Influence of Addition of Different Nanoparticles on the Surface Properties of Poly(methylmethacrylate) Denture Base Material.
Hardness
nanoparticle
poly(methylmethacrylate)
removable prosthesis
removable prosthodontics
surface roughness
Journal
Journal of prosthodontics : official journal of the American College of Prosthodontists
ISSN: 1532-849X
Titre abrégé: J Prosthodont
Pays: United States
ID NLM: 9301275
Informations de publication
Date de publication:
Jun 2020
Jun 2020
Historique:
received:
04
02
2020
revised:
07
03
2020
accepted:
19
03
2020
pubmed:
2
4
2020
medline:
9
7
2020
entrez:
2
4
2020
Statut:
ppublish
Résumé
To evaluate and compare the surface properties (roughness and hardness) of poly(methylmethacrylate) denture base material modified with zirconium dioxide (ZNPs), silicon dioxide (SNPs), and diamond (DNPs) nanoparticles. Two hundred sixty heat-polymerized acrylic resin disks (15 × 2 mm) were prepared. ZNPs, SNPs, and DNPs were added in concentrations of 0%, 0.5%, 1.0%, 2.5%, and 5.0% by weight of acrylic powder. This yielded a total of 13 groups for each test according to filler type and concentration (n = 10/group). The control group was made of pure acrylic. A mechanical polisher was used to standardize specimens' surfaces before testing. A profilometer and Vickers hardness indenter were used to test the surface roughness and hardness, respectively. ANOVA and Tukey post hoc tests were used for data analysis (α = 0.05). In comparison to control, results showed a nonsignificant increase in surface roughness (R Although nanofiller addition increased the hardness of denture base material, R
Substances chimiques
Polymethyl Methacrylate
9011-14-7
Types de publication
Journal Article
Langues
eng
Pagination
422-428Informations de copyright
© 2020 by the American College of Prosthodontists.
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