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Gingival interleukin-6 concentration following phase I therapy
J L Guillot1, S M Pollock, R B Johnson
1Department of Periodontics, University of Mississippi School of Dentistry, Jackson, USA.
Journal of Periodontology
|August 1, 1995
Summary
Periodontal therapy impacts interleukin-6 (IL-6) levels. Unresolved sites showed higher gingival IL-6 tissue levels, suggesting IL-6 accumulation affects intrabony pocket resolution.
Area of Science:
- Periodontology
- Immunology
- Biochemistry
Background:
- Limited data exists on interleukin-6 (IL-6) tissue levels post-periodontal therapy.
- IL-6 is a key cytokine in inflammation and tissue remodeling.
Purpose of the Study:
- To compare gingival and gingival crevicular fluid (GCF) IL-6 concentrations in resolved versus unresolved intrabony pockets after Phase I periodontal therapy.
- To investigate the role of IL-6 in the resolution of periodontal defects.
Main Methods:
- Analysis of IL-6 in gingival tissue and GCF from patients undergoing periodontal therapy.
- Comparison between sites requiring surgery (unresolved pockets) and those not requiring surgery (resolved pockets).
Main Results:
- Unresolved sites exhibited greater IL-6 accumulation in gingival tissue compared to resolved sites (P < 0.01).
- Resolved sites showed significantly higher IL-6 levels in GCF than unresolved sites (P < 0.001).
- Histologic examination revealed more chronic inflammatory cells and widespread IL-6 in unresolved sites.
Conclusions:
- Elevated gingival tissue IL-6 levels are associated with unresolved intrabony pockets following periodontal therapy.
- IL-6 accumulation in gingival connective tissue may impede intrabony pocket resolution.
- Altered IL-6 synthesis or GCF release dynamics might influence periodontal healing outcomes.