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Maxillary Sinus Augmentation With Calcium Phosphate Double-Coated Anorganic Bovine Bone

Comparative Multicenter Randomized Clinical Trial With Histological and Radiographic Evaluation

Pang, Kang-Mi, DDS, PhD*; Lee, Jeong-Keun, DDS, PhD; Choi, Seong-Ho, DDS, PhD; Kim, Young-Kyun, DDS, PhD§; Kim, Bong-Ju, PhD; Lee, Jong-Ho, DDS, PhD

doi: 10.1097/ID.0000000000000844
Basic and Clinical Research
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Purpose: The purpose of this study was to evaluate the clinical, histological and radiographic outcomes of the calcium phosphate double-coated anorganic bovine bone (InduCera; Oscotec Inc., Seongnam, Gyeonggi, Republic of Korea) compared with that of anorganic bovine bone (Bio-Oss; Geistlich Biomaterials, Wolhusen, Switzerland) in maxillary sinus augmentation, prospectively.

Patients and Methods: Twenty-eight sinuses in 25 patients (3 bilateral) with vertical alveolar bone height from 2 to 5 mm were included in this study. The maxillary sinus was augmented with InduCera or Bio-Oss, followed by a healing period of 6 months. Trephine cores were obtained for histomorphometric evaluation with the implant placement. Cone-beam computed tomography (CBCT) scans were taken at 1 week and 6 months after sinus augmentation.

Results: The graft sites were healed without any notable complications in both groups. In histomorphometric analysis, the area of the newly formed bone was measured as 21.37 ± 8.87% for InduCera and 23.02 ± 5.88% for Bio-Oss, with no significant differences. Radiographically, no statistically significant differences were calculated between the groups in bone height at baseline, the height of bone augmentation, the final alveolar bone height (alveolar bone height + augmented height) after 6 months in panoramic radiograph. There were also no significant differences in the shrinkage rate of the grafted area volume in CBCT.

Conclusion: Although calcium phosphate double-coated anorganic bovine bone showed no additional effect compared with anorganic bovine bone from a histological and radiographical point of view, it could be used as the bone graft material in maxillary sinus augmentation.

*Clinical Associate Professor, Department of Oral and Maxillofacial Surgery, Seoul National University Gwanak Dental Hospital, Seoul, Korea.

Professor, Department of Dentistry, Oral and Maxillofacial Surgery, School of Medicine, Ajou University, Suwon, Korea.

Professor, Department of Periodontology, College of Dentistry, Yonsei University, Seoul, Korea.

§Professor, Department of Oral and Maxillofacial Surgery, Seoul National University Bundang Hospital, Seoul, Korea.

Professor, Clinical Trial Center, Seoul National University Dental Hospital, Seoul, Korea.

Reprint requests and correspondence to: Jong-Ho Lee, DDS, PhD, Department of Oral and Maxillofacial Surgery, Clinical Trial Center, Seoul National University Dental Hospital, 101 Daehakno, Jongno-Gu, Seoul 03080, Korea, Phone: +82-2-2072-2630, Fax: +82-2-766-4948, E-mail: leejongh@snu.ac.kr

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