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| Titel: |
Biomechanics of oral implants: a review of the literature |
| Auteur: |
J. Duyck I.E. Naert H. Van Oosterwyck J. Van der Sloten M. De Cooman S. Lievens B. Puers |
| Verschenen in: |
Technology & health care |
| Paginering: | Jaargang 5 (2001) nr. 4 pagina's 253-273 |
| Jaar: |
2001-04-01 |
| Inhoud: |
Considering biomechanics of oral implants, both loading on the implant itself and the transferred load to the bone need our attention. Mastication induces vertical and transverse forces, which induce axial forces and bending moments and exert stress gradients in the implant as well as in the bone. By the use of strain gauges or piezo-electric force transducers, one succeeds in precise intra-oral force measurements which make it possible to study a wide range of varying conditions in implant dentistry. A key determinant of the success or failure of an oral implant is the way mechanical stresses are transferred to the surrounding bone. The load transfer from implants to surrounding bone depends on the type of loading, the bone-implant interface, the length and diameter of the implants, the implant shape, structure of the implant surface, the superstructure and the quality and quantity of the surrounding bone. Finite element analyses indicate maximum stress concentrations in the contact area of the implants with the cortical bone and around the apex of the implants in the trabecular bone. Although the precise mechanisms are not fully understood, it is clear that there is an adaptive remodelling response of the surrounding bone to the current situation. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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