Long-term treatment outcomes of single maxillary buccal peri-implant soft tissue dehiscences: A 10-year prospective study.

Roccuzzo, Andrea; Mancini, Leonardo; Marruganti, Crystal; Ramieri, Guglielmo; Salvi, Giovanni E; Sculean, Anton; Roccuzzo, Mario (2024). Long-term treatment outcomes of single maxillary buccal peri-implant soft tissue dehiscences: A 10-year prospective study. Clinical implant dentistry and related research, 26(1), pp. 150-157. Wiley 10.1111/cid.13273

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INTRODUCTION

To evaluate the 10-year clinical outcomes following surgical treatment of shallow isolated peri-implant soft-tissue dehiscences (PSTD) at single tissue level dental implants.

METHODS

The baseline population included 16 patients (16 implants) displaying an isolated peri-implant maxillary buccal soft-tissue dehiscence. The recipient bed was prepared with a minimally-invasive split-thickness flap limited to the buccal aspect to stabilize the tuberosity connective tissue graft (CTG) onto the periosteum. At the end of treatment, patients were enrolled in an individualized supportive peri-implant care (SPC) program. The aesthetic outcome was evaluated on photographs by three clinicians using a visual analog scale (VAS).

RESULTS

SPC during the 10-years proceeded uneventfully in all patients. A total of 12 patients completed the 10-year examination, as 3 patients dropped-out and 1 implant was lost. Complete PSTD coverage was obtained at 7 implant sites (i.e., 58%) while the mean PSTD coverage amounted to 89.6% ± 17.1% without statistically significant differences between 1 and 10 years (p > 0.05). Stable peri-implant parameters (i.e., PD and BoP) and full-mouth scores (i.e., FMPS, FMBS) were recorded throughout the observation period (p > 0.05). The aesthetic improvements obtained in the short-term were maintained up to 10 years.

CONCLUSION

Within their limits, the present results indicate that the proposed surgical technique is a simple and reliable treatment option for the treatment of single maxillary buccal PSTDs in selected cases with positive results up to 10 years in patients under regular SPC (NCT04983758-this clinical trial was not registered prior to participant recruitment).

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