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KMID : 1004520130290010011
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Journal of Dental Rehabilitation and Applied Science
2013 Volume.29 No. 1 p.11 ~ p.21
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A Comparison of the Implant Stability Among the Bone Density Groups: Prospective Study
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Ko Sok-Min
Park Seong-Jae
Lee In-Kyung
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Abstract
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The purpose of this study was to get a proper time when implant was loaded and superstructure was fabricated by tracing
a change of the implant stability in bone type for 1 year. We carried out RFA(resonance frequency analysis) of 67 implants
in 36 patients at the time of surgery, 2, 6, 10, 14weeks, and 1year postoperatively for each implant, and analyzed data
for different bone density. The ISQ value at the time of 10 & 14weeks postoperatively were significant(P<0.01) in
subjective grouping, while that were not significant in objective grouping(P>0.05). The change pattern of ISQ value could
be expressed y=y0+a×{1-exp(-b×x)} for 1 year in this study, ISQ value at surgery might be used to estimate the time of
superstructure fabrication consequentially.
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KEYWORD
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implant stability, bone density, Hounsfield unit, RFA(resonance frequency analysis)
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