Perio & Hygiene Randomised controlled trial ✓ Peer reviewed

Tunnel Technique With Connective Tissue Graft Versus Free Gingival Graft for Multiple Gingival Recessions in the Anterior Mandible: A Randomized Clinical Trial.

Journal of periodontal research · da Silveira MI, Oliveira JA, de Oliveira Alves R, Araújo GM, de Oliveira GJPL, Pigossi SC · 2026-08-22

Both tunnel and free gingival graft techniques reduced recession depth similarly over 12 months, though free grafts gained more keratinized tissue while tunnelling showed better healing.

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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