Hard and soft tissue alterations using dual-zone concept versus connective tissue graft at maxillary immediate implant placement: A 1-year randomized clinical and volumetric trial.
Ahmed Ibrahim Aboul FettouhNoha Ayman GhallabNael Adel MinaMariam Samy AbdelmalakAbdelrahman Ali Gamaleldin AbdelrahmanAhmed Fouad ShalabyNesma ShemaisPublished in: Clinical oral implants research (2024)
Both groups demonstrated the same PES, nevertheless, volumetric analysis revealed twice total labial volume loss in DZ compared to CTG. It might be concluded that the use of CTG with IIP caused less horizontal reduction in the supra-implant complex compared to the DZ.