NDLI: Blood and fibroblast responses to thermoset BisGMA-TEGDMA/glass fiber-reinforced composite implants in vitro.

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Blood and fibroblast responses to thermoset BisGMA-TEGDMA/glass fiber-reinforced composite implants in vitro.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Abdulmajeed, Aous A. Walboomers, X. F. Massera, Jonathan Kokkari, Anne K. Vallittu, Pekka K. Närhi, Timo O.
Description	Country affiliation: Finland Author Affiliation: Abdulmajeed AA ( Department of Prosthetic Dentistry, Institute of Dentistry, University of Turku, Turku, Finland)
Abstract	OBJECTIVES: This in vitro study was designed to evaluate both blood and human gingival fibroblast responses on fiber-reinforced composite (FRC) aimed to be used as oral implant abutment material. MATERIAL AND METHODS: Two different types of substrates were investigated: (a) Plain polymer (BisGMA 50%-TEGDMA 50%) and (b) FRC. The average surface roughness (Ra) was measured using spinning-disk confocal microscope. The phase composition was identified using X-ray diffraction analyzer. The degree of monomer conversion (DC%) was determined using FTIR spectrometry. The blood response, including the blood-clotting ability and platelet adhesion morphology, was evaluated. Fibroblast cell responses were studied in cell culture environment using routine test conditions. RESULTS: The Ra of the substrates investigated was less than 0.1 µm with no signs of surface crystallization. The DC% was 89.1 ± 0.5%. The FRC substrates had a shorter clotting time and higher platelets activation state than plain polymer substrates. The FRC substrates showed higher (P < 0.01-0.001) amount of adhered cells than plain polymer substrates at all time points investigated. The strength of attachment was evaluated using serial trypsinization, the number of cells detached from FRC substrates was 59 ± 5%, whereas those detached from the plane polymer substrates was 70 ± 5%, indicating a stronger (P < 0.01) cell attachment on the FRC surfaces. Fibroblasts grew more efficiently on FRC than on plain polymer substrates, showing significantly higher (P < 0.01) cell metabolic activities throughout the experiment. CONCLUSIONS: The presence of E-glass fibers enhances blood and fibroblast responses on composite surfaces in vitro.
File Format	HTM / HTML
ISSN	09057161
Issue Number	7
Volume Number	25
e-ISSN	16000501
Journal	Clinical Oral Implants Research
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2014-07-01
Publisher Place	Denmark
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Dentistry Discipline General Surgery Bisphenol A-glycidyl Methacrylate Pharmacology Composite Resins Dental Materials Fibroblasts Glass Chemistry Polyethylene Glycols Polymethacrylic Acids Adsorption Blood Coagulation Drug Effects Cell Adhesion Cell Proliferation Cells, Cultured Dental Implants Enzyme-linked Immunosorbent Assay Cytology Gingiva Humans In Vitro Techniques Materials Testing Microscopy, Confocal Platelet Aggregation Spectroscopy, Near-infrared Surface Properties X-ray Diffraction Journal Article
Content Type	Text
Resource Type	Article
Subject	Oral Surgery

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