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대한구강악안면임프란트학회지 2017 ; 21 (1) : p.24~32

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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

저자 김승민, 정재숙, 정의원, 최성호, 이중석
논문 종류 증례보고 전문 보기 21-1_24-32.pdf 21-1_24-32.pdf
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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