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[The characters on histopathological changes in dental fluorosis]
1Beijing Hospital of Stomatology Capital,Institute of Medicine. Beijing 100050,China.
Shanghai Kou Qiang Yi Xue = Shanghai Journal of Stomatology
|December 1, 1993
Summary
This study observed dental fluorosis histopathology using advanced imaging. Findings reveal enamel hypomineralization and surface defects correlating with clinical severity, aiding diagnosis.
Area of Science:
- Dental Medicine
- Histopathology
- Materials Science
Background:
- Dental fluorosis is a developmental defect of enamel.
- Understanding its histopathological changes is crucial for diagnosis and management.
- Varying degrees of fluorosis present distinct microscopic features.
Purpose of the Study:
- To investigate and characterize the histopathological changes in dental fluorosis.
- To correlate microscopic findings with clinical severity indices.
- To utilize advanced imaging techniques for detailed analysis.
Main Methods:
- Utilized microradiography, scanning electron microscopy (SEM), and transmission electron microscopy (TEM).
- Examined enamel tissue from dental fluorosis cases of varying severity.
- Analyzed lesion characteristics, including hypomineralization and structural integrity.
Main Results:
- Lesions primarily affect the outer third of the enamel.
- Enamel hypoplasia, hypomineralization of enamel rods, widened inter-rod spaces, and cavities were observed.
- Enamel surfaces showed micropores and injuries, consistent with clinical observations.
Conclusions:
- Histopathological changes in dental fluorosis involve enamel hypomineralization and structural alterations.
- Clinical severity correlates with observed microscopic features.
- Findings support the use of Dean's and TF indices for indicating fluorosis severity.