evidencegaps
Primary study · included by 1 review

Non-surgical periodontal treatment with and without adjunctive metronidazole in smokers and non-smokers.

Palmer 1999 · Palmer R M, Matthews J P, Wilson R F · Journal of clinical periodontology · 1999

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 Palmer 1999 · Supplementary Table S1; Reference 70

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

1 including review in total.