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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 15 (2000), No. 2     15. Apr. 2000
Int J Oral Maxillofac Implants 15 (2000), No. 2  (15.04.2000)

Page 247-251

Improvement of Epidermal Adhesion by Surface Modification of Craniofacial Abutments
Klein, Martin / Hohlfeld, Thomas / Moormann, Petra / Chemist / Menneking, Horst
Craniofacial implants may present peri-implant inflammation because there is no close adhesion of the epithelium to abutments and because of bacteria infiltrating the subcutaneous tissue through the gap. Therefore an attempt was made to improve adhesion of epithelium to abutments. In an in vitro model, adhesion of epithelial cells (HaCat cells) to nonmodified and 3 modified Brånemark System abutment surfaces was quantified. It was found that more cells were adherent in sequence at silicone-coated surfaces, sandblasted surfaces, and collagen-coated (Types I and IV) surfaces than on nonmodified abutments. It was concluded that it is possible to improve epidermal adhesion to abutments through modification of abutment surfaces.

Keywords: abutments, adhesion, craniofacial implants, HaCat cells