A study on the improvement of enamel crystallinity by application of freeze-drying gelatin gel method.

概要

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Fluorapatite crystals were formed, and enamel crystallinity by the incorporation of fluoride was improved, by applying a newly developed freeze-drying gelatin gel method to extracted tooth enamel surfaces (group I) and also the same method to extracted tooth enamel surfaces (group II) by the use of a tray, as an easy way of adapting the gel method for clinical applications, and on enamel surfaces and cross-sectioned surfaces, including those of non-treated teeth (group III). Morphological observations were made by scanning electron microscopy, qualitative analyses by X-ray diffraction of thin layer specimens and by microarea X-ray diffraction, elemental analyses by electron probe X-ray microanalysis, and observations on contact microradiographs as well as by polarised light microscopy micrograph.<BR>As a result, it is suggested that an <I>in vivo</I> application by the use of a tray, the freeze-drying gelatin gel method would be as effective in forming fluorapatite and of improving enamel crystallinity as the gelatin gel method used at present.
歯科基礎医学会の論文