Tunnel technique with enamel matrix derivative in addition to subepithelial connective tissue graft compared with connective tissue graft alone for the treatment of multiple gingival recessions: a randomized clinical trial.

Clin Oral Investig · 2020 · PMC7666664 · PMID 32382922

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did not reach statistical significanceno p-value reported

Similar tendency was observed with respect to edema, but it did not reach statistical significance.

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