Abdelsamie, P.M., A. E. Elarab, R.O. Ibrahim, and A.R.A. Rahman. 2021. “Facial Gingival Level Evaluation With and Without Connective Tissue Graft Using Tunnel Technique on Single Immediate Implants in the Esthetic Zone: A Randomized Controlled Clinical Trial”. Journal of Osseointegration 14 (2):69-80. https://doi.org/10.23805/JO.2022.14.11.