The Journal of the Korean dental association (대한치과의사협회지)

The Korean Dental Association (대한치과의사협회)
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Local ridge augmentation using a composite of bone substitute and collagen membrane at peri-implant dehiscence defects: a clinical, radiographic and histological analyses.

성견에서 차단막/골이식재 복합체를 이용한 임플란트 주위 골유도재생 효과: 임상적, 방사선학적, 조직학적 평가

  • Song, Young Woo (Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry) ;
  • Yoon, So-Ra (Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry) ;
  • Cha, Jae-Kook (Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry) ;
  • Lee, Jung-Seok (Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry) ;
  • Choi, Seong-Ho (Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry) ;
  • Jung, Ui-Won (Department of Periodontology, Research Institute for Periodontal Regeneration, Yonsei University College of Dentistry)
  • 송영우 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 윤소라 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 차재국 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 이중석 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 최성호 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소) ;
  • 정의원 (연세대학교 치과대학 치주과학교실, 치주조직재생연구소)
  • Received : 2017.05.08
  • Accepted : 2017.07.11
  • Published : 2017.10.01
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Abstract

Objectives : The aim of this study was to evaluate the effects of a composite of bone substitute and collagen barrier membrane (bone patch) for local ridge augmentation at peri-implant dehiscence defects on the clinical efficacy and positional stability in dogs. Materials and methods : Implant placement and ridge augmentation procedure were performed at surgically created peri-implant dehiscence defects in canine mandible (n=6). Four treatment modalities were randomly applied: i) bone patch group, ii) Guided bone regeneration (GBR) without pin fixation group (bone graft and collagen membrane), iii) GBR with pin fixation group, and iv) negative control group. After 12 weeks, clinical, micro-CT and histological analyses were performed. Results : Histologic analysis showed that bone patch group had similar results to GBR group and GBR with fixation group in terms of new bone formation. Micro-CT analysis revealed similar results to histologic analysis in terms of total volume maintenance. Operating time was shorter in bone patch group compared to GBR group and GBR with fixation groups. Conclusions : GBR using bone patch could simplify the ridge augmentation procedure with reduced operating time and equivalent biological performance compared to the conventional procedure.

Keywords

Acknowledgement

Supported by : 한국연구재단

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