Clinical Research Directory

Inclusion Criteria: * Age ≥ 18 years, * Periodontally and systemically healthy, * Full-mouth plaque score and full-mouth bleeding score ≤ 20% (measured at four sites per tooth), iv) Presence of single dental implant in the anterior area (from the first right premolar to the first left premolar) showing a PSTD, with the subjects searching for treatment of this condition, * Peri-implant papillae not flat (PSTD subclass a or b) (Zucchelli et al., 2019), vi) Implants diagnosed as healthy (Berglundh et al., 2018), * Ability to perform good oral hygiene Exclusion Criteria: * Contraindications for surgery, * Systemic condition (e.g. diabetes mellitus, HIV, cancer, etc) that could compromise wound healing, * Patients pregnant or attempting to get pregnant (self-reported), * Untreated periodontitis, * Untreated peri-implant mucositis or peri-implantitis (Berglundh et al., 2018), * Smoking, defined as self-reported daily habit. Occasional smokers won't be excluded, * History of soft tissue grafting at the implant site showing PSTD within the last 6 months. Indications for surgical intervention will be established based on patient's esthetic demands and peri-implant soft tissue phenotype.