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    In Vitro Ability of a Novel Nanohydroxyapatite Oral Rinse to Occlude Dentine Tubules. 
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    • In Vitro Ability of a Novel Nanohydroxyapatite Oral Rinse to Occlude Dentine Tubules.
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    • In Vitro Ability of a Novel Nanohydroxyapatite Oral Rinse to Occlude Dentine Tubules.
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    In Vitro Ability of a Novel Nanohydroxyapatite Oral Rinse to Occlude Dentine Tubules.

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    Published version (3.928Mb)
    Volume
    2015
    Pagination
    153284 - ?
    DOI
    10.1155/2015/153284
    Journal
    Int J Dent
    ISSN
    1687-8728
    Metadata
    Show full item record
    Abstract
    Objectives. The aim of the study was to investigate the ability of a novel nanohydroxyapatite (nHA) desensitizing oral rinse to occlude dentine tubules compared to selected commercially available desensitizing oral rinses. Methods. 25 caries-free extracted molars were sectioned into 1 mm thick dentine discs. The dentine discs (n = 25) were etched with 6% citric acid for 2 minutes and rinsed with distilled water, prior to a 30-second application of test and control oral rinses. Evaluation was by (1) Scanning Electron Microscopy (SEM) of the dentine surface and (2) fluid flow measurements through a dentine disc. Results. Most of the oral rinses failed to adequately cover the dentine surface apart from the nHa oral rinse. However the hydroxyapatite, 1.4% potassium oxalate, and arginine/PVM/MA copolymer oral rinses, appeared to be relatively more effective than the nHA test and negative control rinses (potassium nitrate) in relation to a reduction in fluid flow measurements. Conclusions. Although the novel nHA oral rinse demonstrated the ability to occlude the dentine tubules and reduce the fluid flow measurements, some of the other oral rinses appeared to demonstrate a statistically significant reduction in fluid flow through the dentine disc, in particular the arginine/PVM/MA copolymer oral rinse.
    Authors
    Hill, RG; Chen, X; Gillam, DG
    URI
    http://qmro.qmul.ac.uk/xmlui/handle/123456789/8001
    Collections
    • Centre for Oral Bioengineering [482]
    Language
    eng
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