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首页> 中文期刊> 《国际口腔科学杂志（英文版）》 >Comparative study of chitosan/fibroin-hydroxyapatite and collagen membranes for guided bone regeneration in rat calvarial defects: micro-computed tomography analysis

Comparative study of chitosan/fibroin-hydroxyapatite and collagen membranes for guided bone regeneration in rat calvarial defects: micro-computed tomography analysis

         
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摘要

This study aimed to utilize micro-computed tomography(micro-CT)analysis to compare new bone formation in rat calvarial defects using chitosan/fibroin–hydroxyapatite(CFB–HAP)or collagen(Bio-Gide)membranes.Fifty-four(54)rats were studied.A circular bony defect(8 mm diameter)was formed in the centre of the calvaria using a trephine bur.The CFB–HAP membrane was prepared by thermally induced phase separation.In the experimental group(n518),the CFB–HAP membrane was used to cover the bony defect,and in the control group(n518),a resorbable collagen membrane(Bio-Gide)was used.In the negative control group(n518),no membrane was used.In each group,six animals were euthanized at 2,4 and 8 weeks after surgery.The specimens were then analysed using micro-CT.There were significant differences in bone volume(BV)and bone mineral density(BMD)(P,0.05)between the negative control group and the membrane groups.However,there were no significant differences between the CFB–HAP group and the collagen group.We concluded that the CFB–HAP membrane has significant potential as a guided bone regeneration(GBR)membrane.

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  • 来源
    《国际口腔科学杂志（英文版）》 |2014年第2期|87-93|共7页
  • 作者

    Jae Min Song; Sang Hun Shin; Yong Deok Kim; Jae Yeol Lee; Young Jae Baek; Sang Yong Yoon; Hong Sung Kim;

  • 作者单位

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea;

    Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University, Yangsan, Korea;

    Department of Biomaterial Science, Pusan National University, Miryang, Korea;

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