The Effect of Demineralized Autogenous Tooth Block Bone on Lateral Sinus Augmentation: A Retrospective Study
Year: 2025
Type: article
Abstract: When placing implants in the posterior maxilla, sinus floor elevation is often required due to insufficient alveolar bone volume. During the sinus augmentation procedure, the Schneiderian membrane is elevated, and the newly created space is filled with bone graft materials. Among various graft materials, autogenous bone is considered the most biologically suitable. However, harvesting autogenous bone can cause donor site morbidity and postoperative discomfort. Block-type autogenous tooth grafts are derived from the patient’s extracted teeth. It offers the biological stability of traditional autogenous bone while minimizing disadvantages, such as donor site risks and postoperative discomfort. Due to these advantages, block-type autogenous tooth grafts have been widely studied. We evaluated maxillary sinus augmentation outcomes using block-type autogenous tooth bone grafts in 18 patients (at Daegu Catholic University Dental Hospital) from April 2017 to October 2022. The extracted teeth were processed by creating micro-holes and demineralizing them in 0.6 N HCl for 30 minutes to produce the graft material. A lateral bony window was created using a piezoelectric surgical device, and the sinus membrane was elevated. Implants and the block-type tooth grafts were placed in the created space, and the lateral window was repositioned to complete the procedure. Postoperative clinical evaluation and radiographic analyses were conducted to assess the amount of sinus membrane elevation, gain in alveolar bone height, and osseointegration of the implants. The results demonstrated that the alveolar bone height increased in proportion to the size of the block-type graft and showed long-term stability. Even in cases of sinus membrane perforation, no postoperative complications or implant failures were observed. This study suggests that maxillary sinus augmentation using block-type autogenous tooth bone grafts offers excellent osteoinductive potential and biocompatibility, making it a highly favorable option for both clinicians and patients.
Source: Biomaterials Connect
Language: English
Subfield: Oral Surgery
Field: Dentistry
Domain: Health Sciences
Open Access status: hybrid
OpenAlex ID: W4412512639