[Retracted] Effects of Periodontal Treatment on Levels of Proinflammatory Cytokines in Patients with Chronic Periodontitis: A Meta-Analysis

Figure 2

Forest plots comparing the IL-6, IL-8, and TNF-α levels in the gingival crevicular fluid after treatment. (a) Interleukin- (IL-) 6 levels. (b) IL-8 levels. (c) Tumor necrosis factor- (TNF-) α levels.

(a)

(b)

(c)