Journal
ACTA ODONTOLOGICA SCANDINAVICA
Volume 62, Issue 5, Pages 273-277Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00016350410000172
Keywords
crevicular fluid; IL-8; obesity; TNF alpha
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The aim of this study was to investigate the relationship between body mass index (BMI kg/m(2)), the inflammatory mediator tumor necrosis factory alpha (TNFalpha), and interleukin-8 (IL-8) in gingival crevicular fluid (GCF) from 32 obese subjects aged between 13 and 24 years. Gingival inflammation (GBI %), pathological pocket depths, and alveolar bone loss diagnosed on radiographs were recorded. The GCF was collected from six sites per subject using periopaper, and the volume was determined using Peritron 8000. The levels of TNFalpha and IL-8 were determined using ELISA kits. Within the whole group, there was no significant relationship between BMI and the variables age, GBI %, number of periodontal pockets, smoking, and the levels of TNFalpha or IL-8. In subjects with BMI greater than or equal to40, however, there was a statistically significant correlation (r = 0.74, P < 0.01) between the level of TNF alpha in GCF and BMI. The correlation coefficient between BMI and TNF alpha in subjects with BMI >= 40 differed significantly (P < 0.05) compared to that between subjects with BMI <40. The level of TNF alpha in GCF was positively correlated (P < 0.05) with BMI in subjects with no periodontal pathological pocket. No significant correlation was found between the level of IL-8 and BMI. The results indicate that BMI positively correlates with TNFalpha in GCF in the group of young subjects with BMI greater than or equal to40 as well as in the subjects with no pathological periodontal pocket (greater than or equal to4 mm) and that TNFalpha in GCF may be affected by the obese condition through a systemic effect.
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