We investigated the effect of stimulation with a pulsed electromagnetic field on the osseointegration of hydroxyapatite in cortical bone in rabbits. Implants were inserted into femoral cortical bone and were stimulated for six hours per day for three weeks. Electromagnetic stimulation improved osseointegration of hydroxyapatite compared with animals which did not receive this treatment in terms of direct contact with the bone, the maturity of the bone and mechanical fixation. The highest values of maximum push-out force (F-max) and ultimate shear strength (sigma(u)) were observed in the treated group and differed significantly from those of the control group at three weeks (F-max; P < 0-0001; sigma(u), p < 0.0005).
Histomorphometric and mechanical analysis of the hydroxyapatite-bone interface after electromagnetic stimulation - An experimental study in rabbits / Fini, M; Giavaresi, G; Giardino, R; Cavani, Francesco; Cadossi, R.. - In: JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME. - ISSN 0301-620X. - STAMPA. - 88B:1(2006), pp. 123-128. [10.1302/0301-620X.88B1.16496]
Histomorphometric and mechanical analysis of the hydroxyapatite-bone interface after electromagnetic stimulation - An experimental study in rabbits
CAVANI, Francesco;
2006
Abstract
We investigated the effect of stimulation with a pulsed electromagnetic field on the osseointegration of hydroxyapatite in cortical bone in rabbits. Implants were inserted into femoral cortical bone and were stimulated for six hours per day for three weeks. Electromagnetic stimulation improved osseointegration of hydroxyapatite compared with animals which did not receive this treatment in terms of direct contact with the bone, the maturity of the bone and mechanical fixation. The highest values of maximum push-out force (F-max) and ultimate shear strength (sigma(u)) were observed in the treated group and differed significantly from those of the control group at three weeks (F-max; P < 0-0001; sigma(u), p < 0.0005).Pubblicazioni consigliate
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