A spectral analysis of the enamel, the enamel–dentin junction, and the dentin of human teeth with and without dysplasia of the connective tissue was carried out. It was established that in the case of connective tissue dysplasia in the hard tissues of teeth distinct heterogeneity is observed in the spectra. In the group with dysplasia of the connective tissue the largest changes in the IR spectra are observed in the collagen and noncollagen proteins of the organic matrix of the enamel and dentin, and in the group without dysplasia of the connective tissue greater uniformity is observed in the dentin. The biochemical abnormalities in the dentin of the lower “wisdom” teeth are explained by dysplastic-dependent disturbances of collagen formation in the hard tissues of the teeth, which leads to marked shifts in the enamel layer under the aggressive action of the oral fluid. In the group without dysplasia of the connective tissue the imbalance in the structure of the protein matrix of the tooth enamel is due only to the mineralizing effect of the oral fluid on it.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 89, No. 4, pp. 525–534, July–August, 2022. https://doi.org/10.47612/0514-7506-2022-89-4-525-534.
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Korshunov, A.S., Vagner, V.D., Kuryatnikov, K.N. et al. IR-Spectroscopic Analysis of Hard Tissues of Lower “Wisdom” Teeth at the Eruption Stage of Connective Tissue Dysplasia. J Appl Spectrosc 89, 689–697 (2022). https://doi.org/10.1007/s10812-022-01410-9
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DOI: https://doi.org/10.1007/s10812-022-01410-9