PMID: 11340602May 8, 2001Paper

Dental composites reinforced with hydroxyapatite: mechanical behavior and absorption/elution characteristics

Journal of Biomedical Materials Research
C DomingoM Toledano

Abstract

The purpose of this study was to analyze the behavior in water as well as the mechanical and surface properties of experimental composites designed for dental restoration. Studied materials were composed of a visible-light-cured monomer mixture as a matrix (bisphenol-alpha-glycidyl methacrylate with triethyleneglycol dimethacrylate or hydroxyethyl methacrylate) and either micrometric or nanometric hydroxyapatite (HA) particles as a reinforcing filler. The surface of the filler particles was modified by using different coupling agents (citric, hydroxysuccinic, acrylic, or methacrylic acid). The hydrolytic stability of the evaluated materials was studied through elution-in-water and water-uptake tests. Mechanical and surface properties were examined through the results of flexural, hardness, and surface roughness tests. Means and standard deviations were calculated for each variable. Analysis of variance and multiple comparison tests were performed. Materials containing bisphenol-alpha-glycidyl methacrylate:triethyleneglycol dimethacrylate and micrometric-HA coated with citrate, acrylate, or methacrylate displayed the most favorable results. Improvements should be obtained by increasing the total filler amount, and by the introdu...Continue Reading

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Citations

Mar 8, 2013·Journal of Materials Science. Materials in Medicine·Sergey V Dorozhkin
Aug 11, 2004·Dental Materials : Official Publication of the Academy of Dental Materials·L Musanje, B W Darvell
May 7, 2005·Dental Materials : Official Publication of the Academy of Dental Materials·Sónia G PereiraTeresa G Nunes
Jul 3, 2003·Dental Materials : Official Publication of the Academy of Dental Materials·C DomingoM Toledano
Jul 25, 2008·Journal of Dental Research·J L Drummond
May 19, 2010·International Journal of Molecular Sciences·Mehrdad Mahkam, Laleh Vakhshouri
Nov 10, 2006·Journal of Pharmaceutical Sciences·Mei LinQiangguo Du
May 15, 2012·Dental Materials : Official Publication of the Academy of Dental Materials·Hongquan Zhang, Brian W Darvell
Feb 16, 2010·Dental Materials : Official Publication of the Academy of Dental Materials·Mehdi Sadat-ShojaiLeila Nasiri Khanlar
Jun 8, 2013·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Maja LezajaVesna Miletic
Aug 10, 2018·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Livia C NataleRoberto R Braga
Dec 22, 2007·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Feimin ZhangNing Gu
May 9, 2008·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Lidia HernandezMariló Gurruchaga
Nov 2, 2018·Dental Materials Journal·Abdul Samad Khan, Mariam Raza Syed
Aug 8, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·Leina NakanishiRafael R Moraes
Aug 25, 2018·Dental Materials : Official Publication of the Academy of Dental Materials·Roberto Ruggiero Braga
Jan 11, 2016·ACS Biomaterials Science & Engineering·Eric HabibX X Zhu

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