Positive Correlation Between the Level of Interferon-Gamma and the Severity of Periodontitis

Abstract Objective: To examine the IFN-γ levels in patients with periodontitis and determine the difference in the levels of IFN-γ with the severity of the disease. Material and Methods: The study design was cross-sectional, and the sample consisted of 31 patients, aged between 18 and 64 years. Plaque index (PlI), calculus index (CI), and papillary bleeding index (PBI) were measured. Pocket depth (PD), recession, and clinical attachment loss (CAL) (mm) were measured at six sites per teeth. For mild/moderate periodontitis, pocket depth ≥4 mm in 1–3 sites was required, while the essentia...