$OPB-K^{(R)}$가 임플랜트의 골유착 및 안정성에 미치는 영향에 관한 연구

The Effect of $OPB-K^{(R)}$ on the Osseointegration and Stability of Implant

  • 강성진 (단국대학교 치과대학 보철학교실) ;
  • 조인호 (단국대학교 치과대학 보철학교실) ;
  • 신수연 (단국대학교 치과대학 보철학교실)
  • Kang, Sung-Jin (Department of Prosthodontics, College of Dentistry, Dankook University) ;
  • Cho, In-Ho (Department of Prosthodontics, College of Dentistry, Dankook University) ;
  • Shin, Soo-Yeon (Department of Prosthodontics, College of Dentistry, Dankook University)
  • 발행 : 2008.02.29

초록

현대 치의학에서 임플랜트가 상실치 수복에 가장 효과적인 대안으로 여겨지면서, 임플랜트의 골유착을 보다 쉽게 얻기 위한 여러 연구들이 진행되고 있다. 이에 임플랜트의 형태 및 표면 처리법 등에 많은 진보가 이루어졌으며, 최근에는 임플랜트 주위골의 치유율을 높이고 골밀도를 증가시키는 약제의 개발도 보고되어, Pleurotus eryngii Quel와 Eleu- therococcus senticosus가 주성분인 $OPB-K^{(R)}$는 조골세포의 증식과 활성을 자극하고 파골세포의 생성과 활성을 억제하는 것으로 알려져 있다. 이에 본 연구에서는 특수 제작한 임플랜트를, 골다공증 유도를 위해 난소절제술을 시행한 백서 36 마리의 경골에 식립한 후 $OPB-K^{(R)}$ (Post-$Plant^{TM}$ Calcium, Oscotech, Korea)를 투여한 군을 실험군, 투여하지 않은 군을 대조군으로 2주, 4주, 6주에 $Periotest^{(R)}$, 골밀도 측정 및 조직학적 검사 등을 이용하여 골유착 정도를 비교분석하여 다음과 같은 결론을 얻었다. 1. $Periotest^{(R)}$ 측정 결과 시간이 경과함에 따라 실험군, 대조군 모두 수치가 낮아지며, 2주에서는 각 군간에 유의한 차이가 없었으나, 4 주, 6주에서는 각 군간에 유의한 차이가 관찰되었다(p<0.05). 2. 골밀도 측정결과, 난소절제에 따른 결과로 시간이 경과함에 따라 실험군, 대조군 모두 골밀도가 감소하는 경향을 나타내었으며, 2주와 4주에서는 각 군간에 유의한 차이가 없었으나, 6주에서는 각 군간에 유의한 차이가 관찰되었다(p<0.05). 3. 조직학적 검사결과 시간이 경과할수록 실험군이 대조군에 비해 골유착면에서 더 나은 소견을 보였다. 이상의 결과로 볼 때 $OPB-K^{(R)}$를 투여한 군이 대조군에 비해 임플랜트 주위 골밀도와 임플랜트 안정성면에서 더 나은 결과를 보였고 통계적으로 유의한 차이가 있었다. 임상적으로 임플랜트 식립 후 $OPB-K^{(R)}$를 환자에게 장기간 투여하는 것이 성공적인 임플랜트 시술에 좋으리라 사료된다.

Statement of problem: It has been proved that Pleurotus eryngii Quel and Eleutherococcus senticosus have antiinflammatory action and not only stimulates the proliferation and activity of osteoblast but inhibits the generation and activity of osteoclast in vitro. Pleurotus eryngii Quel and Eleutherococcus senticosus are the main component of $OPB-K^{(R)}$. Purpose: The purpose of this study was to evaluate $OPB-K^{(R)}$ which enhances the healing rate of peri-implant bone and the bone mineral density. Materials and methods: Thirty six specially designed implants were installed in the tibia of rats. The group medicated with $OPB-K^{(R)}$ was the experimental group, and that without was the control group. hen the implant stability was measured by $Periotest^{(R)}$. Bone mineral density and histological measurement were conducted at the 2nd, 4th and 6th week $Periotest^{(R)}$ and bone mineral density values were analyzed statistically with independent t-test at 95% confidence level(p<0.05). Results: The results of this study were as follows : 1. There was no statistically significant difference in $Periotest^{(R)}$. values between the experimental group and control group at the 2nd week, however, on the 4th and 6th week there was significant difference(p<0.05). 2. There was no statistically significant difference in bone mineral density between the experimental group and control group at the 2nd and 4th week, however on the 6th week there was significant difference(p<0.05). 3. Histological analysis showed difference in osseointegration on the 4th and 6th week between the groups. Conclusion: From the results, it is concluded that the $OPB-K^{(R)}$ medicated group showed statistically better results in bone density and stability than the control group. Clinically it would be better to medicate $OPB-K^{(R)}$ to patients for a long period of time after implantation to get superior results.

키워드

참고문헌

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