Abstract
Background
Hypoxia‐inducible angiogenic pathway involving hypoxia inducible factor‐1 alpha (HIF‐1α), vascular endothelial growth factor (VEGF) and tumour necrosis factor‐ alpha (TNF‐α) may regulate several biological processes related to inflammation. The present study aimed to assess the effect of non‐surgical periodontal treatment on gingival crevicular fluid (GCF) HIF‐1α, VEGF and TNF‐α levels in generalized aggressive periodontitis (G‐AgP).
Methods
20 G‐AgP patients and 20 periodontally healthy individuals were included. G‐AgP patients received scaling and root planning (SRP), per quadrant at a 1‐week‐interval, performed with ultrasonic and periodontal hand instruments. GCF samples were collected and clinical periodontal parameters including probing depth, clinical attachment level, gingival index and plaque index were recorded at baseline, 1 and 3 months after treatment. Biomarker levels in GCF were analyzed by ELISA.
Results
At baseline all clinical parameters and GCF HIF‐1α, VEGF and TNF‐α levels were significantly higher in G‐AgP patients compared to healthy control (p < 0.05). All clinical parameters improved over the 3‐month‐period in G‐AgP patients (p < 0.05). GCF HIF‐1α levels in G‐AgP reduced at 1 and 3 months post‐treatment, however, this did not reach to statistical significance (p > 0.05). GCF VEGF and TNF‐α levels remained unchanged throughout the study period (p > 0.05).
Conclusions
Within the limitations of the present study, although HIF‐1α seems to possess a potential diagnostic value for G‐AgP, it might not be a proper predictor of clinically favourable treatment outcome. SRP plus different adjunctive therapies could provide better information about the prognostic role of hypoxia‐inducible angiogenic pathway in G‐AgP.
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https://aap.onlinelibrary.wiley.com/doi/abs/10.1002/JPER.19-0521?af=R
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