Surface roughness and filler particles characterization of resin-based composites.
X-ray emission spectrometry
composite resins
filler particles
scanning electron microscopy
surface roughness
Journal
Microscopy research and technique
ISSN: 1097-0029
Titre abrégé: Microsc Res Tech
Pays: United States
ID NLM: 9203012
Informations de publication
Date de publication:
Oct 2019
Oct 2019
Historique:
received:
07
03
2019
revised:
22
05
2019
accepted:
27
06
2019
pubmed:
18
7
2019
medline:
11
1
2020
entrez:
18
7
2019
Statut:
ppublish
Résumé
The purpose of this study was to evaluate the surface roughness (Ra), and the morphology and composition of filler particles of different composites submitted to toothbrushing and water storage. Disc-shaped specimens (15 mm × 2 mm) were made from five composites: two conventional (Z100™, and Filtek™ Supreme Ultra Universal, 3M), one "quick-cure" (Estelite ∑ Quick, Tokuyama), one fluoride-releasing (Beautiful II, Shofu), and one self-adhering (Vertise Flow, Kerr) composite. Samples were finished/polished using aluminum oxide discs (Sof-Lex, 3M), and their surfaces were analyzed by profilometry (n = 5) and scanning electron microscopy (SEM; n = 3) at 1 week and after 30,000 toothbrushing cycles and 6-month water storage. Ra data were analyzed by two-way analysis of variance and Tukey's test (α = 0.05). Filler particles morphology and composition were analyzed by SEM and X-ray dispersive energy spectroscopy, respectively. Finishing/polishing resulted in similar Ra for all the composites, while toothbrushing and water storage increased the Ra of all the tested materials, also changing their surface morphology. Beautifil II and Vertise Flow presented the highest Ra after toothbrushing and water storage. Filler particles were mainly composed of silicon, zirconium, aluminum, barium, and ytterbium. Size and morphology of fillers, and composition of the tested composites influenced their Ra when samples were submitted to toothbrushing and water storage.
Substances chimiques
Acrylic Resins
0
Composite Dental Resin
0
Composite Resins
0
Polyurethanes
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1756-1767Subventions
Organisme : Fundação de Amparo à Pesquisa do Estado de São Paulo
ID : 2011/21670-9
Informations de copyright
© 2019 Wiley Periodicals, Inc.
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