Trace Elements in Dental Enamel Can Be a Potential Factor of Advanced Tooth Wear

Enamel is the outermost layer of the tooth and has no ability to regenerate after tooth eruption. Its mineral composition is likely to be responsible for the enamel resistance to any agents that appear in oral cavity. The objective of this study was to compare the content of Ca, Mg, Zn and Cu in spe...

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Bibliographic Details
Published in:Minerals (Basel) 2023-01, Vol.13 (1), p.125
Main Authors: Zamojda, Elzbieta, Orywal, Karolina, Mroczko, Barbara, Sierpinska, Teresa
Format: Article
Language:English
Subjects:
Absorption spectroscopy
Acids
Aesthetics
Analytical methods
Atomic absorption spectroscopy
Biopsy
Calcium
Copper
Correlation coefficient
Correlation coefficients
Dental enamel
Dentistry
Dentition
Fluorides
Hydroxyapatite
In vivo methods and tests
Magnesium
Metabolism
Methods
Mineral composition
Oral cavity
Prostheses
Spectral analysis
Statistical analysis
Teeth
Trace elements
Wear
Wear resistance
Zinc
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Summary:Enamel is the outermost layer of the tooth and has no ability to regenerate after tooth eruption. Its mineral composition is likely to be responsible for the enamel resistance to any agents that appear in oral cavity. The objective of this study was to compare the content of Ca, Mg, Zn and Cu in specific layers of healthy and worn tooth enamel. Three groups of dental enamel samples were analyzed. The amounts of Ca, Mg and Zn in the enamel bioptates were established using atomic absorption spectroscopy after an acid biopsy technique had been applied. The concentration of Cu was established using an electrothermic method with an AA spectrometer. The analysis was carried out using parametric tests (the Pearson’s linear correlation coefficient and the t-test for the correlation coefficient). Results: A statistically significant difference was confirmed between the mean amount of zinc in severely worn dentition and all the layers in vitro and in vivo. Strong positive relationships between magnesium and zinc contents were shown at some depths. A significant difference was registered between the amount of copper in the severely worn dentitions compared to the superficial layer of the healthy teeth in vitro and in vivo. Conclusion: It appears that zinc metabolism may play an important role in enamel formation and may influence enamel’s resistance to wear after tooth eruption.
ISSN:2075-163X
2075-163X
DOI:10.3390/min13010125