ISO 7492:2019

ISO 7492:2019 pdf free.Dentistry- Dental explorer.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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 1942, Dentistry — Vocabulary
Iso 6507-1, Metallic materials — Vickers hardness test — Part 1: Test method ISO 6508-1, Metallic materials — Rockwell hardness test — Part 1: Test method ISO 7153-1, Surgical instruments — Materials — Part 1: Metals
150 17664, Processing of health care products — Information to be provided by the medical device manufacturer for the processing of medical devices
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 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 https://wwwiso.orgJobp
— IEC Electropedia: available at
3.1.1 dental explorer handheld dental instrument with a pointed tip designed for tactile examination of tooth surfaces Note ito entry: See Figure 1. Note 2 to entry: Dental explorer is used to examine teeth for decay (caries), calculus, furcations, or other abnormalities.
3.1.2 datum point section point between the centreline of the handle, at right angle to the centreline, and the working tip Note I to entry: The datum point is where h1 and h2 meet.
3.1.3 handle area used for holding the dental explorer (3.1.1) during tactile exploration
3.1.4 shank part of the dental explorer (3.1.1) that connects the working end to the handle
3.1.5 working end part of the dental explorer(11Ll) after the first bend of the shank including the working tip Note ito entry: The working end is the combination of h1 and h2 directly on the explorer.
3.1.6 working tip active part of the working end which will be first to contact the tooth surface
3.2 Symbols and abbreviated terms
For the purposes of this document, the following symbols and abbreviated terms apply, and are shown in Figure 1 to Figure 9.
4.3 Shape and dimensions
The dental explorer shall have one of the forms shown in Figure 2 to Figure 9.
Commonly used dimensions are shown in Table.2. The column is arranged according to the increase in the dimension h1.
The dimensions shall be measured in accordance with Table 1 and Figure 1.
The working tip shall be pointed but the exact shape and design of the working end is left to the discretion of the manufacturer.
The maximum length of a dental explorer shall be at the manufacturer’s discretion, but it should be noted that overall lengths in excess of 173 mm can cause difficulty in containment within a sterilization cassette.
4.5 Connection between working end and handle
The connection between working end and handle of the dental explorer shall not loosen under tensile load or torque.
The connection between working end and handle shall meet at least a tensile force of 600 N and a torque of 0,45 Nm.
Test the tensile strength in accordance with 5.4.1.
Test the torque in accordance with 5.4.2.
4.6 Surface finish
The surface finish is at the discretion of the manufacturer, but shall be visibly free from surface defects, e.g. pores, crevices, grinding marks, and from production residues, e.g. residual scale, acids, grease, remaining grinding and polishing material.
Handle surface finishes should be able to be easily cleaned.
Test in accordance with 5.j.
4.7 Resistance to reprocessing
Dental explorers shall withstand 100 reprocessing cycles, as defined by the manufacturer’s instructions, without deformation or showing signs of corrosion.
For hollow components there shall be no ingress of water within the hollow portion of the instrument.ISO 7492 pdf download.

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