ISO 7787-2-2020 pdf free

04-24-2021 comment

ISO 7787-2-2020 pdf free.Dentistry —Laboratory cutters — Carbide laboratory cutters.
This document specifies dimensional and other requirements for the 11 most commonly used carbidecutters which are predominantly used in the dental laboratory.The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document. For dated references,only the edition cited applies.Forundated references, the latest edition of the referenced document (including any amendments] applies.ISO 1797, Dentistry —Shanks for rotary and oscillating instruments
ISO 1942, Dentistry —Vocabulary
ISO 2157,Dentistry—Nominal diameters and designation code numbers for rotary instrumentsISO 8325, Dentistry -Test methods for rotary instruments
ISO 15223-1,Medical devices — Symbols to be used with medical device labels, labelling and information tobe supplied – Part 1: General requirements.
For the purposes of this document, the terms and definitions given in IS0 1942 and the following apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses:
ISO Online browsing platform: available at
IEC Electropedia: available at
laboratory cutter:rotary cutting instrument designed for use with dental materials in the dental laboratory.
dental laboratory:facility where dental technical procedures complementing dental clinical treatment are carried out[SOURCE: ISO 1942:2009,2.77]
Dental laboratory cutters are classified according to the material used for the working part as-steel laboratory cutters,
carbide laboratory cutters, and other suitable material specified in ISO 1797.
NOTE Steel laboratory cutters are described in ISO 7787-1.Carbide laboratory cutters are described in thisdocument, IS0 7787-3 and IS0 7787-4.
Materials Working part The working part of the laboratory cutter shall be made of tungsten carbide. The selection of the type oftungsten carbide and the treatment given to it shall be left to the discretion of the manufacturer.
The shank of the laboratory cutter shall be made of stainless steel or other suitable material. Theselection of the type of material and the treatment given to it shall be left to the discretion of themanufacturer.
The shapes of the working part shall be as specified in Figures 1 to 11.
Variations of the shapes are permitted within the limited dimensions and the descriptions used in thesubclause titles.
Testing shall be carried out in accordance with 8.1.ISO 7787 pdf download.

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