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BSI 23/30426849 DC 2023

BSI 23/30426849 DC 2023

$13.70

BS EN ISO 6872. Dentistry. Ceramic materials

Published By Publication Date Number of Pages
BSI 2023 40
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PDF Catalog

PDF Pages PDF Title
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
13 5 Requirements
5.1 Uniformity
14 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
6.2 Type II ceramics
15 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
7.1.5 Firing
16 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 Annexā‚¬A (informative) Fracture toughness
34 Annexā‚¬B (informative) Weibull statistics
36 Annexā‚¬C (informative) Protocol to assess the hydrothermal stability of yttria-stabilized tetragonal zirconia (Y-TZP)
40 Bibliography

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BSI 23/30426849 DC 2023
$13.70