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Regional differences in cell surface patterns in normal human sulcular epithelium

M C Sánchez-Quevedo1, G Moreu, A Campos

  • 1Department of Histology and Cell Biology, Faculty of Medicine and Dentistry, University of Granada, Spain.

Histology and Histopathology
|January 1, 1994
PubMed
Summary

Scanning electron microscopy revealed distinct cell surface patterns in human sulcular epithelium. The posterior mouth region showed a higher prevalence of microvilli, potentially linking to increased periodontal disease severity in molars.

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Area of Science:

  • Oral biology
  • Periodontology
  • Scanning electron microscopy

Background:

  • Limited studies exist on normal human sulcular epithelium cell surface patterns.
  • Precise information on pattern frequencies and regional differences is lacking.

Purpose of the Study:

  • To investigate and characterize cell surface patterns in human sulcular epithelium.
  • To identify regional variations in these patterns within the oral cavity.

Main Methods:

  • Analysis of five periodontal biopsy specimens from anterior and posterior regions of the mouth.
  • Observation of cell patterns (microvilli, microplicae, pits) in coronal and apical zones of sulcular epithelium using scanning electron microscopy.

Main Results:

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  • Three distinct cell surface patterns were identified: microvilli, microplicae, and pits.
  • The apical sulcular epithelium in the posterior mouth region exhibited a significantly higher percentage of microvilli compared to the anterior region.

    • Conclusions:

    • The prevalence of microvilli, an undifferentiated keratinocyte type, in the posterior sulcular epithelium may correlate with higher periodontal disease severity observed in molars.