Vertical Soft Tissue Augmentation With CTG vs ADM

The study aims at comparing two different approaches for vertical soft tissue augmentation at implant sites exhibiting soft tissue dehiscences: autogenous connective tissue graft vs acellular dermal matrix + enamel matrix derivative

Inclusion criteria:Age ≥ 18 yearsPeriodontally and systemically healthyFull-mouth plaque score and full-mouth bleeding score ≤ 20% (measured at four sites per tooth)Presence of single functional dental implant in the anterior with a PSTDImplants diagnosed as healthy (Berglundh et al., 2018)Exclusion criteria are:Contraindications for surgerySystemic condition (e.g. diabetes mellitus, HIV, cancer, etc) that could compromise wound healingPatients pregnant or attempting to get pregnant (self-reported)Untreated periodontitisUntreated peri-implant mucositis or peri-implantitis (Berglundh et al., 2018)Smoking, defined as self-reported daily habit. Occasional smokers won't be excludedHistory of soft tissue grafting at the implant site within the last 6 months