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Association of Porphyromonas gingivalis with high levels of stress-induced hormone cortisol in chronic periodontitis patients.
Journal of Investigative and Clinical Dentistry 2016 November
AIM: The aim of the present study was to evaluate the association between the occurrence of periodontopathogens with cortisol levels in chronic periodontitis patients.
METHODS: Seventy-five chronic periodontitis patients were invited to participate in the present study. Cortisol levels in serum were measured using an immunoassay method. Porphyromonas gingivalis (P. gingivalis) Tannerella forsythia, Treponema denticola, and Aggregatibacter actinomycetemcomitans were detected by polymerase chain reaction using primers designed to target the respective 16S rRNA gene sequences.
RESULTS: Severe chronic periodontitis patients showed higher mean levels of cortisol (P < 0.05). Twenty-six patients had hypercortisolemia. High cortisol levels showed a positive significant correlation with P. gingivalis (r = 0.237, P < 0.01). Of the 26 patients with hypercortisolemia, 81% had P. gingivalis, of which 86% had severe chronic periodontitis (P < 0.001). There were higher levels of cortisol with the presence of P. gingivalis (478.65 ± 122.57 vs 402.58 ± 139.60, P = 0.01). The adjusted logistic regression model showed a significant association between high cortisol levels and P. gingivalis (odds ratio = 1.7, 95% confidence interval = 1.6-1.8).
CONCLUSIONS: This research offers support for the association between P. gingivalis and higher levels of cortisol in chronic periodontitis patients. These results suggest that high levels of cortisol could increase the occurrence of P. gingivalis in the biofilm.
METHODS: Seventy-five chronic periodontitis patients were invited to participate in the present study. Cortisol levels in serum were measured using an immunoassay method. Porphyromonas gingivalis (P. gingivalis) Tannerella forsythia, Treponema denticola, and Aggregatibacter actinomycetemcomitans were detected by polymerase chain reaction using primers designed to target the respective 16S rRNA gene sequences.
RESULTS: Severe chronic periodontitis patients showed higher mean levels of cortisol (P < 0.05). Twenty-six patients had hypercortisolemia. High cortisol levels showed a positive significant correlation with P. gingivalis (r = 0.237, P < 0.01). Of the 26 patients with hypercortisolemia, 81% had P. gingivalis, of which 86% had severe chronic periodontitis (P < 0.001). There were higher levels of cortisol with the presence of P. gingivalis (478.65 ± 122.57 vs 402.58 ± 139.60, P = 0.01). The adjusted logistic regression model showed a significant association between high cortisol levels and P. gingivalis (odds ratio = 1.7, 95% confidence interval = 1.6-1.8).
CONCLUSIONS: This research offers support for the association between P. gingivalis and higher levels of cortisol in chronic periodontitis patients. These results suggest that high levels of cortisol could increase the occurrence of P. gingivalis in the biofilm.
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