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KMID : 0988720090250010041
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Journal of the Korean Academy of Stomatognathic Function and occlusion
2009 Volume.25 No. 1 p.41 ~ p.52
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Removal Torque of Mg-ion Implanted Clinical Implants with Plasma Source Ion Implantation Method
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Kim Bo-Hyun
Park Chan-Jin
Cho Lee-Ra
Kim Dae-Gon
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Abstract
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The surface treatment of titanium implant could bring out the biochemical bonding between bone and implant. The purpose of this study was to evaluate the biomechanical bone response of Mg-ion implanted implants with plasma source ion implantation method. Twelve New Zealand white rabbits were included in this study. Each rabbit received one control fixture (blasted with resorbable blasting media, RBM) and three types of Mg ion implanted fixtures in tibiae. The implants were left in place for 6 weeks before the rabbits were sacrificed. Removal torque value and resonance frequency analysis (ISQ) were compared. The repeated measured analysis of variance was used with P≤0.05 as level of statistical significance. ISQ was not different among all groups. However, the ISQ was increased after 6 weeks healing. The group had lowest ISQ value showed the greatest increment. Mg-1 implants with 9.4% retained ion dose showed significantly higher removal torque value than that of the other implants. From this results, it is concluded that the Mg-1 implants has stronger bone response than control RBM surface implant.
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KEYWORD
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ion implantation, removal torque, magnesium, RFA, RBM
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