수여부와 블록 이식골의 동시 피질골 천공과 수여부 피질골 천공의 비교
COMPARISON THE CORTICAL PERFORATION OF BOTH THE RECIPIENT BEDS AND GRAFTS WITH THE CORTICAL PERFORATION OF ONLY THE RECIPIENT BEDS
장인걸, 이동걸, 신창훈, 홍종락,
소속 상세정보
장인걸 ( Chang In-Geul ) - 성균관대학교 의과대학 삼성서울병원 구강악안면외과
이동걸 ( Lee Dong-Geul ) - 성균관대학교 의과대학 삼성서울병원 구강악안면외과
신창훈 ( Shin Chang-Hoon ) - 성균관대학교 의과대학 삼성서울병원 구강악안면외과
홍종락 ( Hong Jong-Rak ) - 성균관대학교 의과대학 삼성서울병원 구강악안면외과
KMID : 0355620090350060467
Abstract
Purpose: The aim of this study is to compare volume and revascularization of autogenous block bone grafts in simultaneously cortical perforation of recipient beds and grafts, and only cortical perforation of recipient beds.
Materials and methods: Two block bone in 8mm diameter was harvested in both skull using trephine bur on 20 New Zealand white rabbits. Harvested block bone was grafted on both inferior border of mandible. On the left side(experimental side), cortical bone of recipient beds and graft were perforated, and on the right side(control side), the only recipient bed was perforated. The rabbits had been sacrificed and infused the India ink for the observation of revascularization at 20 day and 40 day after surgery. The specimens were processed for H-E staining and quantitative analysis(independent t-test, p<0.01) was made under an optical microscope. In additional, specimens were processed for the observation of revascularization.
Results: After 20 days, more bone volume was observed in experimental group, but no significant difference between two groups(p=0.106). There were significantly more bone volume in the experimental group at 40 days after surgery(p<0.01). After 20 days, more discrete vascular sprouts were observed in experimental side, but no difference at 40 days after surgery.
Conclusion: We conclude that the cortical perforation of both the recipient beds and grafts improve revascularization at early stage and overall graft persistence.
키워드
Block bone;Recipient beds;Cortical perforation;Revascularization
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