Relationship between enamel fluorosis severity and fluoride content

Journal of Dentistry
Esperanza A Martinez-MierArmando E Soto-Rojas

Abstract

Enamel fluorosis is a hypomineralization caused by chronic exposure to high levels of fluoride during tooth development. Previous research on the relationship between enamel fluoride content and fluorosis severity has been equivocal. The current study aimed at comparing visually and histologically assessed fluorosis severity with enamel fluoride content. Extracted teeth (n=112) were visually examined using the Thylstrup and Fejerskov Index for fluorosis. Eruption status of each tooth was noted. Teeth were cut into 100 μm slices to assess histological changes with polarized light microscopy. Teeth were categorized as sound, mild, moderate, or severe fluorosis, visually and histologically. They were cut into squares (2 × 2 mm) for the determination of fluoride content (microbiopsy) at depths of 30, 60 and 90 μm from the external surface. Erupted teeth with severe fluorosis had significantly greater mean fluoride content at 30, 60 and 90 μm than sound teeth. Unerupted teeth with mild, moderate and severe fluorosis had significantly greater mean fluoride content than sound teeth at 30 μm; unerupted teeth with mild and severe fluorosis had significantly greater mean fluoride content than sound teeth at 60 μm, while only unerupted te...Continue Reading

References

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Citations

Dec 29, 2016·Biological Trace Element Research·Soraya PazConsuelo Revert
Apr 11, 2018·Biological Trace Element Research·Juedan LiJianping Ruan
Jan 6, 2019·International Journal of Oral Science·Mirali Pandya, Thomas G H Diekwisch
Nov 30, 2019·Brazilian Oral Research·Andres Felipe Millan CardenasAlessandro Dourado Loguercio

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