YY/T 0873.2-2014Dentistry - Number coding system for rotary instruments - Part 2: Shapes (English PDF)

Foreword

YY/T 0873 "Dental rotary instruments - Number coding system" consists of seven parts.

--- Part 1. General characteristics;

--- Part 2. Shape;

--- Part 3. Characteristics burs and cutting tools;

--- Part 4. diamond instrument characteristics;

--- Part 5. Characteristics of root canal instruments;

--- Part 6. Grinding equipment characteristics;

--- Part 7. Characteristics of the mandrel and special equipment. This section is YY/T Section 20873 of. This section drafted in accordance with GB/T 1.1-2009 given rules.

This part identical with ISO 6360-2:2004 "Digital dentistry coding system for rotary instruments - Part 2. Shape." This portion

ISO 6360-2:2004 compared to the main differences are as follows.

--- According to GB/T 1.1-2009 requirements were editorial changes;

--- For other international standards cited in this section, if it has converted to our standards, this section will replace the international reference standard number The corresponding number of national standards, and in Chapter 2 marked on relationships.

Introduction

This section is part of a digital standard coding system for rotary instruments. All kinds of dental rotary instruments, including endodontic instruments, has been in the global scope Produced and used by dental professionals around inside.

The standard for all types of dental rotary instruments, including accessories connected thereto, to provide a common set of digital coding system.

The use of digital coding system meaning that if the system is widely used, manufacturers and traders of dental rotary instruments by The standard directory inquiry direct access to information about the device.

This standard is based on a dental rotary instruments of trade, production and dental professional needs, identification and classification of these instruments and the establishment of a pass Use the system. This standard applies to all established a dental rotary instruments and easy to understand digital coding system, this system uses 15 series Code numbers and proprietary features characterize the general instruments or instrument groups. Group 13 digits for material identification devices working portion.

Group 23 digits used to identify the device and the total length of the lever handle and equipment. Group 3 3 digits for shape recognition device. Group 4 3 figures for proprietary feature recognition device group.

Group 53 digit identification device for the nominal diameter of the working portion.

Digital coding for the generic code does not provide accurate product information. This information is provided by the respective product standard dental rotary instruments.

In the application of the digital coding system to find the correct codes and characteristics, the user should see YY/T 0873.1 and YY/T 0873.2 get through Use of information, and see the next section (YY/T 0873.3 ~ YY/T 0873.7) to obtain a device or group of devices further feature information.

1 Scope

YY/T 0873 provisions of this part of the digital coding for all dental rotary instruments and accessories connected thereto series shape. Trace He said the shape of the three-digit number constitutes 15 full array Group 3 3 digital encoding principle YY/T 0873.1 has to be explained.

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.

YY/T 0873.1 Dental rotary instruments - Number coding system - Part 1. General characteristics (YY/T 0873.1-2013, ISO 6360-1:2004, IDT)

3 Terms and definitions

Terms and Definitions The following terms and definitions and YY/T 0873.1 defined apply to this document.

4 Shape coding