通过里特维尔德分析法研究珐琅质在 Er,Cr:YSGG 激光辐照和烘箱加热条件下的晶格结构变化

IF 1.2 4区物理与天体物理 Q4 OPTICS

Laser Physics Pub Date : 2023-12-04 DOI:10.1088/1555-6611/ad0cb2

Astro Ltd, J. S. R. Neto, P. A. D. Ana, V. L. Mazzocchi, E. G. Valério, D. Zezell

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引用次数: 0

摘要

观察Er,Cr:YSGG激光辐照前后牙釉质粉的晶格和成分变化。当Ca/P比降低到接近激光辐照的理想理论值时，羟基磷灰石晶体尺寸显著减小，但晶体相没有变化。这些变化改变了材料，可以影响脱矿过程，并有助于预防龋齿和牙齿侵蚀。

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Structural changes in the crystal lattice in enamel under Er,Cr:YSGG laser irradiation and oven heated by Rietveld analysis

Changes in the crystal lattices and compositions of the dental enamel powders were evaluated after oven or Er,Cr:YSGG laser irradiation. A decrease in the Ca/P ratio to levels close to the ideal theoretical value of laser irradiation caused a considerable decrease in the hydroxyapatite crystallite size but without changes in the crystallographic phase. These changes alter the material, can affect the demineralization process, and are useful for the prevention of caries and dental erosion.

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来源期刊

Laser Physics 物理-光学

CiteScore

2.60

自引率

8.30%

发文量

127

审稿时长

2.2 months

期刊介绍： Laser Physics offers a comprehensive view of theoretical and experimental laser research and applications. Articles cover every aspect of modern laser physics and quantum electronics, emphasizing physical effects in various media (solid, gaseous, liquid) leading to the generation of laser radiation; peculiarities of propagation of laser radiation; problems involving impact of laser radiation on various substances and the emerging physical effects, including coherent ones; the applied use of lasers and laser spectroscopy; the processing and storage of information; and more. The full list of subject areas covered is as follows: -physics of lasers- fibre optics and fibre lasers- quantum optics and quantum information science- ultrafast optics and strong-field physics- nonlinear optics- physics of cold trapped atoms- laser methods in chemistry, biology, medicine and ecology- laser spectroscopy- novel laser materials and lasers- optics of nanomaterials- interaction of laser radiation with matter- laser interaction with solids- photonics