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下颌骨截除后骨膜成骨的实验 预览 被引量:2

THE OSTEOGENIC CAPACITY OF PERIOSTEUM AFTER MANDIBULECTORY——AN EXPERIMENTAL STUDY
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摘要 选用24只家兔,于右侧下颌骨嚼肌前缘与颏孔之间造成10mm×5mm大小的骨缺损,保留骨膜进行下颌骨骨膜成骨能力的研究。左侧以同样方式去骨但不保留骨膜作对照。动物最长饲养8周,分别用肉眼、X线、组织学和扫描电镜观察。所有实验侧骨缺损完全骨化,对照侧骨缺损未修复。本实验得出如下结论:①下颌骨同膜成骨是一种普遍现象;②成骨以膜内骨生成方式完成,③术后7天即有类骨质产生;④骨膜成骨伴大量血管增生;⑤骨膜成骨细胞生发层以灶性成骨开始。 In this experiment 24 rabbits were studied. The mandibular defects of 10mm×5mm, were created in both sides between tugomaxillary mulcle and mental foramen. The periosteukm was kept in the right side but was cut off in the left. The rabbits were feed- ed for 8 weeks after surgery. The osteogenic process was observed by gross: X-ray, histopathologic methods. It is found that the osteogenic precess was not oisible in the left side. Our findings suggest that: (1) mandibular periosteal osteogensis is a general law; (2) osteogenesis fulfils in the intramembranous osiffication; (3) osteogenesis begins as early as 7 days after surgery; (4) a lot of the blood vesseles form in the periosteal osteogenic prosses; (5) the bone formation starts in small loci of active osteoblasts.
作者 王卫之 孙涌泉 张子桂 张金池 Wang Weizhi, Sun Yongquan, Zhang Zigui, Zhang Jinchi(Dept. of Stomatology, Taishan Medical College)
出处 《泰山医学院学报》 1993年第4期 280-284,共5页 Journal of Taishan Medical College
关键词 骨膜 下颌骨 骨再生 成骨细胞 periosteum mandible osteogenesis osteoblast
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