Mottled Enamel: Understanding Fluoride-Induced Hypoplasia
Question. Write a note on mottled enamel.
Answer. Mottled enamel is a type of hypoplasia due to fluoride and was first described by GV Black and Frederick S Mckay.
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Etiology
It is caused due to ingestion of floride containing water during the time of tooth formation which may result in motted enamel.
Pathogenesis
Mottled enamel is due to the disturbance of ameloblasts during formative stage of tooth development.
There is histological evidence of cell development which is likely that the cell product, enamel matrix is defective or deficient. With higher level of floride, there is interference with calcification process of matrix.
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Clinical Features
- There is white flcking or spottng of enamel.
- Mild changes are manifested by white opaque areas including tooth areas.
- Moderate and severe changes showing pittng and brownish staining of teeth.
- Corroded appearance of teeth.
- Those teeth which are moderately or severely affcted may show a tendency of wear and even fracture of enamel.
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Treatment
Mottled enamel frequently becomes stained an unsightly brown color.
For cosmetic reasons it has become the practice to bleach the affected teeth with hydrogen peroxide.
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