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Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite

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Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite. / Khan, A.S.; Hassan, K.R.; Bukhari, S.F. et al.
In: Journal of Biomedical Materials Research Part B: Applied Biomaterials, Vol. 100 B, No. 1, 2012, p. 239-248.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Khan, AS, Hassan, KR, Bukhari, SF, Wong, FSL & Rehman, IU 2012, 'Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite', Journal of Biomedical Materials Research Part B: Applied Biomaterials, vol. 100 B, no. 1, pp. 239-248. https://doi.org/10.1002/jbm.b.31945

APA

Khan, A. S., Hassan, K. R., Bukhari, S. F., Wong, F. S. L., & Rehman, I. U. (2012). Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 100 B(1), 239-248. https://doi.org/10.1002/jbm.b.31945

Vancouver

Khan AS, Hassan KR, Bukhari SF, Wong FSL, Rehman IU. Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite. Journal of Biomedical Materials Research Part B: Applied Biomaterials. 2012;100 B(1):239-248. doi: 10.1002/jbm.b.31945

Author

Khan, A.S. ; Hassan, K.R. ; Bukhari, S.F. et al. / Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite. In: Journal of Biomedical Materials Research Part B: Applied Biomaterials. 2012 ; Vol. 100 B, No. 1. pp. 239-248.

Bibtex

@article{27e21d0489ab4812bdc6c0e00bf38d4c,
title = "Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite",
abstract = "The interfacial adhesion between a restorative composite and tooth is one of the major factors that determine the ultimate performance of composite restoration. A novel polyurethane (PU) composite material was prepared by chemically binding the nano-hydroxyapatite (nHA) to the diisocyanate component in the PU backbone by utilizing solvent polymerization. The procedure involved stepwise addition of monomeric units of the PU and optimizing the reagent concentrations. The resultant materials were characterized structurally (Raman Spectroscopy) and in vitro bioactive analysis was conducted in modified-simulated body fluid for periodical time intervals. The in vitro study evaluated the push-out bond strength of existing obturating material and novel covalently linked PU/nHA composites to dentin after long-term storage in deionized water and artificial saliva. Human extracted molar roots were filled with experimental samples and analyzed at predetermined time intervals. The shear bond strength of samples was measured and surface morphologies were evaluated. Covalent bond formation was achieved between PU and nHA without intermediate coupling agent. With the increase in concentration of nHA, the composite showed more bioactivity and adhesion toward tooth structure. Bond strength of this new composite were in accordance with obutrating material, therefore, the material can be used as an obturating material because of its direct adhesion with tooth structure. {\textcopyright} 2011 Wiley Periodicals, Inc.",
keywords = "bioactivity, nano-hydroxyapatite, polyurethane, Raman spectroscopy, tooth adhesion, Adhesion analysis, Artificial saliva, Bioactive composites, Composite restorations, Covalent bond formation, Diisocyanates, In-vitro, Interfacial adhesions, Intermediate coupling, Long-term storage, Major factors, Monomeric units, Nano-hydroxyapatite, Polyurethane composites, Push-out, Reagent concentration, Restorative composites, Shear bond strengths, Time interval, Tooth structure, Adhesion, Apatite, Bioactivity, Body fluids, Composite materials, Coupling agents, Deionized water, Hydroxyapatite, Nanocomposites, Polyurethanes, Raman scattering, Bond strength (materials), hydroxyapatite, nanocomposite, polyurethan, saliva substitute, article, body fluid, cell culture, chemical binding, composite material, dentin, in vitro study, microbial adhesion, molar tooth, nonhuman, polymerization, Raman spectrometry, scanning electron microscopy, thermal analysis, tooth, tooth extraction, Adhesiveness, Body Fluids, Composite Resins, Dentin, Durapatite, Humans, Materials Testing, Molar, Shear Strength, Spectrum Analysis, Raman, Tooth Root",
author = "A.S. Khan and K.R. Hassan and S.F. Bukhari and F.S.L. Wong and I.U. Rehman",
year = "2012",
doi = "10.1002/jbm.b.31945",
language = "English",
volume = "100 B",
pages = "239--248",
journal = "Journal of Biomedical Materials Research Part B: Applied Biomaterials",
issn = "1552-4973",
publisher = "John Wiley and Sons Inc.",
number = "1",

}

RIS

TY - JOUR

T1 - Structural and in vitro adhesion analysis of a novel covalently coupled bioactive composite

AU - Khan, A.S.

AU - Hassan, K.R.

AU - Bukhari, S.F.

AU - Wong, F.S.L.

AU - Rehman, I.U.

