YY/T 0170-2011Dental elevators (English PDF)

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

Instead of the standard YY/T 0170.1-1994 "very teeth", YY/T 0170.2-1994 "T-shaped teeth pretty", YY/T 0277-1995 "Root Jianting." This standard YY/T 0170.1-1994, YY/T 0170.2-1994, YY/T 0277-1995 difference is as follows.

--- Integration YY/T 0170.1-1994, YY/T 0170.2-1994, YY/T 0277-1995, named "tooth pretty";

--- Increase in Appendix A, Appendix B and Appendix C;

--- According to ISO 15087-1:1999 redrafted.

This revised standard adopts ISO 15087-1:1999 "very teeth Part 1. General requirements." This standard and ISO 15087-1:1999 compared to major differences include.

--- Remove the ISO 15087-1:1999 Foreword;

--- Increase product types and basic dimensions;

--- Increased inspection rules;

--- Increased signs, packaging, transportation and storage requirements;

--- Remove the ISO 15087-1:1999 Annex A, Appendix B;

--- ISO 15087-1:1999 Appendix C, Appendix D of this standard in Appendix A;

--- Increase in Appendices B and C.

1 Scope

This standard specifies the very teeth of classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage.

This standard applies for pry loose teeth, in addition to pry root, root, root tips, etc. with broken teeth quite.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 1220 stainless steel rods Part 1 GB/T 1800.1 Geometrical product specifications (GPS) Limits and fits. Tolerances, deviations and fits basis (GB/T 1800.1-2009, ISO 286-1. 1988, MOD)

GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1:1999, IDT)

GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test)

GB/T 3536 Petroleum products - Determination of flash and fire points - Cleveland open cup method (GB/T 3536-2008, ISO 2592. 2000, MOD)

GB/T 4340.1 metallic materials - Vickers hardness test - Part 1. Test method (GB/T 4340.1-2009, ISO 6507-1:2005, MOD)

GB/T 10610 Geometrical product specifications (GPS) Surface texture Profile method - Rules and procedures for evaluation of the surface structure (GB/T 10610-2009, ISO 4288:1996, IDT)

YY/T 0149-2006 stainless steel medical equipment corrosion test methods (ISO 13402:1995, MOD)

YY/T 1052 surgical instruments logo

ISO 3104 Petroleum products - Determination and calculation transparent and opaque dynamic viscosity kinematic viscosity of liquid petroleum (Petroleum products-Transparentandopaqueliquids-Determinationofkinematicviscosityandcalculationof dynamicriscosity)

Category 3 3.1 teeth by the head and handle quite composed, integral and sub-type connection.

3.2 teeth very divided according to the head and round tip, which shank has a hollow handle, solid handle.