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Position: Chinese Standard in English/WS/T 326.2-2010
WS/T 326.2-2010   Efficacy evaluation of toothpaste—Part 2:Guidelines for anti-caries efficacy evaluation (English Version)
Standard No.: WS/T 326.2-2010 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 4000 words Price(USD):100.0 remind me the price change

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Implemented on:2010-12-3 Delivery: via email in 1 business day
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Standard No.: WS/T 326.2-2010
English Name: Efficacy evaluation of toothpaste—Part 2:Guidelines for anti-caries efficacy evaluation
Chinese Name: 牙膏功效评价 第2部分:防龋
Chinese Classification: C05    Medical science
Professional Classification: WS    Professional Standard - Hygiene
Issued by: MOH
Issued on: 2010-12-3
Implemented on: 2010-12-3
Status: valid
Language: English
File Format: PDF
Word Count: 4000 words
Price(USD): 100.0
Delivery: via email in 1 business day
Efficacy evaluation of toothpaste — Part 2: Guidelines for anti-caries efficacy evaluation 1 Scope This part of WS/T 326 specifies the anti-caries efficacy evaluation and evaluation methods of the toothpaste. This part is applicable to toothpaste products that are labeled to have an efficacy of anti-caries, and of which the physical and chemical properties, hygiene and safety indexes meet the corresponding national standards. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 8372 Toothpaste WS/T326.1 Efficacy evaluation of toothpaste—Part 1: General principles 3 Terms and definitions For the purposes of this document, the terms and definitions given in WS/T326.1 apply. 4 Efficacy evaluation 4.1 Evaluation principles a) The efficacy of anti-caries of fluoride toothpaste shall be verified according to the laboratory evaluation method in 5.1. b) The efficacy of anti-caries of non-fluoride products shall be evaluated according to the clinical tests requirements in 5.2. 4.2 Efficacy determination 4.2.1 After the test, when the free fluoride or soluble fluoride content of fluoride toothpaste is ≥ 500mg/kg, the product has efficacy of anti-caries according to the laboratory evaluation method for efficacy of anti-caries in 5.1. 4.2.2 At the beginning of the test baseline, the middle of the test and the end of the test, the test group and the positive control group (fluoride toothpaste with total fluoride of 1,100mg/kg-1,450mg/kg in accordance with provisions of this standard, without other active ingredients) are statistically analyzed for the changes of increased value on each index and the change of each index between the two groups in each period according to the clinical test requirements for efficacy of anti-caries in 5.2. After statistical test, the indexes of the test group shall not be lower than those of the positive control group, and the product has efficacy of anti-caries.
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Efficacy evaluation 5 Evaluation method
Referred in WS/T 326.2-2010:
*GB/T 8372-2017 Toothpaste
*WS/T 326.1-2010 Efficacy evaluation of toothpaste—Part 1:General principles
Code of China
Standard
WS/T 326.2-2010  Efficacy evaluation of toothpaste—Part 2:Guidelines for anti-caries efficacy evaluation (English Version)
Standard No.WS/T 326.2-2010
Statusvalid
LanguageEnglish
File FormatPDF
Word Count4000 words
Price(USD)100.0
Implemented on2010-12-3
Deliveryvia email in 1 business day
Detail of WS/T 326.2-2010
Standard No.
WS/T 326.2-2010
English Name
Efficacy evaluation of toothpaste—Part 2:Guidelines for anti-caries efficacy evaluation
Chinese Name
牙膏功效评价 第2部分:防龋
Chinese Classification
C05
Professional Classification
WS
ICS Classification
Issued by
MOH
Issued on
2010-12-3
Implemented on
2010-12-3
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
4000 words
Price(USD)
100.0
Keywords
WS/T 326.2-2010, WS 326.2-2010, WST 326.2-2010, WS/T326.2-2010, WS/T 326.2, WS/T326.2, WS326.2-2010, WS 326.2, WS326.2, WST326.2-2010, WST 326.2, WST326.2
Introduction of WS/T 326.2-2010
Efficacy evaluation of toothpaste — Part 2: Guidelines for anti-caries efficacy evaluation 1 Scope This part of WS/T 326 specifies the anti-caries efficacy evaluation and evaluation methods of the toothpaste. This part is applicable to toothpaste products that are labeled to have an efficacy of anti-caries, and of which the physical and chemical properties, hygiene and safety indexes meet the corresponding national standards. 2 Normative references The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 8372 Toothpaste WS/T326.1 Efficacy evaluation of toothpaste—Part 1: General principles 3 Terms and definitions For the purposes of this document, the terms and definitions given in WS/T326.1 apply. 4 Efficacy evaluation 4.1 Evaluation principles a) The efficacy of anti-caries of fluoride toothpaste shall be verified according to the laboratory evaluation method in 5.1. b) The efficacy of anti-caries of non-fluoride products shall be evaluated according to the clinical tests requirements in 5.2. 4.2 Efficacy determination 4.2.1 After the test, when the free fluoride or soluble fluoride content of fluoride toothpaste is ≥ 500mg/kg, the product has efficacy of anti-caries according to the laboratory evaluation method for efficacy of anti-caries in 5.1. 4.2.2 At the beginning of the test baseline, the middle of the test and the end of the test, the test group and the positive control group (fluoride toothpaste with total fluoride of 1,100mg/kg-1,450mg/kg in accordance with provisions of this standard, without other active ingredients) are statistically analyzed for the changes of increased value on each index and the change of each index between the two groups in each period according to the clinical test requirements for efficacy of anti-caries in 5.2. After statistical test, the indexes of the test group shall not be lower than those of the positive control group, and the product has efficacy of anti-caries.
Contents of WS/T 326.2-2010
Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Efficacy evaluation 5 Evaluation method
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Keywords:
WS/T 326.2-2010, WS 326.2-2010, WST 326.2-2010, WS/T326.2-2010, WS/T 326.2, WS/T326.2, WS326.2-2010, WS 326.2, WS326.2, WST326.2-2010, WST 326.2, WST326.2