Surface gloss, gloss retention, and color stability of 2 nano-filled universal resin composites.
Color stability
Composite resins
Gloss retention
Optical properties
Surface gloss
Journal
Restorative dentistry & endodontics
ISSN: 2234-7658
Titre abrégé: Restor Dent Endod
Pays: Korea (South)
ID NLM: 101584377
Informations de publication
Date de publication:
Nov 2022
Nov 2022
Historique:
received:
08
06
2022
revised:
11
08
2022
accepted:
25
09
2022
entrez:
15
12
2022
pubmed:
16
12
2022
medline:
16
12
2022
Statut:
epublish
Résumé
This study compared the surface gloss (SG), gloss retention (GR), and color stability (CS) of 2 universal resin composites after chemical (CA) and mechanical (MA) aging. Twenty disc-shaped samples of G-ænial A´Chord (GC-Europe) and Filtek Universal (3M-ESPE) were polished with sequential abrasive papers. For CA, specimens were stored in 1 mL of 75% ethanol for 15 days at 37°C, and readings (SG, GR, and CS) were obtained at baseline and 5, 10, and 15 days. For MA, specimens were subjected to 10,750 simulated brushing cycles. SG and CS were evaluated after every 3,583 cycles. SG was measured with a glossmeter (geometrical configuration: 60°), and values were expressed in gloss units. Color was measured with a spectrophotometer using the CIE-L*a*b* color system. The Student's G-ænial presented significantly higher SG values than Filtek ( G-ænial presented higher SG values and better CS. Both restorative materials demonstrated acceptable GR and CS. Aging protocols impacted these properties negatively.
Identifiants
pubmed: 36518613
doi: 10.5395/rde.2022.47.e43
pmc: PMC9715371
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e43Informations de copyright
Copyright © 2022. The Korean Academy of Conservative Dentistry.
Déclaration de conflit d'intérêts
Conflict of Interest: No potential conflict of interest relevant to this article was reported.
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