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Regional quantitative histological variations in human oral mucosa
Joseph Ciano1, Brian Lee Beatty
1Department of Anatomy, New York Institute of Technology College of Osteopathic Medicine, Old Westbury, New York, New York, USA.
Anatomical Record (Hoboken, N.J. : 2007)
|November 18, 2014
Summary
Oral mucosa exhibits regional histological variations. Collagen organization and elastin composition differ significantly across oral regions, providing a baseline for comparative studies.
Area of Science:
- Histology
- Oral Biology
- Connective Tissue Research
Background:
- Oral mucosa displays regional differences due to masticatory forces.
- Previous understanding of these variations was primarily qualitative.
Purpose of the Study:
- To quantitatively assess histological variations in 15 regions of the oral mucosa.
- To establish a measurable baseline for comparative and pathological studies.
Main Methods:
- Assessment of epithelial-connective tissue junction (rete ridges counts).
- Analysis of collagen organization in the lamina propria.
- Evaluation of elastin composition in the lamina propria across multiple oral regions.
Main Results:
- Histological characteristics varied more within individuals than between them.
- Lingual gingiva showed high rete ridges and collagen organization; vestibule had high elastin.
- Hard palate had high rete ridges and collagen organization; soft palate had high elastin.
Conclusions:
- Quantitative histological differences in collagen organization and elastin composition are significant across oral regions.
- Rete ridge counts showed no significant differences.
- Collagen fiber organization was higher in most regions when teeth were present.
