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YY/T 1819-2022 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YY/T 1819-2022: Dentistry - Diaphragm for orthodontic aligner
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YY/T 1819-2022	259	Add to Cart	3 days	Dentistry - Diaphragm for orthodontic aligner	Valid

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YY/T 1692 YY/T 1691 YY/T 1702 YY/T 1818 YY/T 1810

Basic data

Standard ID: YY/T 1819-2022 (YY/T1819-2022)
Description (Translated English): Dentistry - Diaphragm for orthodontic aligner
Sector / Industry: Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard: C33
Word Count Estimation: 12,195
Issuing agency(ies): State Drug Administration

YY/T 1819-2022: Dentistry - Diaphragm for orthodontic aligner

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Dentistry - Diaphragm for orthodontic aligner ICS 11.060.10 CCSC33 People's Republic of China Pharmaceutical Industry Standard Diaphragms for orthodontic appliances Published on 2022-05-18 2023-06-01 Implementation Released by the State Drug Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may be patented. Publication of this document Institutions should not be held responsible for identifying patents. This document is proposed by the State Drug Administration. This document is under the jurisdiction of the National Standardization Technical Committee for Dental Materials and Devices (SAC/TC99). This document is drafted by. Peking University School of Stomatology Oral Medical Device Inspection Center, Shanghai Times Angel Medical Device Co., Ltd. The main drafters of this document. Yuan Shenpo, Lin Hong, Huang Lei, Zheng Yikan, Xu Yongxiang, Zhang Dianyun.

Introduction

The diaphragms for orthodontic appliances are mostly thermoplastic polymers, which are processed by heating and pressure on the patient's model to make orthodontic appliances. Orthodontic treatment. The diaphragm for orthodontic appliances is used to make orthodontic appliances, usually a single orthodontic appliance is used for about 2 weeks, and the whole set of orthodontic appliances is used for orthodontic appliances. The use time of the device is 1 to 2 years. This document does not apply to the performance evaluation of orthodontic appliances. Nor does it represent an orthodontic appliance made with a diaphragm that complies with this document The clinical treatment effect is effective. This document does not contain qualitative and quantitative requirements for possible biological hazards, but it is recommended that when evaluating possible biological hazards, refer to GB/T 16886.1 and YY/T 0268. Diaphragms for orthodontic appliances

1 Scope

This document specifies the performance requirements and experimental methods of diaphragms for orthodontic appliances, as well as packaging and labeling information. This document applies to diaphragms for orthodontic appliances.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 1040.3-2006 Determination of Tensile Properties of Plastics Part 3.Test Conditions for Films and Sheets GB/T 5478 Test method for rolling wear of plastics GB/T 6682 Analysis Laboratory Water Specifications and Test Methods GB/T 9937 dental terminology GB/T 33047.1-2016 Thermogravimetric method (TG) of plastic polymers - Part 1.General QB/T 1130-1991 Test method for right-angle tearing properties of plastics

3 Terms and Definitions

The terms and definitions defined in GB/T 9937 and the following apply to this document. 3.1 orthodontic aligner A device for the treatment of malocclusion, which can generate force to change the deformed jaw, misplaced teeth and periodontal supporting tissue to facilitate Dental and maxillofacial normal growth and development. 3.2 grindingwheel A small grinding wheel or a wheel with sandpaper used to abrade the material. 3.3 wearabrasivewear Loss of material contact surface due to the scraping action of the grinding wheel.

4 Requirements

4.1 Appearance The outer surface should be smooth and free from visible impurities, stains, cracks, cracks, blisters, sharp edges, burrs, pores, scratches and other defects. 4.2 Odour There should be no irritating odor. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YY/T 1819-2022_English be delivered?

Answer: Upon your order, we will start to translate YY/T 1819-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of YY/T 1819-2022_English with my colleagues?

Answer: Yes. The purchased PDF of YY/T 1819-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.