Effects of coating with different ceromers on the impact strength, transverse strength and elastic modulus of polymethyl methacrylate
Küçük Resim Yok
Tarih
2015
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Japanese Soc Dental Materials Devices
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
The aim of this study was to evaluate the mechanical properties of polymethyl methacrylate (PMMA) after coating with different ceromers. For transverse strength and modulus of elasticity tests, specimens of 65x10x2.5 mm dimensions were prepared (5 groups, n=10). For impact strength test, specimens of 60x7.5x4 mm dimensions were prepared (5 groups, n=10). Test group specimens were coated with one of four different types of ceromers, and specimens in the control group were not coated. After specimens were tested for transverse and impact strengths, the data were analyzed with Kruskal-Wallis and Conover post hoc tests (p<0.05). GLYMOTEOS-TiO2 and A174-TEOS significantly increased the transverse strength of PMMA. All ceromers caused a statistically significant increase in the elastic modulus of PMMA. While GLYMO-TEOS-ZrO2 significantly decreased the impact strength, the other ceromers did not cause any statistically significant difference in impact strength. Coating with ceromers substantially improved the mechanical properties of PMMA.
Açıklama
Anahtar Kelimeler
PMMA, Reinforcement, Coating, Ceromers, Mechanical properties
Kaynak
Dental Materials Journal
WoS Q Değeri
Q3
Scopus Q Değeri
N/A
Cilt
34
Sayı
3
