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Related Experiment Videos

Subgingival temperature (I). Relation to baseline clinical parameters.

A D Haffajee1, S S Socransky, J M Goodson

  • 1Forsyth Dental Center, Boston, MA.

Journal of Clinical Periodontology
|July 1, 1992
PubMed
Summary

Subgingival temperature, measured with a periodontal temperature probe, was found to be lower than sublingual temperature in subjects with periodontal disease. Higher subgingival temperatures correlated with increased signs of gum inflammation and deeper periodontal pockets.

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Area of Science:

  • Periodontology
  • Biomedical Engineering

Background:

  • Periodontal disease is a common inflammatory condition affecting the gums and supporting tooth structures.
  • Assessing periodontal disease severity often involves clinical parameters like pocket depth and bleeding on probing.
  • Subgingival temperature has been explored as a potential indicator of inflammatory processes.

Purpose of the Study:

  • To investigate the relationship between subgingival temperature and various clinical parameters of periodontal disease.
  • To compare subgingival temperatures with core body temperature (sublingual temperature).

Main Methods:

  • 44 subjects (aged 14-71) were assessed for gingival redness, plaque, suppuration, bleeding on probing, pocket depth, and attachment level at 6 sites per tooth.
  • Subgingival temperatures were measured at the same sites using a periodontal temperature probe (Periotemp).

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  • Sublingual temperatures were also measured to calculate the temperature difference.

    • Main Results:

    • Mean subgingival temperature was 1.9°C lower than mean sublingual temperature across subjects.
    • Higher mean temperature differences correlated with increased plaque, redness, bleeding on probing, and attachment loss.
    • Sites with deeper periodontal pockets (>6 mm) exhibited significantly higher mean subgingival temperatures.

    Conclusions:

    • Subgingival temperature is consistently lower than core body temperature.
    • Subgingival temperature elevation may serve as a biomarker for periodontal inflammation and disease severity.
    • Further research could explore the diagnostic and prognostic value of subgingival thermometry in periodontology.