Vertical bone augmentation using GBR combined with transalveolar sinus floor elevation: a case report

doi:10.12337/zgkqzzxzz.2025.10.010

Abstract

Abstract: In cases of severe alveolar ridge resorption with concavity in the posterior maxilla, complex bone augmentation followed by delayed implant placement is often required. This article reports a case of vertical bone augmentation using guided bone regeneration (GBR) combined with transalveolar sinus floor elevation (TSFE). Three-dimensional digital analysis was performed to evaluate preoperative and 6-month postoperative imaging data. The results showed that the bone height increased from less than 1 mm preoperatively to 9.67 mm postoperatively, including a 4.41 mm increase in sinus height and a 5.26 mm increase at the alveolar crest. The grafted bone volume reached 934.22 mm³, approximately 3.4 times the original volume. This suggests that GBR combined with TSFE can achieve ideal vertical bone augmentation results and reduce treatment duration. This paper aims to provide clinical insight into bone augmentation strategies for complex posterior maxillary defects.

Key words: Guided bone regeneration (GBR), Transalveolar sinus floor elevation (TSFE), Vertical bone augmentation

Yu Fei, Wei Shibo, Zhang Xu, Guo Shuigen, Wei Hongwu, Huang Jiangqin. Vertical bone augmentation using GBR combined with transalveolar sinus floor elevation: a case report[J]. Chinese Journal of Oral Implantology, 2025, 30(5): 495-501.

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