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Compositional and microhardness findings in tooth affected by X-linked hypophosphatemic rickets

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Compositional and microhardness findings in tooth affected by X-linked hypophosphatemic rickets

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dc.contributor.author Carvalho, Francisco-Samuel-Rodrigues es
dc.contributor.author Feitosa, Victor-Pinheiro es
dc.contributor.author Sá Roriz Fonteles, Cristiane es
dc.contributor.author Rodrigues-Ribeiro, Thyciana es
dc.contributor.author Araújo, Bruno-Sousa es
dc.contributor.author Ayala, Alejandro-Pedro es
dc.contributor.author Gurgel Costa, Fábio Wildson es
dc.date.accessioned 2021-01-25T11:09:11Z
dc.date.available 2021-01-25T11:09:11Z
dc.date.issued 2020 es
dc.identifier.citation Carvalho, Francisco-Samuel-Rodrigues ; Feitosa, Victor-Pinheiro ; Sá Roriz Fonteles, Cristiane ; Rodrigues-Ribeiro, Thyciana ; Araújo, Bruno-Sousa ; Ayala, Alejandro-Pedro ; Gurgel Costa, Fábio Wildson. Compositional and microhardness findings in tooth affected by X-linked hypophosphatemic rickets. En: Journal of Clinical and Experimental Dentistry, 12 7 2020: 688-694 es
dc.identifier.uri https://hdl.handle.net/10550/77497
dc.description.abstract This study aimed to evaluate the X-linked hypophosphatemic rickets (XLHR)-related compositional and microhardness tooth aspects. One affected and one non-affected teeth by XLHR were sectioned transversely, and each section was separated for Micro-Raman spectroscopy, Knoop microhardness and scanning electron microscopy with energy dispersive x-ray microanalysis (SEM-EDS). The outcomes of these analyses were assessed. Outcomes of Raman analysis of inorganic/organic components (~958/~1250+~1450 cm?1) and carbonate/phosphate (~1070/~958 cm?1) ratios showed areas of altered enamel and dentin (interglobular dentin, calcospherites, and mantle dentin) with an increase of inorganic content in the rickets tooth. Microhardness reduction was observed in the affected tooth, with a more evident drop in regions of mantle dentin, interglobular dentin, and calcospherites. SEM-EDS analysis showed demonstrated the absence of calcium and phosphorus in interglobular spaces. In conclusion, compositional and structural deficiencies were observed in deciduous tooth affected by XLHR. Also, it was observed the absence of hydroxyapatite in the interglobular dentin by using Raman spectroscopy analysis. es
dc.title Compositional and microhardness findings in tooth affected by X-linked hypophosphatemic rickets es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.56945 es
dc.type.hasVersion VoR es_ES

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