Long-term clinical outcomes of periodontal regeneration with enamel matrix derivative: A retrospective cohort study with a mean follow-up of 10 years.

J Periodontol · 2022 · PMC9373923 · PMID 34258767

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failed to reach statistical significanceno p-value reported

Although the difference with respect to tooth loss between smokers and non‐smokers failed to reach statistical significance in the present study, a tendency is indisputable owing to the underpowered material.

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