BS EN ISO 6872:2024
$167.15
Dentistry. Ceramic materials
| Published By | Publication Date | Number of Pages |
| BSI | 2024 | 40 |
This document specifies the requirements, recommendations 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 | undefined |
| 4 | European foreword Endorsement notice |
| 7 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Material |
| 10 | 3.2 Processing |
| 11 | 3.3 Properties 4 Types, classes, and their identification |
| 12 | 5 Requirements 5.1 Uniformity |
| 13 | 5.2 Freedom from extraneous materials 5.3 Mixing and condensation properties of type I ceramics 5.4 Physical and chemical properties 5.5 Shrinkage factor 6 Sampling 6.1 Type I ceramics 6.2 Type II ceramics |
| 14 | 7 Test methods 7.1 Preparation of test specimens 7.1.1 General 7.1.2 Components of test specimens (type I ceramics) 7.1.3 Apparatus for mixing 7.1.4 Method of mixing 7.1.5 Procedure for specimen fabrication 7.1.6 Firing |
| 15 | 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 General 7.3.2 Three-point and four-point flexure tests |
| 18 | 7.3.3 Biaxial flexure test (piston-on-three-ball test) |
| 20 | 7.4 Linear thermal expansion coefficient 7.4.1 Apparatus |
| 21 | 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 |
| 22 | 7.5.2 Assessment of results 7.6 Chemical solubility 7.6.1 Reagent 7.6.2 Apparatus |
| 23 | 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 |
| 24 | 8.1.3 Type II ceramics 8.2 Instructions for use 9 Packaging, marking, and labelling 9.1 Packaging 9.2 Marking and labelling |
| 26 | Annex A (informative) Fracture toughness |
| 33 | Annex B (informative) Weibull statistics |
| 35 | Annex C (informative) Protocol to assess the hydrothermal stability of yttria-stabilized tetragonal zirconia (Y-TZP) |
| 39 | Bibliography |
