alexa Osseointegration--communication of cells.
Biomedical Sciences

Biomedical Sciences

Journal of Biomedical Engineering and Medical Devices

Author(s): Terheyden H, Lang NP, Bierbaum S, Stadlinger B

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Abstract BACKGROUND: The article provides the scientific documentation for the 3D animated film - "Osseointegration - Communication of cells". AIM: The aim of this article and of the film is to visualise the molecular and cellular events during the healing of an osseous wound after installation of a dental implant with special emphasis on the process of osseointegration. MATERIAL AND RESULTS: In this review article for didactic reasons the concept of the four phases of a healing soft tissue wound was transferred to a bone wound after insertion of a dental implant: haemostasis, inflammatory phase, proliferative phase and remodelling phase. Wound healing throughout these phases is the result of a coordinated action of different cell types which communicate with each other by their interaction using signalling molecules like cytokines, extracellular matrix proteins and small molecules. A regular sequence of cell types controlled by adequate concentrations of signalling molecules results in undisturbed healing. Disturbed healing is associated with a continuation of the early inflammatory phase and the development of a toxic wound environment. The latter is characterized by high counts of polymorphnuclear cells, high concentrations of toxic radicals and proteolytic enzymes and low concentrations of growth factors and extracellular matrix molecules. Clinically the development of a toxic wound environment should be avoided, e.g. by antibacterial measures. DISCUSSION AND CONCLUSION: Experiencing implant osseointegration as a biological process may provide the clinician new targets to improve the therapy with dental implants. © 2011 John Wiley & Sons A/S. This article was published in Clin Oral Implants Res and referenced in Journal of Biomedical Engineering and Medical Devices

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