Journal of the Korean Association of Oral and Maxillofacial Surgeons

  • 제29권4호
  • /
  • Pages.249-256
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  • 2003
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  • 2234-7550(pISSN)
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  • 2234-5930(eISSN)
대한구강악안면외과학회 (The Korean Association of Oral and Maxillofacial Surgeons)
권호 표지

Polydioxanone mesh를 이용한 구강점막의 조직 공학적 재건

TISSUE-ENGINEERED RECONSTITUTION OF ORAL MUCOSA USING POLYDIOXANONE MESH

  • 문선재 (연세대학교 치과대학 구강악안면외과학교실) ;
  • 주소연 (연세대학교 치과대학 구강병리학교실) ;
  • 김진 (연세대학교 치과대학 구강병리학교실) ;
  • 김학용 (전북대학교 섬유공학과) ;
  • 박정극 (동국대학교 화학공학과) ;
  • 차인호 (연세대학교 치과대학 구강악안면외과학교실)
  • Moon, Seon-Jae (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University) ;
  • Joo, So-Yeon (Dept. of Oral Pathology, College of Dentistry, Yonsei University) ;
  • Kim, Jin (Dept. of Oral Pathology, College of Dentistry, Yonsei University) ;
  • Kim, Hak-Yong (Dept. of Textile Engineering, Chonbuk University) ;
  • Park, Jung-Keug (Dept. of Chemical Engineering, Dongguk University) ;
  • Cha, In-Ho (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Yonsei University)
  • 발행 : 2003.08.31
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초록

The lack of sufficient oral mucosa available for intra-oral reconstruction has been dealt with by the use of skin or oral mucosa grafts harvested from donor sites but grafts requires more than one surgical procedures and could cause donor site morbidity. Many investigators have attempted to increase available soft tissue by tissue engineered skin or oral mucosa replacements for clinical applications. But, reconstructed mucosa by several methods have low physical properties such as rolling and contraction. The aims of this study were to develope an in vitro experimental model that maintains an epithelial-mesenchymal interaction by organotypic raft culture, and to characterize biologic properties of three-dimensionally cultured oral mucosa embedded with Polydioxanone mesh by histological and immunohistochemical analysis. The results were as follows; 1. Oral mucosa reconstructed by three-dimensional organotypic culture revealed similar morphologic characteristics to equvalent normal oral mucosa in the point that they show stratification and differentiation. 2. The expression of cytokeratin 10/13 and involucrin in the cultured tissue showed the same pattern with normal oral mucosa suggesting that organotypic co-culture condition is able to induce cellular differentiation. 3. After insertion of polydioxanone mesh, increased tensile strength were observed. These results suggest that three-dimensional organotypic co-culture of the oral mucosa cell lines with the dermal equvalent consisting type I collagen and fibroblasts reproduce the morphologic and immunohistochemical characteristics similar to those in vivo condition. And increased physical properties by use of polydioxanone mesh will helpful for clinical applications.

키워드

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