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KMID : 0355620080340040468
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2008 Volume.34 No. 4 p.468 ~ p.474
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The graft height changes after sinus augmentation procedures using deproteinized bovine bone mineral and beta-tricalcium phosphate - A retrospective comparative study using panoramic radiography
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Kim Jong-sik
Hong Soon-Min
Park Tae-Il
Seo Hyun-Soo
Song Yun-Jung
Choi Mee-Ra
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Abstract
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Purpose: Previous clinical investigations of sinus floor augmentation have demonstrated repneumatization of grafted sinus. The aim of this study is to evaluate and compare the height changes of sinus floor after grafting with deprotenized bovine bone mineral (DBBM) and beta tricalcium phosphate (TCP).
Materials and methods: 34 sinuses in 28 patients were augmented with 100% DBBM or 100% TCP through lateral approaches. Sinusgraft height was measured before, immediately after, and 6 months after bone graft with panoramic radiography.
Result: After 6 months, the decreases of graft heights were 14.53% for DBBM group and 15.15% for TCP group. There was no statistically significant difference.
Discussion and Conclusion: Long-term stability of sinus-graft height represents an important factor for implant success. After the uses of DBBM and TCP for maxillary sinus floor augmentations, acceptable graft height maintenances were observed.
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KEYWORD
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Bonetransplantation, Maxillarysinus, Dentalimplants, Resorption, Panoramicradiography
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