This investigator-initiated randomized controlled clinical trial evaluated changes in peri-implant soft tissue thickness in the aesthetic zone following soft tissue augmentation. Adult patients requiring single-tooth implant therapy in the aesthetic zone were randomly assigned to receive either an autogenous connective tissue graft (CTG) or a volume-stable collagen matrix (VCMX) at the implant site. The primary objective of the study was to compare changes in peri-implant soft tissue thickness between the two treatment approaches over time. Secondary objectives included evaluation of aesthetic outcomes, clinical parameters, and treatment-related complications. The study was conducted at a single academic clinical center in Poland in accordance with Good Clinical Practice, the Declaration of Helsinki, and applicable ethical and regulatory requirements. All participants provided written informed consent prior to enrollment.
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Change in peri-implant soft tissue thickness
Timeframe: Baseline and 6 months after soft tissue augmentation