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X-ray microanalysis of dentine in primary teeth diagnosed Dentinogenesis Imperfecta type II

Journal article
Authors Nina Sabel
Jörgen G Norén
Agneta Robertson
David H. Cornell
Published in European Archives of Paediatric Dentistry
ISSN 1818-6300
Publication year 2019
Published at Department of Earth Sciences
Institute of Odontology, Section 3
Language en
Links dx.doi.org/10.1007/s40368-018-0392-...
Subject categories Dentistry

Abstract

Aim To analyse the elemental composition of dentine in primary teeth from children diagnosed with Dentinogenesis Imperfecta type II (DI) and from normal sound primary teeth using X-ray microanalysis. Materials and methods X-ray microanalysis of the elements C, O, Na, Mg, P, Cl, K and Ca were performed in the dentine of five normal primary teeth and in seven primary teeth diagnosed DI. The analysis was made in a low magnification in 10 points from the enamel-dentine junction/root surface toward the pulp. The data was also evaluated with an inductive analysis. Results Lower values for C were found in DI-dentine compared with normal dentine. Na had significantly higher values in DI-dentine while Mg had significantly lower values. The inductive analysis revealed that Na and Mg were the most important elements for discriminating DI-dentine from normal dentine. Conclusions Dentine in primary teeth from patients diagnosed with Dentinogenesis Imperfecta type II analysed with XRMA have lower values of C and Mg and higher values of O and Na compared with normal primary dentine.

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