🔥🔥 Don’t Miss Out on Our End of Autumn Sale. If you have any questions, feel free to click the bottom right corner to contact our customer service..

Concat us[email protected]
Shopping Cart

No products in the cart.

🔍
BS EN ISO 8325:2023

BS EN ISO 8325:2023

$102.76

Dentistry. Test methods for rotary instruments

Published By Publication Date Number of Pages
BSI 2023 22
PDF Format Searchable Printable Preview Now
Guaranteed Safe Checkout
Categories: ,

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

This document specifies general test methods for rotary instruments used in dentistry. These test methods are used for measuring the dimensional characteristics, neck strength and surface roughness of rotary instruments, such as burs, cutters, polishers, grinding instruments and rotary instruments used for oral surgery such as drills and countersinks. Specific tests are specified in the respective instrument standards, if available. This document does not specify test methods for materials used for rotary instruments. NOTE       For materials used for rotary instruments, see ISO 21850-1 and respective instrument standards. This document is not applicable to endodontic instruments. For endodontic instruments, see ISO 3630-1.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Measurement and test methods
4.1 General
4.2 Ambient conditions
4.3 Measurements
5 Measurement of single characteristics
5.1 Measuring instrument
5.2 Shape of the working part
5.3 Diameter of the working part
5.3.1 Location of measurement points
11 5.3.2 Procedure
5.3.3 ​Evaluation of test results
5.4 Neck diameter
5.4.1 Location of measurement points
5.4.2 Procedure
5.5 Dimensions of shanks
5.5.1 Shank diameter
12 5.5.2 Shank length
5.6 Dimensions of mandrels
5.7 Length of working part
5.7.1 Location of measurement points
5.7.2 Procedure
5.8 Overall length
5.8.1 Location of measurement points
5.8.2 Procedure
5.9 Angle of taper of working part
5.9.1 Location of measurement points
5.9.2 Procedure
13 5.10 Run-out of the working part
5.10.1 Apparatus
14 5.10.2 Location of measurement points
5.10.3 Procedure
5.11 Neck strength test
5.11.1 Apparatus
15 5.11.2 Test force
5.11.3 Procedure
5.11.4 Calculation of test force for neck strength
16 5.11.5 ​Evaluation
5.12 Surface roughness
6 Test report
17 Annex A (informative) Deduction of the neck strength formula

Related products

BS EN ISO 8325:2023
$102.76