Effects of ionizing radiation on surface properties of current restorative dental materials

To investigate the impact of radiotherapy on surface properties of restorative dental materials. A conventional resin composite—CRC (Aura Enamel), a bulk-fill resin composite—BFRC (Aura Bulk-fill), a conventional glass ionomer cement—CGIC (Riva self cure), and a resin-modified glass ionomer cement—R...

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Veröffentlicht in:	Journal of materials science. Materials in medicine 2021-06, Vol.32 (6), p.69-69, Article 69
Hauptverfasser:	de Amorim, Débora Michelle Gonçalves, Veríssimo, Aretha Heitor, Ribeiro, Anne Kaline Claudino, de Assunção e Souza, Rodrigo Othávio, de Assunção, Isauremi Vieira, Caldas, Marilia Regalado Galvão Rabelo, Borges, Boniek Castillo Dutra
Format:	Artikel
Sprache:	eng
Schlagworte:	Acrylic Resins Biomaterials Biomaterials Synthesis and Characterization Biomedical Engineering and Bioengineering Biomedical materials Ceramics Chemistry and Materials Science Composite materials Composite Resins Composites Contact angle Dental cement Dental enamel Dental Materials Dental restorative materials Diameters Diamond pyramid hardness Distilled water Exposure Glass Glass Ionomer Cements Humans Ionizing radiation Materials Science Materials Testing Microscopy, Electron, Scanning Mouth Neoplasms - radiotherapy Natural Materials Polymer Sciences Post-radiation Radiation Radiation therapy Radiation, Ionizing Radiotherapy - adverse effects Radiotherapy - methods Regenerative Medicine/Tissue Engineering Resin Cements Resins Resins, Synthetic Scanning electron microscopy Silicon Dioxide Statistical methods Stress, Mechanical Surface Properties Surfaces and Interfaces Thin Films Variance analysis Wettability
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Zusammenfassung:	To investigate the impact of radiotherapy on surface properties of restorative dental materials. A conventional resin composite—CRC (Aura Enamel), a bulk-fill resin composite—BFRC (Aura Bulk-fill), a conventional glass ionomer cement—CGIC (Riva self cure), and a resin-modified glass ionomer cement—RMGIC (Riva light cure) were tested. Forty disc-shaped samples from each material (8 mm diameter × 2 mm thickness) ( n = 10) were produced according to manufacturer directions and then stored in water distilled for 24 h. Surface wettability (water contact angle), Vickers microhardness, and micromorphology through scanning electron microscopy (SEM) before and after exposition to ionizing radiation (60 Gy) were obtained. The data were statistically evaluated using the two-way ANOVA and Tukey posthoc test ( p
ISSN:	0957-4530 1573-4838
DOI:	10.1007/s10856-021-06543-5