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KMID : 0360120100320060529
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
2010 Volume.32 No. 6 p.529 ~ p.536
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Clinical Study on Implant Survival and Graft Resorption Rate After Maxillary Sinus Bone Grafting
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Lee Jae-Hwan
Chee Young-Deok
Min Seung-Ki
Oh Sung-Hwan
Kwon Dae-Keun
Jun In-Chul
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Abstract
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Purpose: The Purpose of this study is to show the total survival rate of implants with maxillary sinus grafting and the effects that reach the survival rate by classifying types of graft materials, implant type, operation method, residual bone height and evaluate graft material resorption rate after sinus grafting
Patients and Methods: 61 dental implants placed with sinus bone grafting in 24 patients at Wonkwang University Sanbon Dental Hospital were installed simultaneously or after regular healing. Various bone grafts (autograft, xenograft, allograft, alloplast) and fourth implant type(GSII, Xive, Implantium, Novel biocare) were used. All implants were investigated clinically and radiographically, being with average 20 months follow-up period after installation.
Results: 3 fixtures were lost, resulting in 95.1% cumulative survival rate of 61 osseointegrated dental implant. Survival rate according to bone material type, Implant type, operation method, residual bone height, have no statistically significant differencies. The mean preoperative residual alveolar bone height was 4.75mm, average postoperative height of graft materials 10.8mm, vertical bone resorption rate was 10% after 2 years. Resorption rate according to operation method was 7%(simultaneous) and 5%(delayed) after 1 year.
Conclusion: It can be suggested that maxillary sinus grafting may have predictable result with various bone graft materials and implant type, residual bone height, operation method
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KEYWORD
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Osseointegrated implant, Survival rate, Sinus graft, Bone resorption
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