Primary study · included by 1 review

Effect of initial periodontal therapy on oxidative stress markers in gingival crevicular fluid, saliva, and serum in smokers and non-smokers with chronic periodontitis.

Hendek 2015 · Hendek Meltem Karsiyaka, Erdemir Ebru Olgun, Kisa Ucler, et al. · Journal of periodontology · 2015

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 Hendek 2015 · Supplementary Table S1; Reference 57; qualitative synthesis only

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

1 including review in total.