Zuiderveld, Elise G The influence of different soft-tissue grafting procedures at single implant placement on esthetics: A randomized controlled trial. [electronic resource] - Journal of periodontology 08 2018 - 903-914 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1943-3670 Standard No.: 10.1002/JPER.18-0061 doi Subjects--Topical Terms: CrownsDental Implantation, EndosseousDental ImplantsDental Implants, Single-ToothEsthetics, DentalHumansTreatment Outcome