Evaluation of crystalline indexes obtained through infrared spectroscopy and x-ray diffraction in thermally treated human tooth samples

Nancy Vargas-Becerril; José Reyes-Gasga; Ramiro García-García

doi:10.1016/j.msec.2018.12.081

Evaluation of crystalline indexes obtained through infrared spectroscopy and x-ray diffraction in thermally treated human tooth samples

Nancy Vargas-Becerril, José Reyes-Gasga, Ramiro García-García

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

The crystalline indexes obtained through infrared spectroscopy (CI _IR ) and X-ray diffraction (CI _XRD ) were used to analyze the structural changes of dentin and enamel in human teeth when subjected to heat treatments between room temperature (25 °C) to 1200 °C in atmospheric air and argon. Thermogravimetric (TGA) and differential scanning calorimetry (DSC) analyses of sound powders were also used to support the analysis. As the temperature increased, the CI _XRD increased exhibiting a behavior like that of the crystal grain size, and the CI _IR increased until the β-TCP phase appeared. These results indicated that the CI _IR was more variable to structural changes than the CI _XRD .

Original language	English
Pages (from-to)	644-649
Number of pages	6
Journal	Materials Science and Engineering C
Volume	97
DOIs	https://doi.org/10.1016/j.msec.2018.12.081
State	Published - Apr 2019
Externally published	Yes

Keywords

Crystal size
Crystalline index
Hydroxyapatite
Infrared spectroscopy
X-ray diffraction
β-TCP phase

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10.1016/j.msec.2018.12.081

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title = "Evaluation of crystalline indexes obtained through infrared spectroscopy and x-ray diffraction in thermally treated human tooth samples",

abstract = " The crystalline indexes obtained through infrared spectroscopy (CI IR ) and X-ray diffraction (CI XRD ) were used to analyze the structural changes of dentin and enamel in human teeth when subjected to heat treatments between room temperature (25 °C) to 1200 °C in atmospheric air and argon. Thermogravimetric (TGA) and differential scanning calorimetry (DSC) analyses of sound powders were also used to support the analysis. As the temperature increased, the CI XRD increased exhibiting a behavior like that of the crystal grain size, and the CI IR increased until the β-TCP phase appeared. These results indicated that the CI IR was more variable to structural changes than the CI XRD .",

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author = "Nancy Vargas-Becerril and Jos{\'e} Reyes-Gasga and Ramiro Garc{\'i}a-Garc{\'i}a",

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AU - Vargas-Becerril, Nancy

AU - Reyes-Gasga, José

AU - García-García, Ramiro

PY - 2019/4

Y1 - 2019/4

N2 - The crystalline indexes obtained through infrared spectroscopy (CI IR ) and X-ray diffraction (CI XRD ) were used to analyze the structural changes of dentin and enamel in human teeth when subjected to heat treatments between room temperature (25 °C) to 1200 °C in atmospheric air and argon. Thermogravimetric (TGA) and differential scanning calorimetry (DSC) analyses of sound powders were also used to support the analysis. As the temperature increased, the CI XRD increased exhibiting a behavior like that of the crystal grain size, and the CI IR increased until the β-TCP phase appeared. These results indicated that the CI IR was more variable to structural changes than the CI XRD .

AB - The crystalline indexes obtained through infrared spectroscopy (CI IR ) and X-ray diffraction (CI XRD ) were used to analyze the structural changes of dentin and enamel in human teeth when subjected to heat treatments between room temperature (25 °C) to 1200 °C in atmospheric air and argon. Thermogravimetric (TGA) and differential scanning calorimetry (DSC) analyses of sound powders were also used to support the analysis. As the temperature increased, the CI XRD increased exhibiting a behavior like that of the crystal grain size, and the CI IR increased until the β-TCP phase appeared. These results indicated that the CI IR was more variable to structural changes than the CI XRD .

KW - Crystal size

KW - Crystalline index

KW - Hydroxyapatite

KW - Infrared spectroscopy

KW - X-ray diffraction

KW - β-TCP phase

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Evaluation of crystalline indexes obtained through infrared spectroscopy and x-ray diffraction in thermally treated human tooth samples

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Keywords

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