Abstract

In-vivo analysis of the permanent incorporation of fluorine in tooth enamel

Highlights

  • Tooth enamel is the most mineralized tissue of the human body

  • proton induced gamma ray emission (PIGE) has proven to be outstanding for the non-destructive analysis of F content in tooth enamel down to 20 microns below the surface

  • Protons with energy of a few MeV do not induce any destruction of the tooth enamel and repeated measurements at the same location on enamel after fluoride treatments allow following the F migration

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Summary

Introduction

Tooth enamel is the most mineralized tissue of the human body. Its composition is about 96% inorganic and about 4 wt% of organic material and water. The small organic part of the enamel plays an important role in the fixation of F into the large inorganic content of hydroxyapatite crystals as explained by S. Higham and her collaborators of the School of Dentistry of the University of Liverpool who say [5]:. This procedure does not allow the study of the evolution of the F concentration after treatments with various fluoridated products The study of this evolution requires the use of a non-destructive technique of quantitative F analysis which can be repeated on the same region of the tooth enamel. Demortier G (2021) In-vivo analysis of the permanent incorporation of fluorine in tooth enamel

Experimental procedure developped at LARN
Findings
Conclusions
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