BS EN ISO 6872:2015+A1:2018

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Dentistry. Ceramic materials

Published By	Publication Date	Number of Pages
BSI	2018	38

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Categories: 11.060.10 - Dental materials, BSI

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This International Standard specifies the requirements and the corresponding test methods for dental ceramic materials for fixed all-ceramic and metal-ceramic restorations and prostheses.

PDF Catalog

PDF Pages	PDF Title
2	National foreword
4	European foreword Anchor 18 Foreword to amendment A1
7	Foreword
8	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions 3.1 Material
11	3.2 Processing
12	3.3 Properties 4 Types, classes, and their identification
14	5 Requirements 5.1 Uniformity 5.2 Freedom from extraneous materials 5.3 Mixing and condensation properties of type I ceramics 5.4 Physical and chemical properties 5.5 Biocompatibility 5.6 Shrinkage factor 6 Sampling 6.1 Type I ceramics
15	6.2 Type II ceramics 7 Test methods 7.1 Preparation of test specimens 7.1.1 Components of test specimens (type I ceramics) 7.1.2 Apparatus for mixing 7.1.3 Method of mixing 7.1.4 Procedure for specimen fabrication
16	7.1.5 Firing 7.2 Radioactivity of dental ceramic 7.2.1 Preparation of samples 7.2.2 Counting procedure 7.2.3 Assessment of results 7.3 Flexural strength 7.3.1 Three-point and four-point bending tests
20	7.3.2 Biaxial flexure test (piston-on-three-ball test)
22	7.4 Linear thermal expansion coefficient 7.4.1 Apparatus 7.4.2 Preparing of test specimens (type I and type II ceramics) 7.4.3 Dilatometric measurement 7.4.4 Assessment of results 7.5 Glass transition temperature 7.5.1 Operating procedure
23	7.5.2 Assessment of results 7.6 Chemical solubility 7.6.1 Reagent 7.6.2 Apparatus
24	7.6.3 Preparation of test specimens 7.6.4 Procedure 7.6.5 Calculation and assessment of results 8 Information and instructions 8.1 Information 8.1.1 General 8.1.2 Type I Ceramics 8.1.3 Type II ceramics
25	8.2 Instructions for use 9 Packaging, marking, and labelling 9.1 Packaging 9.2 Marking and labelling
27	Annex A (informative) Fracture toughness
34	Annex B (informative) Weibull statistics
36	Bibliography

Publication Date

2018-06-15

Amends

BS EN ISO 6872:2015

Descriptors

Specimen preparation, Homogeneity, Dentistry, Strength of materials, Dental materials, Solubility, Labels, Colour codes, Physical properties of materials, Marking, Classification systems, Mixing, Chemical analysis and testing, Solubility test methods, Condensation, Test equipment, Bend testing, Instructions for use, Special ceramics, Chemical properties, Moulding (process), Firing (ceramics), Radiation measurement, Inspection, Ceramics, Samples, Dental prosthesis

Identical National Standard Of

ISO 6872:2015/Amd 1:2018, EN ISO 6872:2015/A1:2018

Standard Number

BS EN ISO 6872:2015+A1:2018

ISBN

978 0 580 99450 0

Replaced By

BS EN ISO 6872:2024

Withdrawn Date

2024-08-22

Pages

Committee