ISO 1797-1:1992 pdf download – Dental rotary instruments – Shanks

03-01-2022 comment

ISO 1797-1:1992 pdf download – Dental rotary instruments – Shanks
1 Scope
This International Standard specifies shanks of denial rotary instruments and gives measurement methods for the verification of the dimensions A quality control requirement is added in order to en- sure a high quality level, Part 1 of ISo 1797 specifies shanks made of metals while part 2 specifies shanks made of plastics.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISo 1797. At the time of publication, the editions indicated were valid. AII standards are subject to revision, and parties to agreements based on this part of ISO 1797 are encouraged to investi-gate the possibility of applying the most recenl edi-tions of the standards indicated below Members of IEC and ISO maintain registers of currently valid International Standards.
ISO 3274:1975. Instruments for the measurement of surface roughness by the profile method一Contact (stylus) instruments of consecutive profile trans-formation一Contact profile meters, system M.
ISO 4288:1985. Rules and procedures for the measurement of surface roughness using stylus in-struments.
ISO 6507-1:1982, Metallic materials 一Hardness test – Vickers test- Part 1: HV 5 to HV 100.
3 Classification
The shanks of dental rotary instruments are classified into the following types, according to their diameters and design:
Type 1: diameter 2.35 mm with groove and flat:
Type 2: diameter 2.35 mm cylindrical.
Type 3: diameter 1.6 mm cylindrical with conical or rounded end.
Type 4: diameter 3 mm cylindrical.

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