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KMID : 0360120090310040306
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
2009 Volume.31 No. 4 p.306 ~ p.313
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Clinical study on survival rate of osseointegrated implants
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Choi Ji-Yeon
Koh Se-Wook
Ryu Hwun-Wook
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Abstract
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Objectives:The aim of the present review was to evaluate survival rate and various factors associated with survival of osseointegrated implants.
Patients and methods: The clinical comparisons were performed to evaluate survival rate of 794 endosseous implants that had been inserted between 2004 through 2008 in relation to sex and age of patients, position of implant, implant system and surface characteristics, length and diameter of implant, and bone graft technique.
Results: The survival rate of implant was 94.3% in posterior area of maxilla and 98.6% in posterior area of mandible by position of implant, a statistically significant difference. As to diameter of implant, survival rate was 98.4% between the 4.0 and 4.5 mm and 75.0% in larger than 5.0 mm, that was statistically significant difference. There was a statistically significant difference regard to bone graft and surgical technique. The implant survival rate was 89.0% in a placement site which performed sinus lifting, and in case of implant placement with guided bone regeneration technique and without bone grafting was 97.6% and 100% each.
Conclusion: According to these findings, this study establishes a relationship between survival rate of implant and position, surface characteristics, diameter of implant and bone graft technique.
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KEYWORD
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Osseointegrated implant, Survival rate
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