Overview
ISO 3823-2:2003/Amd 1:2008 is an international standard amendment focused on dentistry rotary bur instruments, specifically finishing burs. This amendment refines specifications related to the dimensions, blade counts, and introduces a standardized colour coding system for carbide finishing burs used in dental procedures. Developed by ISO/TC 106, Subcommittee SC 4 (Dental instruments), it ensures enhanced consistency, safety, and identification of rotary burs for dental professionals worldwide. The amendment was published by ISO in 2008 as an update to the original 2003 standard.
Key Topics
- Dimension Corrections: The amendment corrects critical measurement values, such as adjusting the dimension ‘d’ from 0.05 mm to 0.5 mm to align with actual manufacturing standards.
- Colour Coding System: A new colour coding framework for carbide finishing burs facilitates easy identification:
- Red: Fine burs (standard finishing)
- Yellow: Extra fine burs
- White: Ultra fine burs
- Detailed Tables: Updated tables (e.g., Table 8, Table 11, Table 12) include:
- Nominal size designations
- Diameter and length tolerances
- Number of blades for different bur types
- Corresponding colour codes for burs for consistent manufacturing specification
- Shape Specifications: Addition of specifications for conical, pointed carbide finishing burs with smooth, rounded, non-cutting tips, designed to improve finishing quality.
- Terminology Update: The replacement of “Quality 3” with “Grade 3” in section 6.4.2 for clarity and standardization.
Applications
This ISO amendment is crucial for manufacturers, dental professionals, and regulatory bodies involved in:
- Dental bur Production: Ensures manufacturers produce finishing burs with precise, standardized dimensions and identifiable features for reliability and safety.
- Clinical Dentistry: Assists clinicians in selecting appropriate rotary burs for finishing dental restorations with improved accuracy based on size and surface finish.
- Quality Control: Enables regulatory authorities and dental instrument quality inspectors to verify compliance with recognized standards.
- Instrument Identification: The colour coding simplifies bur identification, reducing errors during dental procedures and improving workflow efficiency.
- Product Development: Facilitates innovation by providing a clear framework for bur dimensions and designs, aiding R&D departments in developing new dental rotary instruments.
Related Standards
- ISO 3823-1: Dentistry - Rotary bur instruments - Part 1: Carbide burs - Specifications and requirements for the carbide burs category.
- ISO 9683: Dentistry - Rotary instruments - Test methods for determining the durability and performance of dental burs.
- ISO 10993: Biological evaluation of medical devices - Material biocompatibility relevant to dental instrument safety.
- ISO/IEC Directives Part 2: Procedures for drafting and revising international standards applicable to dental instrument standardization processes.
Keywords: ISO 3823-2 amendment, dentistry rotary burs, finishing burs, carbide burs colour coding, dental instrument standards, dental bur dimensions, dental rotary instruments, ISO dental standards, dental bur specifications, conical carbide burs.