapes of steel and carbide burs, including a quality control for these instruments.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Part of YY 0302. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 6682-2008 Water for analytical laboratory use — Specification and test methods (ISO 3696:1987, MOD)
ISO 1797-1:1992 Dental rotary instruments — Shanks — Part 1: Shanks made of metals
ISO 2157:1992 Dental rotary instruments — Nominal diameters and designation code number
ISO 6360-1:2004 Dentistry — Number coding system for rotary instruments — Part 1: General characteristics
ISO 6360-2:2004 Dentistry — Number coding system for rotary instruments — Part 2: Shape
ISO 8325:2004 Dentistry — test methods for rotary instruments
3 Classification
Steel and carbide burs shall be classified, according to the material of the working part, into the following two types:
— Type 1: steel burs
— Type 2: carbide burs
Foreword II
Introduction III
1 Scope
2 Normative References
3 Classification
4 Symbols for Dimensions
5 Requirements
6 Test Procedure
7 Quality Control
8 Labelling
9 Packaging
