성견에서 치아회분말의 하악골체부 매식시 치유과정에 관한 실험적 연구

AN EXPERIMENTAL STUDY ON THE TISSUE REACTION OF TOOTHASH IMPLANTED IN MANDIBLE BODY OF THE MATURE DOG

  • 김영균 (조선대학교 치과대학 구강악안면외과학교실) ;
  • 여환호 (조선대학교 치과대학 구강악안면외과학교실) ;
  • 류종회 (조선대학교 치과대학 구강악안면외과학교실) ;
  • 이효빈 (조선대학교 치과대학 구강악안면외과학교실) ;
  • 변웅래 (조선대학교 치과대학 구강악안면외과학교실) ;
  • 조재오 (조선대학교 구강병리학교실)
  • KIM, YOUNG-KYUN (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Chosun University) ;
  • YEO, HWAN-HO (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Chosun University) ;
  • RYU, CHONG-HOY (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Chosun University) ;
  • LEE, HYO-BIN (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Chosun University) ;
  • BYUN, UNG-RAE (Dept. of Oral and Maxillofacial Surgery, College of Dentistry, Chosun University) ;
  • CHO, JAE-O (Dept. of Oral Pathology, College of Dentistry, Chosun University)
  • 발행 : 1993.06.30

초록

The purpose of this study is to evaluate whether the ashed tooth powder is utilized as an alternative material of the implant. For this purpose the author performed the experimental study to investigate the tissue response of sintered toothash and its histocompatibility. Bony defects to expose the body of marrow, $1{\times}1cm$ in size, were created in the right and left mandibular body of mature dog, and then the ashed tooth powders were filled in right side and the blood clot was filled in the left side as an control. The dogs were sacrificed at 4th, 7th, and 16th week after implantation and histologic examination was performed. The results of this study were obtained as follows : 1. Any inflammatory response was not noted after implanting of the ashed tooth powder during the whole experimental period. 2. At 4th week, ashed tooth powders were surrounded by mature connective tissue. And we could observe hydroxyapatite crystal structure within the ashed tooth powder. 3. At 7th week, we could observe that macrophage phagocyted the small granules of ashed tooth powders. 4. At 16th week, the union with host bone by growth of new trabeculae was observed. And there were remnants of ashed tooth power within some of new trabeculae.

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