Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
권호 표지

The Study of Bone Healing Response According to the Various Surfaces of the Implant in the Mandible of the Mature Dog

성견 하악골에 식립한 다양한 임플란트 표면에서의 골 치유 양상에 관한 연구

  • Lim, Hyun-Pil (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Kim, Yong-Hak (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Vang, Mong-Sook (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Yang, Hong-So (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Park, Sang-Won (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Choi, Hong-Ran (Department of Oral Pathology, School of Dentistry, Chonnam National University)
  • 임현필 (전남대학교 치의학전문대학원 보철학교실) ;
  • 김용학 (전남대학교 치의학전문대학원 보철학교실) ;
  • 방몽숙 (전남대학교 치의학전문대학원 보철학교실) ;
  • 양홍서 (전남대학교 치의학전문대학원 보철학교실) ;
  • 박상원 (전남대학교 치의학전문대학원 보철학교실) ;
  • 최홍란 (전남대학교 치의학전문대학원 구강병리학교실)
  • Received : 2009.01.22
  • Accepted : 2009.05.25
  • Published : 2009.06.30
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Abstract

There are many reports that these implant surface treatments may affect to cellular reaction in the surface of implant. This study was done by installing the 8 type implant with the variable surface treatment, used or developed, in the mandible of the mature dog to evaluate how the method of surface treatment of the implant can affect to the bone healing by analyzing histologically and histomorphometrically and find out bone healing appearance periodically after installing implant. By using the 8 type implants which have the different surface treatment, 72 implants were installed on the mandible of 9 mature dogs, and 3 dogs were sacrificed on every 2, 4, 8 weeks. After making bone fragment by cutting and managing, we analyzed histologically, then compared with BIC(Bone to implant contact) for the histomorphometrical analysis. In the result of histological analysis, there was large amount of bone formation in good state on the adjacent area of implant in the 2 weeks testing group. At 4 weeks, although there was general bone formation, the new bone was separated with the basal bone. At 8 weeks, the new bone became matured and connected tightly to the basal bone. There was no difference in the each surface of 8 implants. In the result of histomorphometrical analysis, 2 weeks group had considerably lower value than 4 and 8 weeks group, and there was no difference between 4 and 8 weeks group. There was no difference in the each surface treatment of implants.

성공적인 임플란트 시술을 위해 최근에는 다양하게 표면 처리된 임플란트가 소개되고 있으며, 이러한 표면 처리가 임플란트 표면에서 세포 반응에 영향을 준다는 많은 보고가 있다. 본 연구는 성견 하악골에 현재 사용 중이거나 개발 중인 다양하게 표면 처리된 8종류의 임플란트를 식립하여 조직학적 및 조직계측학적 분석을 함으로써 임플란트 표면 처리 방법이 골 치유에 어떤 영향을 주는지 비교 평가하고 임플란트 식립 후 시기에 따른 골내 치유 양상을 알아보고자 하였다. 8가지의 서로 다르게 표면 처리된 임플란트를 이용하여 총 72개의 임플란트를 9마리의 성견 하악골에 식립하였고, 2주, 4주, 8주에 각각 3마리씩 희생하였다. 골편을 절단 및 처리하여 시편을 제작한 후 조직학적 분석을 하였으며, 조직계측학적 분석으로 bone to implant contact(BIC)를 측정 비교하였다. 조직학적 분석 결과 전반적으로 골 형성이 좋은 상태로 2주의 실험군에서도 임플란트의 인접부위에서 상당량의 골 형성을 볼 수 있었다. 4주의 실험군에서는 골 형성이 전반적으로 관찰되었으나, 신생골은 기저골과 구분되었고, 8주 실험군에서는 신생골이 성숙되어 기저골과 잘 연결되어 있었다. 8가지 서로 다른 임플란트에서 표면에 따른 차이는 보이지 않았다. 조직계측학적 분석 결과 2주군에서 4주군과 8주군에 비해 BIC가 유의할만하게 낮게 나타났으며 4주군과 8주군 사이에는 유의성 있는 차이를 보이지 않았다, 또한 표면 처리에 따른 차이도 보이지 않았다.

Keywords

References

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