돼지 유래 이종골 이식재를 이용한 상악동거상술과 치조제보존술을 시행한 부위의 조직학적 소견을 동반한 증례 보고
Histological Evaluation of Maxillary Sinus Lift and Ridge Preservation with Deproteinized Porcine Bone Mineral (DPBM): Case Report
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Background: Alveolar bone loss caused after tooth extraction can be overcome by maxillary sinus lift and ridge preservation. Many researchers reported implant surgery was successful at the site of bone graft. But, there are few studies with histologic findings. More research on this must be needed. Case presentation: A-78-year-old female was visited for extraction and implantation on maxillary molar area. The teeth in position 26 was extracted and the extraction socket was preserved with deproteinized porcine bone mineral (DPBM) and pedicle flap. Implant was installed at 4 months after ridge preservation and successfully maintained. Histologically, new bone and collagen fibers were found. A-52-year-old female was referred for maxillary sinus elevation on left side with infected history. One year after removal of infected graft materials, reoperation was performed for maxillary sinus lift. Four months after the operation, implant placement was successful. Histologically, new bone and many vessels were found. Conclusion: Clinical results were obtained when implants were placed after 4 months of healing period at the site of maxillary sinus lift and ridge preservation. Histologically, new bone formation was confirmed, which is favorable for initial implant fixation and the implant placement time may be shortened. In addition, xenogenous bone graft materials are considered a viable option for bone grafting.
Abstract
Background: Alveolar bone loss caused after tooth extraction can be overcome by maxillary sinus lift and ridge preservation. Many researchers reported implant surgery was successful at the site of bone graft. But, there are few studies with histologic findings. More research on this must be needed. Case presentation: A-78-year-old female was visited for extraction and implantation on maxillary molar area. The teeth in position 26 was extracted and the extraction socket was preserved with deproteinized porcine bone mineral (DPBM) and pedicle flap. Implant was installed at 4 months after ridge preservation and successfully maintained. Histologically, new bone and collagen fibers were found. A-52-year-old female was referred for maxillary sinus elevation on left side with infected history. One year after removal of infected graft materials, reoperation was performed for maxillary sinus lift. Four months after the operation, implant placement was successful. Histologically, new bone and many vessels were found. Conclusion: Clinical results were obtained when implants were placed after 4 months of healing period at the site of maxillary sinus lift and ridge preservation. Histologically, new bone formation was confirmed, which is favorable for initial implant fixation and the implant placement time may be shortened. In addition, xenogenous bone graft materials are considered a viable option for bone grafting.
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