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KMID : 1023820110030020076
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The Journal of Advanced Prosthodontics
2011 Volume.3 No. 2 p.76 ~ p.80
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The relationship between initial implant stability quotient values and bone-to-implant contact ratio in the rabbit tibia
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Park In-Phill
Kim Seong-Kyun
Lee Shin-Jae
Lee Joo-Hee
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Abstract
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PURPOSE: Implant stability quotient (ISQ) values have been supposed to predict implant stability. However, the relationship between ISQ values and bone-to-implant contact ratio (BIC%) which is one of the predictors of implant stability is still unclear. The aim of the present study was to evaluate initial ISQ values in relation to BIC% using rabbit model.
MATERIALS AND METHODS: Four New Zealand white rabbits received a total of 16 implants in their tibia. Immediately after implant placement ISQ values were assessed. The measurements were repeated at the time of sacrifice of the rabbits after 4 weeks. Peri-implant bone regeneration was assessed histomorphometrically by measuring BIC% and bone volume to total volume values (bone volume %). The relationships between ISQ values and the histomorphometric output were assessed, and then, the osseointegration prediction model via the initial ISQ values was processed.
RESULTS: Initial ISQ values showed significant correlation with the BIC%. The bone volume % did not show any significant association with the ISQ values.
CONCLUSION: In the limitation of this study, resonance frequency analysis is a useful clinical method to predict the BIC% values and examine the implant stability.
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KEYWORD
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Implant stability, Resonance frequency analysis, Initial ISQ values, BIC%, Rabbit tibia
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