Efficacy of topical application of zinc compounds for oral mucosal diseases: A systematic review and meta-analysis.

Med Oral Patol Oral Cir Bucal · 2026 · PMC12743384 · PMID 41273742

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narrowly missed statistical significanceno p-value reported

Statistically significant benefits were observed at 2 and 3 weeks, and the largest effect size was observed at 4 weeks, although the result narrowly missed statistical significance, possibly due to the limited sample size and high heterogeneity rather than a lack of therapeutic benefit.

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