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
Summary
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
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