evidencegaps
Primary study · included by 1 review

Effects of smoking on clinical parameters and the gingival crevicular fluid levels of IL-6 and TNF-alpha in patients with chronic periodontitis.

Erdemir 2004 · Erdemir Ebru Olgun, Duran Ismet, Haliloglu Seyfullah · Journal of clinical periodontology · 2004

Included by

Impact of Traditional and Alternative Nicotine-Containing Product Use on Non-Surgical Periodontal Therapy: A Systematic Review and Network Meta-Analysis.
Non-Cochrane · intervention · 2026 · cited as Erdemir 2004 · Supplementary Table S1; Reference 49

The review does not say which of its outcomes this study informs.

1 including review in total.