The effects of noncrystalline calcium phosphate glass on the healing of 1-wall intrabony defects in beagle dogs

비결정성 calcium phosphate가 성견의 1면 골내낭에서의 치주조직 재생에 미치는 영향

  • Baik, Dong-Hoon (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Hwang, Sung-Joon (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Kim, Chang-Sung (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Lee, Yong-Keun (Department and Reseatch Institute of Dental Biomaterials and Bioengineering, College of Dentistry, Yonsei University) ;
  • Cho, Kyoo-Sung (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, Brain Korea 21 Project for Medical Science, College of Dentistry, Yonsei University) ;
  • Chai, Jung-Kiu (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, College of Dentistry, Yonsei University) ;
  • Kim, Chong-Kwan (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, Brain Korea 21 Project for Medical Science, College of Dentistry, Yonsei University) ;
  • Choi, Seong-Ho (Department of Periodontology, Research Institute for Periodontal Regeneration, Oral Science Research Center, Brain Korea 21 Project for Medical Science, College of Dentistry, Yonsei University)
  • 백동훈 (연세대학교 치과대학 치주과학교실) ;
  • 황성준 (연세대학교 치과대학 치주과학교실) ;
  • 김창성 (연세대학교 치과대학 치주과학교실) ;
  • 이용근 (연세대학교 치과대학 치과생체재료공학교실) ;
  • 조규성 (연세대학교 치과대학 치주과학교실, 치주조직 재생연구소, BK21의과학사업단) ;
  • 채중규 (연세대학교 치과대학 치주과학교실) ;
  • 김종관 (연세대학교 치과대학 치주과학교실, 치주조직 재생연구소, BK21의과학사업단) ;
  • 최성호 (연세대학교 치과대학 치주과학교실, 치주조직 재생연구소, BK21의과학사업단)
  • Published : 2004.03.30

Abstract

연구목적 : 이번 실험의 목적은 외과적으로 형성된 성견의 1면 골내낭에 새롭게 제조된, Ca/P 비율이 0.6인 비결정성 calcium phosphate를 적용하였을 때 치주조직의 재생에 미치는 영향을 평가하는 것이다. 연구방법 : 6마리 성견의 양측 하악 제2소구치의 원심면, 제4소구치의 근섬면에 외과적으로 1면 골내낭을 형성하여 치은박리소파술을 시행한 부위를 대조군으로, calcium phosphate만을 이식한 부위를 실험 1군, calcium phosphate와 GTR을 동반한 부위를 실험 2군으로 설정하고 실험하여 술 후 8주에 치유결과를 조직학적으로 관찰하였다. 결론 : 1. 접합상피의 치근단 이동은 대조군에서 결손부 깊이의 30.90 ${\pm}$ 9.92%, 실험 1군에서 결손부 깊이의 24.08 ${\pm}$ 9.12%, 실험 2군에서 결손부 깊이의 38.68 ${\pm}$ 12.22%로 나타났으며 대조군과 실험 1,2군간에 통계적 유의차는 없었다. 2. 결합조직 유착은 대조군에서 결손부 깊이의 36.38 ${\pm}$ 9.03%, 실험 1군에서 결손부 깊이의 26.96 ${\pm}$ 4.24%, 실험 2군에서 결손부 깊이의 27.87 ${\pm}$ 9.70%로 나타났으며 대조군과 실험 1,2군간에 통계적 유의차는 없었다. 3. 신생백악질 형성은 대조군에서 결손부 깊이의 32.92 ${\pm}$ 10.51%, 실험 1군에서 결손부 깊이의 49.16 ${\pm}$ 12.70%, 실험 2군에서 결손부 깊이의 39.62 ${\pm}$ 12.14%로 나타났으며 대조군과 실험 1군간에 통계적 유의차가 있었다. 4. 신생골 형성은 대조군에서 결손부 깊이의 27.24 ${\pm}$ 7.49%, 실험 1군에서 결손부 깊이의 43.51 ${\pm}$ 13.34%, 실험 2군에서 결손부 깊이의 36.47 ${\pm}$ 15.11%로 나타났으며 대조군과 실험 1, 2군간에 통계적 유의차는 없었다. 이상의 결과에서 볼 때, calcium phosphate glasses는 신생골 형성에는 통계적으로 유의차는 없었지만 상당히 증가된 양상을 보였고 신생백악질 형성에는 크게 기여함을 알수 있었다.

Keywords

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