Size or hierarchical dependence of the elastic modulus of three ceramic-composite CAD/CAM materials.

Ceramics Composite Resins Computer-Aided Design Dental Materials Dental Porcelain Elastic Modulus Materials Testing Surface Properties
Atomic force microscopy CAD/CAM Ceramic resin composites Elastic modulus Hierarchical structure Nano-indentation

Journal

Dental materials : official publication of the Academy of Dental Materials
ISSN: 1879-0097
Titre abrégé: Dent Mater
Pays: England
ID NLM: 8508040

Informations de publication

Date de publication:
07 2019
Historique:
received: 19 10 2018
revised: 18 02 2019
accepted: 27 03 2019
pubmed: 3 5 2019
medline: 18 12 2019
entrez: 4 5 2019
Statut: ppublish

Résumé

To measure the elastic modulus of three ceramic-composite CAD/CAM materials at three different microstructural dimensions: macro, micro, and nano. Three novel ceramic-composite CAD/CAM materials (Enamic, Lava Ultimate, and Cerasmart) were investigated. Rectangular cross-sections 10 × 5.7 × 1 mm At the macro level Enamic showed the highest elastic modulus, followed by Lava Ultimate and Cerasmart respectively (p < 0.001). Measurements at the micro and nano level resulted in bimodal distributions of the elastic modulus values associated with the various phases present with values higher and lower than measured at the macro level. Only at the nano-level were the various phases of Cerasmart able to be distinguished. The tested materials showed different elastic modulus at the different size or hierarchical levels that enabled comparison with the hierarchical values of enamel. Studying the mechanical properties of these novel materials at different size or hierarchical scales can help to understand their potential clinical performance, such as structural durability and opposing tooth wear and lead to more biomimetic like dental restorative materials.

Identifiants

DOI: 10.1016/j.dental.2019.03.012 PMID: 31047648
pubmed: 31047648
pii: S0109-5641(18)31264-8
doi: 10.1016/j.dental.2019.03.012
pii:
doi:

Substances chimiques

Composite Resins 0
Dental Materials 0
Dental Porcelain 12001-21-7

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Pagination

953-962

Informations de copyright

Copyright © 2019 The Academy of Dental Materials. Published by Elsevier Inc. All rights reserved.

Auteurs

R A Al-Shatti (RA)

Faculty of Dentistry, Health Science Center, University of Kuwait, Kuwait.

G H Dashti (GH)

Faculty of Dentistry, Health Science Center, University of Kuwait, Kuwait.

S Philip (S)

Faculty of Dentistry, Health Science Center, University of Kuwait, Kuwait.

S Michael (S)

Faculty of Dentistry, Health Science Center, University of Kuwait, Kuwait.

M V Swain (MV)

Faculty of Dentistry, Health Science Center, University of Kuwait, Kuwait; Biomaterials and Biomechanics, Engineering, Don State Technical University, Rostov on Don, Russia; AMME, The University of Sydney, Sydney Australia. Electronic address: michael.swain@sydney.edu.au.

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Classifications MeSH

questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Céramiques › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Matériaux biomédicaux et dentaires › Polymères › Matières plastiques › Résines synthétiques › Résines composites › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Sciences de l'information › Affichage de données › Infographie › Conception assistée par ordinateur › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Matériaux biomédicaux et dentaires › Matériaux dentaires › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Céramiques › Porcelaine dentaire › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Phénomènes physiques › Phénomènes mécaniques › Élasticité › Module d'élasticité › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Techniques d'investigation › Test de matériaux › Size or hierarchical dependence of the elastic...
questionsmedicales.fr › Phénomènes chimiques › Propriétés de surface › Size or hierarchical dependence of the elastic...