GB/T 43576-2023Oral care and cleaning products—Laboratory method of effect removal of extrinsic stain for toothpastes (English PDF)

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

This document is proposed by China Light Industry Federation:

This document is under the jurisdiction of the National Oral Care Products Standardization Technical Committee (SAC/TC492):

This document was drafted by: Heilongjiang Light Industry Science Research Institute, Guangzhou Quality Supervision and Inspection Institute, Guangzhou Shuke Industrial Co:, Ltd:, Su Zhou Jinmao Daily Chemical Co:, Ltd:, Jiangxi Chengzhi Daily Chemical Co:, Ltd:, Shanghai Meijiajing Daily Chemical Co:, Ltd:, Yunnan Baiyao Group Health Products Co:, Ltd:, Haolai Chemical (Zhongshan) Co:, Ltd:, Chongqing Dengkang Oral Care Products Co:, Ltd:, Guangdong Jiuke Biotechnology Co:, Ltd:, Infinitus (China) Co:, Ltd:, Haoyikang Biotechnology (Guangzhou) Co:, Ltd:, Liuzhou Liangmianzhen Co:, Ltd:, Hangzhou Na Meizhikang Technology Co:, Ltd:, Suzhou Qingxin Health Technology Co:, Ltd:, Naais Group Co:, Ltd:, Zhongshan Duomei Chemical Co:, Ltd:, Lian Helihua (China) Co:, Ltd:, Guangzhou Qiancai Cosmetics Co:, Ltd:, Dr: Kang Daily Chemical Group Co:, Ltd:, Guangzhou Star Yuedong Co:, Ltd:

Co:, Ltd:, Suzhou Luye Daily Necessities Co:, Ltd:, Foshan Nanhai District Heshun Anfu Daily Necessities Co:, Ltd:, Colgate-Palmolive (China) Co:, Ltd:

Division, Shanghai Lili Daily Necessities Co:, Ltd:, Huai'an Zongheng Biotechnology Co:, Ltd: Huaiyin Branch, Yantai New Era Health Industry Daily Chemical Co:, Ltd:

Company, Fujian Aijili Daily Chemical Co:, Ltd:, Guangzhou Bingquan Cosmetics Technology Co:, Ltd:, Zhejiang Aishang Daily Necessities Co:, Ltd:, Stander Technology Co:, Ltd:

Medical Technology (Qingdao) Co:, Ltd:, Guangzhou Zhonghan Dental Products Co:, Ltd:, Shenzhen Xiaokuo Technology Co:, Ltd:, Xi'an Federal Dental Medical Department TECHNOLOGY LIMITED:

The main drafters of this document: Sun Dongfang, Zheng Wei, Wang Yi, Chen Minshan, Chen Jianfen, Xu Haiyan, Shi Yilei, Zhang Zhiwei, He Qiying, Zhang Huan, Jiang Shan, Gao Yan, Li Yanhua, Hu Yongzhi, Fan Yu, Mao Jianlin, Peng Yan, Lei Xiquan, Le Ying, Xu Chunsheng, Wang Chunmei, Li Lifen, Liu Dong, Hu Yin, Xu Shaopeng, Yang Xuyi, Da Chengzhu, Yu Jianwei, Chen Wanjin, Han Liujiu, Zhao Guosheng, Hu Rong, Zhong Xiji, Yin Kuo, Li Lu, Xie Xiaofang, Chen Xiaobin, Li Yiqing, Han Jindou, Li Xinyu, Zhou Yi, Xie Yu, Wu Qian, Jian Ruidong, Tan Jianhua, Xi Shaofeng, Deng Banglian:

Oral cleaning and care products toothpaste is useful for removing exogenous Laboratory test methods for stain effects

1 Scope

This document describes the laboratory test method for the effectiveness of toothpaste in removing exogenous stains and gives the effectiveness of toothpaste in removing exogenous stains:

The principles, reagents and materials, instruments and equipment, measurement steps, result calculations, etc: of laboratory testing methods:

This document is applicable to the determination of the removal effect of exogenous stains on toothpastes that use mechanical friction as the main mechanism of action:

2 Normative reference documents

GB/T 3358

GB/T 6682

GB/T 35832-2018

3 Terms and definitions

The terms and definitions defined in GB/T 3358:1-2009 and the following apply to this document: 3:1 extrinsicstain Color changes and staining of teeth caused by lifestyle:

Note: Such as drinking tea, smoking, drinking red wine and other eating habits: 3:2 The ratio of the difference in whiteness value before and after brushing of the tooth grinding block in the sample group to the difference in whiteness value before and after brushing in the control group: Note: Expressed by PCR: 3:3 incisor The first and second teeth are located on both sides of the midline of the upper and lower dental arches, a total of 8 teeth:

Note: They are called maxillary and mandibular central incisors and lateral incisors respectively: 3:4 t-testt-test The t value is used as a statistic to test the difference between two independent or correlated normal population means: 3:5 Random group randomlocation A method of randomly assigning research subjects to experimental groups and control groups: