ISO 3630-4-2009 pdf free download

ISO 3630-4-2009 pdf free download.Dentistry Root canal instruments Part 4: Auxiliary instruments
Art dentaire — Instruments pour canaux radiculaires — Partie 4: Instruments auxillaires.
This part of ISO 3630 specifies requirements and test methods for hand-held or mechanically operated instruments for performing root canal procedures not cited in ISO 3630-1. 3630-2. 3630-3 or 3630-5.
This part of ISO 3630 specifies requirements for size, product designation, safety considerations, instructions and labelling.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1797-1, Dental rotary instruments — Shanks — Part 1: Shanks made of metals
ISO 1797-2, Dental rotary instruments — Shanks — Part 2: Shanks made of plastics
ISO 1942, Dentistry — Vocabulary
ISO 3630-1:2008, Dentistry — Root-canal instruments — Part 1: General requirements and test methods
ISO 3630-2:2000, Dental root-canal instruments — Part 2: Enlargers
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 1942. ISO 3630-1 and the following apply.
3.1.1
barbed broach
root-canal instrument with barbs designed for removing the pulp tissue
3.1.2
rasp
root-canal instrument in which sharp prominences have been fomed on the working part and which is designed to enlarge a root canal by abrasive action
3.1.3
paste carrier
root-canal instrument designed foc conveying filling material or medicaments into a root canal
3.1.4
root-canal explorer
root-canal instrument designed for exploring the root canal system
3.1.5
cotton broach
root-canal instrument used with cotton for drying root canals or placing medicaments
3.1.6
height of barb
height measured perpendicularly from the outside of the core to the barbed tip
3.1.7
core diameter of the instrument
diameter of the solid portion of the barbed broach or rasp
3.2 Symbols
For the purposes of this document, the following symbols apply.
d1 diameter of core or working part at length ‘
“2 diameter of core or working part at length ‘2
d3 diameter of core or working part at length 13;
h height of barb;
1 tip length, measured from tip point (for Type 1 and Type 2) to base of first barb:
‘2 length for measuring point ‘2
13 length for measuring point d3 and minimum length of working part, distance from the tip of the instrument to the tip of the last barb;
/4 length of operative part.
4 Classification
For the purposes of this document, root-canal instruments are classified according to the shape and intended endodontic application of the instrument as follows:ISO 3630-4-2009 pdf free download.