Efficacy of injectable platelet-rich fibrin and microneedling for thin gingival phenotype: a systematic review and meta-analysis.

A systematic review of four trials found that combining injectable platelet-rich fibrin with microneedling produced greater gingival thickness gains than injectable platelet-rich fibrin alone within three months, though evidence quality was low and effects on keratinised tissue width remained unclear.

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.