YY/T 1411-2023Dentistry - Test methods for dental unit waterline biofilm treatment (English PDF)

1 Scope

This document provides a method of type testing, mainly used to evaluate the biofilm in the waterway system of the dental unit under laboratory conditions

The effectiveness of treatments to prevent, inhibit their formation or remove:

This document does not apply to equipment for conveying sterile treated water or sterile solutions, nor does it apply to equipment for conveying compressed air in dental units

Pipes, pipes or hoses:

This document does not set limits on the corresponding microbiological indicators: The method is not applicable in clinical conditions: This document was also not created for

Test methods to assess any adverse side effects that may be caused by the treatment:

The test methods provided in this document can be used to test other dental devices that deliver non-sterile water to the oral cavity:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document:

GB/T 6682-2008 Analytical Laboratory Water Specifications and Test Methods (ISO 3696:1987, MOD)

GB 9706:1 Medical Electrical Equipment Part 1: General Requirements for Basic Safety and Essential Performance (GB 9706:1-2020,

IEC 60601-1:2012, MOD)

GB/T 9937 Terminology in Dentistry (GB/T 9937-2020, ISO 1942-2009, MOD)

GB/T 22592 General Rules for Determination of pH Value of Water Treatment Agents (GB/T 22592-2008, ISO 10523:1994, NEQ)

YY/T 1043:1 Dentistry Dental Units Part 1: General Requirements and Test Methods (YY/T 1043:1-2016,

ISO 7494-1:2011, MOD)

YY/T 1043:2 Dentistry Dental Treatment Machine Part 2: Air, Water, Suction and Wastewater Systems (YY/T 1043:2-2018,

ISO 7494-2:2015, IDT)

3 Terms and Definitions

The following terms and definitions defined in GB 9706:1, GB/T 9937, YY/T 1043:1 and YY/T 1043:2 apply to this document:

3:1

Biofilm biofilm

A complex of bacterial clumps and extracellular matrix tightly adhered to the surface of an object:

3:2

Dental treatment machine dentalunit

Equipment for dental treatment that is composed of interconnected dental equipment and instruments to form a functional combination:

[Source: GB/T 9937-2020,2:86] […]