The Fracture Load as a Function of the Material Thickness: The Key to Computing the Strength of Monolithic All-Ceramic Materials?
all-ceramics
digital workflow fracture load material thickness
monolithic restorations
regression analysis
Journal
Materials (Basel, Switzerland)
ISSN: 1996-1944
Titre abrégé: Materials (Basel)
Pays: Switzerland
ID NLM: 101555929
Informations de publication
Date de publication:
28 Feb 2023
28 Feb 2023
Historique:
received:
23
01
2023
revised:
18
02
2023
accepted:
25
02
2023
entrez:
11
3
2023
pubmed:
12
3
2023
medline:
12
3
2023
Statut:
epublish
Résumé
The thickness of a material has a significant impact on its fracture load. The aim of the study was to find and describe a mathematical relationship between the material thickness and the fracture load for dental all-ceramics. In total, 180 specimens were prepared from a leucite silicate ceramic (ESS), a lithium disilicate ceramic (EMX), and a 3Y-TZP zirconia ceramic (LP) in five thicknesses (0.4, 0.7, 1.0, 1.3, and 1.6 mm; n = 12). The fracture load of all specimens was determined using the biaxial bending test according to the DIN EN ISO 6872. The regression analyses for the linear, quadratic, and cubic curve characteristics of the materials were conducted, and the cubic regression curves showed the best correlation (coefficients of determination (R
Identifiants
pubmed: 36903110
pii: ma16051997
doi: 10.3390/ma16051997
pmc: PMC10004144
pii:
doi:
Types de publication
Journal Article
Langues
eng
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