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Updated: Jul 14, 2026

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Isolation, Processing and Analysis of Murine Gingival Cells
Published on: July 2, 2013
Image analysis of normal exfoliated gingival cells
A Anuradha1, B Sivapathasundharam
1Department of Oral and Maxillofacial Pathology, St. Joseph Dental College, Eluru, India. anuradhaundavalli@yahoo.com
Summary
Normal gingival smears show age and sex variations in nuclear diameter, cell diameter, and nuclear-cytoplasmic ratio. These cellular changes peak in middle age and decline thereafter, with females generally exhibiting larger measurements.
Area of Science:
- Oral cytology
- Histopathology
- Cell biology
Background:
- Gingival smears offer a non-invasive method for cellular analysis.
- Understanding normal cellular variations is crucial for interpreting pathological changes.
Purpose of the Study:
- To evaluate nuclear diameter (ND), cell diameter (CD), and nuclear-cytoplasmic ratio (N:C) in normal gingival smears.
- To determine age- and sex-related variations in these parameters.
Main Methods:
- Collected gingival smears from 320 healthy individuals.
- Utilized Papanicolaou staining and image analysis software (KSlite 2.0) for measurements.
- Performed statistical analysis using ANOVA, Student's t-test, and Tukey-HSD.
Main Results:
- Nuclear diameter and cell diameter generally increased from youth to middle age (21-40), then decreased after 40.
- Nuclear-cytoplasmic ratio followed similar age-related trends.
- Females exhibited higher ND, CD, and N:C ratios compared to males, with significant differences in CD in younger age groups.
Conclusions:
- Gingival smears display distinct age-related and sex-related alterations.
- These findings provide a baseline for understanding normal cellular morphology in the gingiva.

