Authors
Erik Klepsland Mauland, Dagmar Fosså Bunæs, Stein-Atle Lie, Anders Verket
Published in
Journal of clinical periodontology. Oct 13, 2026. Epub Oct 13, 2026.
Abstract
To investigate the role of local factors and the association with peri-implantitis and peri-implant soft-tissue dehiscence (PISTD).
A randomly selected sample of Norwegian patients who underwent implant therapy in 2014 was examined (242 patients; 732 implants). Clinical and radiographic parameters were recorded, including soft-tissue phenotype, mucosal margin mobility, connection type, platform switching, emergence angle, implant location and presence of adjacent teeth. To account for clustering of implants within patients, mixed-effects logistic regression models were applied.
Mucosal margin mobility, bone-level implants without platform switching, emergence angle > 45°, anterior implant location and daily smoking were identified as significant risk indicators for peri-implantitis. Thin soft-tissue phenotype, mucosal margin mobility, absence of adjacent teeth, peri-implantitis and external connection were detected as significant indicators for PISTD. Peri-implantitis and PISTD were present in 8.7% and 25.0% of implants, respectively.
Local factors and soft-tissue-related parameters, many modifiable during treatment planning, were associated with peri-implantitis and PISTD. Particular attention should be given to soft-tissue phenotype, connection design, platform switching and prosthetic emergence angle. The relationship between systemic and local risk factors should be further investigated.
PMID:
42869496
Bibliographic data and abstract were imported from PubMed on 14 Oct 2026.
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