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Microstructure of mineralized tissues in human primary teeth
H C Ruschel1, G D Ligocki, D L Flaminghi
1Department of Oral Histology, Lutheran University of Brazil-Canoas, Brazil. henrirus@terra.com.br
The Journal of Clinical Pediatric Dentistry
|June 18, 2011
Summary
Primary teeth exhibit unique structural features in enamel, dentin, and cementum. These histological characteristics vary between single-rooted and multi-rooted primary teeth, impacting clinical considerations.
Area of Science:
- Dental Anatomy
- Histology
- Mineralized Tissues
Background:
- Primary teeth possess distinct structural characteristics compared to permanent teeth.
- Understanding these differences is crucial for pediatric dentistry and orthodontics.
Purpose of the Study:
- To analyze the structural characteristics of enamel, dentin, and cementum in primary teeth.
- To correlate histological findings with dental type (single-rooted vs. multi-rooted).
Main Methods:
- Ground sectioning of 18 human primary teeth.
- Light microscopy analysis of mineralized tissue morphology.
- Quantitative and descriptive analysis of histological features.
Main Results:
- Enamel spindles, tufts, and lamellae were common, particularly on molar occlusal surfaces.
- The dentinoenamel junction pattern and interglobular dentin varied.
- Dead tracts and tertiary dentin were observed in single-rooted teeth, while cellular and acellular cementum appeared in both types.
Conclusions:
- Primary teeth display specific structural peculiarities.
- Further investigation into the clinical implications of these histological variations is warranted.
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