BS EN 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一Vocabulary ISO 6507-1, Metallic materials一Vickers hardness test一Part 1: Test method ISO 6508-1, Metallic materials一Rockwell hardness test一Part 1: Test method ISO 7153-1, Surgical instruments一Materials 一Part 1: Metals ISO 17664, Processing of health care products 一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: 一ISO Online browsing platform: available at https://www.iso.org/obp 一IEC Electropedia: available at http://www.electropedia.org/3.1.1 dental explorer handheld dental instrument with a pointed tip designed for tactile examination of tooth surfaces Note 1 to entry: See Figure 1. Note 2 to entry: Dental explorer is used to examine teeth for decay (caries), calculus, furcations, or otherabnormalities.3.1.2  datum point section point between the centreline of the handle, at right angle to the centreline, and the working tip Note 1 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 (3.1.1) after the first bend of the shank including the working tip Note 1 to 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 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.BS EN ISO 7492 pdf download.