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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Chen, Xiaohui
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2022Effect of sandblasting with fluorapatite glass-ceramic powder and chemical primers/adhesives on shear bond strength of indirect repairing composite to zirconiacitations
- 2020Fluorapatite Glass-Ceramics: A New Sandblasting Approach for Zirconia Repair
- 2019Preliminary study of hydroxyapatite particles air abrasive blasting on Mg-4Zn-0.3Ca surfacecitations
- 2016Design and Synthesis of New Translucent, High Strength Leucite Glass-Ceramics
- 2016Surface properties of tricalcium phosphate and hydroxyapatite resin composites
- 2014Leucite Glass Ceramics
- 2014The Retarding Effect of Zinc Oxide on Dissolution and Apatite Formation of a Fluoride Containing Bioactive Glass
- 2014'Smart' acid-degradable zinc-releasing silicate glassescitations
- 2014Low-sodium Bioactive Glass Coatings for Titanium Implants by Grit Blasting
- 2013Remineralisation Study of a Nano-sized Hydroxyapatite and Fluoride Containing Toothpaste
- 2013Reduced wear of enamel with novel fine and nano-scale leucite glass-ceramicscitations
- 2013Crystallization of high-strength nano-scale leucite glass-ceramicscitations
- 2012Wear characteristics of fine and nano-scale high-strength leucite glass-ceramics
- 2011Crystallization and flexural strength optimization of fine-grained leucite glass-ceramics for dentistrycitations
- 2010Development and testing of multi-phase glazes for adhesive bonding to zirconia substrates
- 2010Crystallization of high-strength fine-sized leucite glass-ceramicscitations
- 2010Synthesis of nano-sized Leucite Glass-ceramics
- 2010Wear Characteristics of an Experimental High-Strength Fine-Sized Leucite Glass-Ceramic
- 2010Optimization of Novel Leucite Glass-ceramics
- 2009Effect of Glass Powder Size on Leucite Glass-Ceramic Crystallisation
- 2009Control of ceramic microstructure
- 2007Microstructure and Thermal Expansion Properties of Some Leucite Glass-Ceramics
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document
Remineralisation Study of a Nano-sized Hydroxyapatite and Fluoride Containing Toothpaste
Abstract
Objectives: Hydroxyapatite (HA) is a calcium phosphate mineral which naturally present in teeth and comprises more than 98% of the natural human enamel. Pure HA has been incorporated in different commercial dental toothpastes and oral rinses for improved teeth remineralisation and treating dentine hypersensitivity by the occlusion of dentine tubules. The aims of the present study were to investigate the enamel remineralisation and dentine tubule occlusion properties of a new commercial nano-sized HA containing products.<br/><br/>Methods: A new commercial nano-sized HA and fluoride containing toothpaste and comparative toothpaste formula (HA only and F- only) as well as an oral rinse formula (HA and F-) were prepared. The nano-sized hydroxyapatite used was characterised by Secondary Electron Microscopy (SEM), X-ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). The remineralisation study was carried out by immersing enamel blocks in toothpaste/oral rinse treatment solutions (diluted by a factor of 1:10 and 1:2 with acetic acid) for 96 hours. Fluorapatite formation was investigated by 19F MAS-NMR. The ability of the test products to occlude the dentine tubules was evaluated by a 2 minute treatment on etched dentine disks followed by SEM analysis.<br/><br/>Results: Almost identical diffraction patterns for enamel and the nano-sized HA were obtained. The HA crystallite size was found to be 36 nm. The NMR spectra confirmed that no signs of fluoride in enamel control, demineralised enamel and specimen treated with HA only toothpaste alone. Fluorapatite formation was evident for the enamel specimens treated with HA and F- containing and F- only toothpaste. The present SEM study demonstrated that a combination of HA and F- provided superior tubule occlusion compared to the control toothpaste formula.<br/><br/>Conclusion: The nano-sized HA and fluoride containing toothpaste showed evidence of both fluorapatite formation and dentine tubule occlusion.<br/>