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Table 1 Comparison of peri-implant mucosa with physiological periodontium[3, 5]

From: Definition, etiology, prevention and treatment of peri-implantitis – a review

Peri-implant mucosa Physiological periodontium
Desmosomes and hemidesmosomes of epithelium and junctional epithelium (biological width) are linked with the contact surface
Direct bone-to-implant contact Anchoring system of root cementum, alveolar bone and desmodontic fibers
Subepithelially more collagen fibers and less fibroblasts/vessels Subepithelially more fibroblasts and vessels
Parallel collagen fibers in relation to implant surface Dentogingival, dentoperiostal, circular and transseptal fiber orientation