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Related Experiment Videos

Subgingival temperature and microbiota in initial periodontitis

M F Maiden1, A C Tanner, P J Macuch

  • 1Forsyth Dental Center, Boston, Massachusetts 02115, USA.

Journal of Clinical Periodontology
|October 31, 1998
PubMed
Summary

Subgingival temperature did not directly correlate with specific bacterial species in periodontitis. However, active periodontitis sites showed higher temperatures and deeper pockets, influenced by anatomical gradients.

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Area of Science:

  • Periodontology
  • Microbiology
  • Oral Health

Background:

  • Understanding the relationship between the oral environment and subgingival microbiota is crucial for periodontitis management.
  • Subgingival temperature is a potential factor influencing microbial composition, but its association with clinical parameters and specific bacteria remains unclear.

Purpose of the Study:

  • To investigate the association between subgingival temperature, clinical characteristics, and the subgingival microbiota in adults with periodontitis.
  • To determine if subgingival temperature influences the presence of specific bacterial species in different periodontal conditions.

Main Methods:

  • 43 adult subjects with varying gingival inflammation levels were monitored over 1 year.
  • Clinical parameters (pocket depth, attachment level, plaque, redness, bleeding) and subgingival temperature were measured at 6 sites per tooth.

Related Experiment Videos

  • Subgingival plaque samples from healthy, gingivitis, and active periodontitis sites were analyzed for 13 bacterial species using DNA probes.

    • Main Results:

    • Clinical status, pocket depth, and supragingival plaque were the primary drivers of subgingival microbiota composition.
    • No significant association was found between specific bacterial species and subgingival site temperature.
    • Active periodontitis sites exhibited higher mean subgingival temperatures and deeper pockets compared to inactive sites.
    • A weak correlation was observed between pocket depth and site temperature.
    • Anatomical temperature gradients in the mandible and maxilla were the main determinants of subgingival temperature.

    Conclusions:

    • Subgingival temperature is not a significant factor in determining the presence of specific bacterial species in periodontitis.
    • Clinical parameters like pocket depth and plaque are more influential on the subgingival microbiota.
    • Anatomical factors, not microbial activity, primarily dictate subgingival temperature variations.