PY - 2012

Y1 - 2012

N2 - The interfacial adhesion between a restorative composite and tooth is one of the major factors that determine the ultimate performance of composite restoration. A novel polyurethane (PU) composite material was prepared by chemically binding the nano-hydroxyapatite (nHA) to the diisocyanate component in the PU backbone by utilizing solvent polymerization. The procedure involved stepwise addition of monomeric units of the PU and optimizing the reagent concentrations. The resultant materials were characterized structurally (Raman Spectroscopy) and in vitro bioactive analysis was conducted in modified-simulated body fluid for periodical time intervals. The in vitro study evaluated the push-out bond strength of existing obturating material and novel covalently linked PU/nHA composites to dentin after long-term storage in deionized water and artificial saliva. Human extracted molar roots were filled with experimental samples and analyzed at predetermined time intervals. The shear bond strength of samples was measured and surface morphologies were evaluated. Covalent bond formation was achieved between PU and nHA without intermediate coupling agent. With the increase in concentration of nHA, the composite showed more bioactivity and adhesion toward tooth structure. Bond strength of this new composite were in accordance with obutrating material, therefore, the material can be used as an obturating material because of its direct adhesion with tooth structure. © 2011 Wiley Periodicals, Inc.

AB - The interfacial adhesion between a restorative composite and tooth is one of the major factors that determine the ultimate performance of composite restoration. A novel polyurethane (PU) composite material was prepared by chemically binding the nano-hydroxyapatite (nHA) to the diisocyanate component in the PU backbone by utilizing solvent polymerization. The procedure involved stepwise addition of monomeric units of the PU and optimizing the reagent concentrations. The resultant materials were characterized structurally (Raman Spectroscopy) and in vitro bioactive analysis was conducted in modified-simulated body fluid for periodical time intervals. The in vitro study evaluated the push-out bond strength of existing obturating material and novel covalently linked PU/nHA composites to dentin after long-term storage in deionized water and artificial saliva. Human extracted molar roots were filled with experimental samples and analyzed at predetermined time intervals. The shear bond strength of samples was measured and surface morphologies were evaluated. Covalent bond formation was achieved between PU and nHA without intermediate coupling agent. With the increase in concentration of nHA, the composite showed more bioactivity and adhesion toward tooth structure. Bond strength of this new composite were in accordance with obutrating material, therefore, the material can be used as an obturating material because of its direct adhesion with tooth structure. © 2011 Wiley Periodicals, Inc.

KW - bioactivity

KW - nano-hydroxyapatite

KW - polyurethane

KW - Raman spectroscopy

KW - tooth adhesion

KW - Adhesion analysis

KW - Artificial saliva

KW - Bioactive composites

KW - Composite restorations

KW - Covalent bond formation

KW - Diisocyanates

KW - In-vitro

KW - Interfacial adhesions

KW - Intermediate coupling

KW - Long-term storage

KW - Major factors

KW - Monomeric units

KW - Nano-hydroxyapatite

KW - Polyurethane composites

KW - Push-out

KW - Reagent concentration

KW - Restorative composites

KW - Shear bond strengths

KW - Time interval

KW - Tooth structure

KW - Adhesion

KW - Apatite

KW - Bioactivity

KW - Body fluids

KW - Composite materials

KW - Coupling agents

KW - Deionized water

KW - Hydroxyapatite

KW - Nanocomposites

KW - Polyurethanes

KW - Raman scattering

KW - Bond strength (materials)

KW - hydroxyapatite

KW - nanocomposite

KW - polyurethan

KW - saliva substitute

KW - article

KW - body fluid

KW - cell culture

KW - chemical binding

KW - composite material

KW - dentin

KW - in vitro study

KW - microbial adhesion

KW - molar tooth

KW - nonhuman

KW - polymerization

KW - Raman spectrometry

KW - scanning electron microscopy

KW - thermal analysis

KW - tooth

KW - tooth extraction

KW - Adhesiveness

KW - Body Fluids

KW - Composite Resins

KW - Dentin

KW - Durapatite

KW - Humans

KW - Materials Testing

KW - Molar

KW - Shear Strength

KW - Spectrum Analysis, Raman

KW - Tooth Root

U2 - 10.1002/jbm.b.31945

DO - 10.1002/jbm.b.31945

M3 - Journal article

VL - 100 B

SP - 239

EP - 248

JO - Journal of Biomedical Materials Research Part B: Applied Biomaterials

JF - Journal of Biomedical Materials Research Part B: Applied Biomaterials

SN - 1552-4973

IS - 1

ER -