Key Study

Coronally Advanced Flap with a Xenogeneic Collagen Matrix or an rhPDGF-BB Regenerative Approach for Bilateral Multiple Gingival Recessions: A Split-Mouth Clinical Feasibility Study

Authors: Shayan Barootchi | Maria Vera Rodriguez | Hamoun Sabri | Neshatafarin Manouchehri | Erfan Barootchi | Hom‑Lay Wang | Lorenzo Tavelli

Barootchi S, Rodriguez MV, Sabri H, et al. Coronally Advanced Flap with a Xenogeneic Collagen Matrix or an rhPDGF-BB Regenerative Approach for Bilateral Multiple Gingival Recessions: A Split-Mouth Clinical Feasibility Study. Int J Periodontics Restorative Dent. 2026;46(3):282-297. doi:10.11607/prd.7503

Disclaimer: These results are not guaranteed; individual outcomes may vary depending on patient circumstances. This information is for informational purposes only and may not reflect Geistlich’s official position, opinion, or recommendation. Treatment decisions are made at the physician’s discretion, based on the unique needs of each patient.

GEM 21S® has not been approved by the FDA for use in this indication, and the safety and effectiveness of GEM 21S® for use in this indication has not been established by the FDA.
Geistlich Fibro-Gide®, GEM 21S®