| Active, not recruiting | N/A | 18 | Europe | Soft tissue augmentation surgery with CTG, Soft tissue augmentation surgery with Fibro-Gide, No soft tissue augmentation | Queen Mary University of London, Geistlich Pharma AG | Tooth Loss, Dental Diseases, Wound Heal | 02/25 | 05/25 | | |
| Active, not recruiting | N/A | 60 | Europe | Simplified papilla preservation flap, SPPF, Resective periodontal flap with osseous recontouring, RPFO | Queen Mary University of London | Healing Wound, Periodontitis | 12/25 | 12/25 | | |