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PGE2 Regulates Periodontal Ligament Repair after Tooth Replantation

Journal of Dental Research · Y. Zhang, W. Wu, J. Sun, X. Chen, J. Zhang, Z. Chen · 2026-02-12

Prostaglandin E2 (PGE2) increases naturally after tooth replantation and boosts periodontal ligament stem cell growth through an EP4 receptor pathway, with potential implications for improving replantation success.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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