A-21 エストロゲン減少が表面電荷を制御したチタンインプラント周囲の骨形成に与える影響(インプラント,一般講演(口頭発表),第62回日本歯科理工学会学術講演会)

概要

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In this study, to assess the effect of estrogen deficiency on the osseoconduction around surface charged titanium implant, we evaluated the osteogenic capability using estrogen-deficient animal model. Ten-weeks-old Japanese white rabbit underwent either bilateral ovariectomy (OVX). After 3 months, polarized and non-polarized implants were inserted in the medial epicondyle of left and right femur region. After 6 weeks, the pull-out force was measured using universal testing machine. The pull-out force of polarized implant was 95.0±4.0 N and that of non-polarized implant was 80.5±12.7 N, indicating that the controlled surface charges may affect the pull-out force between bone and titanium implant.
2013-09-25