Comparative evaluation of chorion allograft and sub-epithelial connective tissue autograft for the treatment of isolated mandibular recession with laterally closed tunnel (LCT) technique- A pilot study.

Researchers compared two grafting materials—chorion membrane and connective tissue graft—combined with a tunneling technique for treating lower jaw gum recession, finding complete root coverage in 75% of cases overall, with similar keratinized tissue gains in both groups.

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.