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Related Experiment Videos

Subgingival temperature in rats with natural gingivitis

E Isogai1, H Isogai, K Hirose

  • 1Department of Preventive Dentistry, School of Dentistry, Higashi Nippon Gakuen University, Hokkaido, Japan.

Journal of Periodontology
|July 1, 1994
PubMed
Summary
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Elevated subgingival temperature in rats indicates periodontal disease. Specific bacteria like Prevotella intermedia and Fusobacterium nucleatum in dental plaque contribute to this temperature rise.

Area of Science:

  • Periodontology
  • Oral Microbiology
  • Inflammation Research

Background:

  • Elevated temperature is a known inflammation indicator.
  • Periodontal disease is a common oral inflammatory condition.
  • Subgingival temperature's role in periodontal disease requires further investigation.

Purpose of the Study:

  • To investigate the relationship between subgingival temperature and gingivitis indicators in rats.
  • To determine if specific bacteria are associated with elevated subgingival temperatures in gingivitis.

Main Methods:

  • Comparison of subgingival temperatures in rats with spontaneous gingivitis (SUS rats) and control rats (RES rats).
  • Quantification of Prevotella intermedia and Fusobacterium nucleatum percentages in subjects with varying subgingival temperatures.

Related Experiment Videos

  • Assessment of gingivitis indicators in both rat groups.

    • Main Results:

    • Subgingival temperature significantly increased in SUS rats with gingivitis compared to controls.
    • Higher mean subgingival temperatures correlated with increased percentages of Prevotella intermedia and Fusobacterium nucleatum.
    • Rats with healthy gingiva did not show elevated subgingival temperatures.

    Conclusions:

    • Elevated subgingival temperature is a potential indicator of periodontal disease in rats.
    • Dental plaque bacteria, specifically Prevotella intermedia and Fusobacterium nucleatum, contribute to increased subgingival temperatures.
    • Subgingival temperature measurement may serve as a diagnostic marker for periodontal inflammation.