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KMID : 0355620140400030117
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2014 Volume.40 No. 3 p.117 ~ p.122
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Resorption of bone graft after maxillary sinus grafting and simultaneous implant placement
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Kim Young-Kyun
Kim Su-Gwan
Kim Bum-Su
Jeong Kyung-In
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Abstract
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Objectives: The purpose of this study was to evaluate the sinus bone graft resorption over 3 years after two-stage implant placement.
Materials and Methods: The subjects for this study included 30 patients whose maxillary posterior ridges were too atrophic for implants. Boneadded osteotome sinus floor elevation was used in 15 maxillary sinuses, while the bone graft by lateral approach technique was used in 25 maxillary sinuses. The height from the top of the fixture to the sinus floor was estimated immediately after implant placement and the follow-up period was over 3 years. The surgery was classified with two groups: sinus bone grafting with and without autogenous bone. All implants were placed simultaneously.
Results: The mean vertical bone loss was 3.15±2.95 mm. The survival rate of implants was 94.7%.
Conclusion: The amount of bone resorption was not significantly associated with the surgical methods, the type of bone graft materials used, or sinus perforation during surgery.
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KEYWORD
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Sinus floor augmentation, Bone resorption, Dental implants
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