What is ISO 2157:2016 Dentistry — Nominal diameters and designation code numbers for rotary instruments?
ISO 2157:2016 was developed by the International Organization for Standardization (ISO) that specifies the nominal diameters and designation code numbers for rotary instruments used in dentistry. These instruments are commonly used for cutting, grinding, and polishing teeth and dental restorative materials.
The standard provides a system of designation for rotary instruments. Including burs and other cutting tools, based on their diameter, shape, and intended use. The nominal diameters of these instruments are specified in millimeters, and the designation code numbers are used to identify the shape and intended use of each instrument.
In addition, ISO 2157 aims to provide a common language for dental professionals, manufacturers, and regulators to ensure consistency and accuracy in the design, manufacture, and use of rotary instruments in dentistry. So, By standardizing the designation and sizing of these instruments, the standard helps to ensure that they are safe and effective for use in dental procedures. And can be easily identified and procured by dental professionals.
Requirements of ISO 2157:2016
Nominal diameters:
The standard specifies the nominal diameters of rotary instruments in the range of 0.25 mm to 6.00 mm in increments of 0.05 mm. So, The diameters are measured at the working end of the instrument. Which is the part that comes into contact with the tooth or restorative material.
Designation code numbers:
ISO 2157:2016 provides a system of designation code numbers to identify the shape and intended use of each rotary instrument. In fact, The code numbers consist of two or three parts, which indicate the instrument’s shape, size, and use.
Shape codes:
The first part of the code number identifies the shape of the instrument. The standard specifies a set of shape codes for various types of rotary instruments. Including burs, stones, discs, and brushes.
Size codes:
The second part of the code number indicates the nominal diameter of the instrument. Using the increments specified in the standard.
Use codes:
The third part of the code number indicates the intended use of the instrument, such as cutting, grinding, or polishing. Therefore, The standard specifies a set of use codes for various types of rotary instruments.
Marking requirements:
The standard requires that rotary instruments be marked with the nominal diameter and designation code number, as well as the manufacturer’s name or trademark.
ISO 2157 aims to provide a standardized system of designation and sizing for rotary instruments used in dentistry. So, By specifying the nominal diameters and designation code numbers, the standard helps to ensure that these instruments are safe and effective for use in dental procedures. Also, can be easily identified and procured by dental professionals.
Benefits of this ISO Standard
ISO 2157 provides several benefits to dental professionals, manufacturers, and regulators:
Standardization:
The standard provides a common language and system of designation for rotary instruments used in dentistry. So, this helps to ensure consistency and accuracy in the design, manufacture, and use of these instruments.
Safety:
By specifying the nominal diameters and designation code numbers for rotary instruments, the standard helps to ensure that they are safe and effective for use in dental procedures. Thus, this can help minimize the risk of injury to patients and dental professionals.
Ease of use:
The standardized system of designation and sizing provided by the standard makes it easier for dental professionals to identify and procure the rotary instruments they need for specific procedures.
Quality control:
The standard can be used by manufacturers as a basis for quality control and to ensure that their products meet the requirements of dental professionals and regulators.
Finally, Regulatory compliance:
ISO 2157:2016 is recognized by many regulatory bodies and can be used as a basis for compliance with regulatory requirements for rotary instruments used in dentistry.
In summary, ISO 2157 provides a standardized system of designation and sizing for rotary instruments used in dentistry. Which helps to ensure safety, consistency, and ease of use. The standard can also be used for quality control and regulatory compliance by manufacturers, dental professionals, and regulators.
Who needs ISO 2157:2016?
ISO 2157 is primarily intended for use by manufacturers of rotary instruments used in dentistry. The standard provides a standardized system of designation and sizing for these instruments, which helps to ensure consistency, and accuracy. Also, safety in their design, manufacture, and use.
However, this standard may also be of interest to dental professionals, dental schools, and regulatory bodies. As it provides a common language and system of designation for rotary instruments. This can help dental professionals to identify and procure the instruments they need for specific procedures, and can also be used by regulatory bodies to ensure compliance with safety and quality standards.
While, ISO 2157:2016 is primarily intended for manufacturers of rotary instruments used in dentistry, it may also be of interest and relevance to dental professionals, dental schools, and regulatory bodies.
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