Influence of Ionizing Radiation on Fluoride-Releasing Dental Restorative Materials.
Fourier transform infrared spectroscopy
alkasite
dental materials
flexural modulus
flexural strength
glass hybrid
material reliability
microhardness
radiotherapy
surface roughness
Journal
Polymers
ISSN: 2073-4360
Titre abrégé: Polymers (Basel)
Pays: Switzerland
ID NLM: 101545357
Informations de publication
Date de publication:
26 Jan 2023
26 Jan 2023
Historique:
received:
10
01
2023
revised:
18
01
2023
accepted:
25
01
2023
entrez:
11
2
2023
pubmed:
12
2
2023
medline:
12
2
2023
Statut:
epublish
Résumé
This study aimed to investigate the effects of radiotherapy on the mechanical, chemical, and surface properties of two recently introduced restorative dental materials (a glass hybrid and an alkasite), while two conventional restorative materials served as references. Material specimens of the experimental groups (irradiated) were compared to the specimens of the control groups that underwent the same preparation procedure but without irradiation. The experimental groups of restorative material specimens were irradiated with a total of 70 Gy over 35 days (2 Gy/day × 35 days), while the control groups received no treatment. The following properties were evaluated: surface microhardness (Vickers), surface roughness, color change, flexural strength, flexural modulus, material reliability, and infrared spectra. For the experimental groups, measurements were performed 24 h after specimen preparation, i.e., before radiotherapy and after the completion of the irradiation protocol. For the control groups, measurements were performed after the corresponding periods of no treatment. A statistically significant increase in microhardness (
Identifiants
pubmed: 36771932
pii: polym15030632
doi: 10.3390/polym15030632
pmc: PMC9920463
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : University of Zagreb
ID : Year 2021/2022
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