Effect of surface finishing and polishing procedures on color properties and translucency of monolithic zirconia restorations at varying thickness.
color
monolithic zirconia
surface finish
translucency
Journal
Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]
ISSN: 1708-8240
Titre abrégé: J Esthet Restor Dent
Pays: England
ID NLM: 101096515
Informations de publication
Date de publication:
09 2021
09 2021
Historique:
received:
02
09
2020
accepted:
12
10
2020
pubmed:
15
11
2020
medline:
21
9
2021
entrez:
14
11
2020
Statut:
ppublish
Résumé
This study aimed to assess the impact of monolithic zirconia thickness on its color properties after different surface finishing and polishing procedures, and following aging in coffee solution. Two types of monolithic zirconia brands [Prettau Anterior (PA) and DD Cubex2 (DDC)] with three different thicknesses: 0.5, 1, and 1.5, and 10 mm diameter were tested. The color properties were evaluated after various surface finishing procedures (glazing, adjusting with burs + glaze, polishing, adjusting with burs + polishing) and after 5,000 cycles in a coffee solution were evaluated. The differences in color (ΔE) and translucency, were calculated and statistically analyzed by three-way ANOVA and pairwise comparison (α = 0.05). The brand, material thickness, and surface finishing protocol before and after coffee thermocycling had significant effect on color variations (p < 0.001). For translucency, 3-way ANOVA revealed a significant interaction between the material thickness and surface finishing protocol following aging in coffee solution (p < 0.001), however no significant interaction was observed following the surface finishing protocols (p = 0.247). The optical properties of monolithic zirconia ceramics can be influenced by the material brand, material thickness and the procedure of surface finishing and polishing. Clinicians should take into consideration the potential change of the color properties of monolithic zirconia restorations following both contouring and occlusal adjustment procedures and coffee intake.
Substances chimiques
Dental Porcelain
12001-21-7
Zirconium
C6V6S92N3C
zirconium oxide
S38N85C5G0
Types de publication
Journal Article
Langues
eng
Pagination
953-963Informations de copyright
© 2020 Wiley Periodicals LLC.
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