Interblock and intrablock homogeneity of CAD-CAM composites mechanical properties.

Flexural strength; Indirect composites; Mechanical properties; Polymer-infiltrated ceramic network; Prosthetic dentistry/Prosthodontics; General Dentistry; Ceramics and Composites

Abstract :

[en] The purpose of this study was to characterize the homogeneity of the mechanical properties of commercial CAD-CAM composites between different blocks of the same material (interblock homogeneity) and within each block between the internal and external parts (intrablock homogeneity). Tetric CAD (TET); Katana Avencia (KAT); Cerasmart 270 (CER); Grandio (GRN) and Vita Enamic (ENA) were tested for flexural strength (σf), flexural modulus (Ef), flexural load energy (Ur) and hardness (HV). Results showed significant differences in interblock homogeneity of σf, Ef and Ur for TET, KAT, CER and ENA. In addition, significant differences in interblock homogeneity of HV for TET, CER and GRN were found. Moreover, significant differences in intrablock homogeneity of σf, Ef and Ur were found for KAT, CER, GRN and ENA, as well as for HV of all the tested materials except CER. Weibull modulus was highest for GRN, followed by ENA, KAT, TET then CER.

Disciplines :

Dentistry & oral medicine

Author, co-author :

Eldafrawy, Maher ; Centre Hospitalier Universitaire de Liège - CHU > > Service prothèse fixée

Karevan, Yousef ; Université de Liège - ULiège > Dental biomaterials research unit (d-BRU)

Nguyen, Jean-François; Innovative Dental Materials and Interfaces Research Unit (UR 4462), Université Paris Cité

Mainjot, Amélie ; Centre Hospitalier Universitaire de Liège - CHU > > Service prothèse fixée

Language :

English

Title :

Interblock and intrablock homogeneity of CAD-CAM composites mechanical properties.

Publication date :

17 October 2023

Journal title :

Dental Materials Journal

ISSN :

0287-4547

Publisher :

Japanese Society for Dental Materials and Devices, Japan

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

https://www.jstage.jst.go.jp/article/dmj/advpub/0/advpub_2023-090/_pdf

Data Set :

10.4012/dmj.2023-090

Available on ORBi :

since 25 November 2023

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