evidencegaps
Primary study · included by 1 review

Effect of scaling and root planing on the expression of anti-inflammatory cytokines (IL-4, IL-9, IL-10, and IL-13) in the gingival crevicular fluid of electronic cigarette users and non-smokers with moderate chronic periodontitis.

Al-Hamoudi 2020 · Al-Hamoudi Nawwaf, Alsahhaf Abdulaziz, Al Deeb Modhi, et al. · Journal of periodontal & implant science · 2020

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 Al-Hamoudi 2020 · Supplementary Table S1; Reference 32

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

1 including review in total.