evidencegaps
Primary study · included by 1 review

Efficacy of lycopene as a locally delivered gel in the treatment of chronic periodontitis: smokers vs nonsmokers.

Chandra 2012 · Chandra Rampalli Viswa, Sandhya Yellarthi P, Nagarajan Sripriya, et al. · Quintessence international (Berlin, Germany : 1985) · 2012

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 Chandra 2012 · Supplementary Table S1; Reference 43

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

1 including review in total.