Estimation of volume density of interdental papilla components in patients with chronic periodontitis and interleukin‐6 (‐174G/C) gene polymorphisms
The association between interleukin‑6 (IL‑6) (‑174G/C) gene polymorphismsand level of tissue breakdown and periodontal disease progression is unknown. The present study investigated quantitative parameters of interdental papilla in chronic periodontitis (CP) patients with IL‑6 (‑174G/C) gene polymorphisms.
Materials And Methods
Sixty gingival samples were studied. After determination of IL‑6 (‑174G/C) gene polymorphisms using a tetra‑primer amplification refractory mutation system‑polymerase chain reaction (T‑ARMS‑PCR) technique, 45 gingival tissue samples of CP patients (GG and GC genotypes) were considered as case groups. Fifteen control samples were also collected from healthy individuals. After tissue processing, interdental gingival tissues were exhaustively sectioned into 4 μm‑thick sections. Ten to thirteen sections were sampled by systematic uniform random sampling and stained with Masson trichrome, and the volume density (Vv) of the gingival components was estimated using Cavalier’s point counting method. Statistical analysis was performed by Student t‑test to compare differences between groups. The significance level was set at P
There were statistically significant differences in the Vv of epithelium, connective tissue, collagenous and non‑collagenous matrix, and blood vessels between the control and CP groups (P 0.05).
Results of the current study showed that there was no association between IL‑6 (‑174G/C) gene polymorphisms and quantitative parameters of interdental papilla in CP patients.
Dental Research Journal, Volume:13 Issue: 2, Mar 2016
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