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KMID : 1004520130290030272
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Journal of Dental Rehabilitation and Applied Science
2013 Volume.29 No. 3 p.272 ~ p.279
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Initial Changes of Implant Stability from Installation during Early Bone Healing
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Park Chan-Jin
Kim Dae-Gon
Cho Lee-Ra
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Abstract
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The concept of implant stability was basically originated from the relative condition of bone-implant interface and has some meanings for evaluation of that interface. In addtion, it has been used for the investigation of initial bone healing process after fixture installation because a degree of micromotion around interface can affect unfavorable clinical results. The purpose of this study is to investigate the mode of initial bone healing from fixture installation through prospective trial. Thirty fixtures were consecutively installed in mandibles of 26 patients with single tooth loss area and then healing abutment were secured for one-stage surgery meothod. Resonance frequency analysis was performed with one week interval during 12 weeks and periapical radiographs were taken at each month. Although marginal bone level change was not shown through observation period (P>0.05), statistical difference of implant stability was shown through 4 and 6week (P<0.05) and was not shown after 6 week (P>0.05) according to the bone quality. Initial bone healing process is a successive process of bone resorption and favorable bone healing result might be postulated at 4 week interval after installation through RFA.
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KEYWORD
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Bone quality, Implant stability, Intial bone healing, Resonance frequency analysis
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