CLINICAL USAGES OF RAMAL AUTOGENOUS BONE GRAFTS IN DENTAL IMPLANT SURGERY

임플란트 식립 수술시 하악지 자가골이식술의 임상적 활용

  • Kim, Kyoung-Won (Department of Oral and Maxillofacial Surgery, College of Medicine & Medical Research Institute, Chungbuk National University) ;
  • Lee, Eun-Young (Department of Oral and Maxillofacial Surgery, College of Medicine & Medical Research Institute, Chungbuk National University)
  • 김경원 (충북대학교 의과대학, 의학연구소 치과학교실(구강악안면외과)) ;
  • 이은영 (충북대학교 의과대학, 의학연구소 치과학교실(구강악안면외과))
  • Published : 2008.05.30

Abstract

Dental endosseous implants require sufficient alveolar bone volume and quality for complete bone coverage and initial stability. But, atrophy or resorption of alveolar bone height and width according to patient's age and period of tooth loss can prevent ideal implant placement. Bone graft procedure has been proposed before or simultaneously with the placement of dental implants in patients with insufficient alveolar bone volume. While allografts, xenografts, and alloplastic bone grafts have been proposed and studied for alveolar ridge augmentation, the use of autogenous bone grafts represents the 'gold standard' for bone augmentation procedures. Conventional bone grafts are usually harvested from distant sites such as the ilium or ribs. Recently there is a growing use of intraoral bone grafts from intraoral donor sites such as mandibular symphysis, mandibular ramus and maxillary tuberosity. We recommend that the mandibular ramus is a safe autogenous bone graft donor site for bone harvesting with low morbidity. We report various effective autogenous bone graft procedures from mandibular ramus for the implant placement on various atrophic alveolar ridges.

저자들은 잔존 치조골의 흡수 및 위축으로 통상적인 임플란트 시술이 어려운 증례에서 하악골의 하악지에서 자가골을 채취하여 이를 증례에 따라 블록형 혹은 입자형으로 골 이식술을 시행하여 다양한 증례에 적용하여 비교적 만족할 만한 임플란트 식립 수술이 가능하였던 바 이를 문헌고찰과 함께 보고하며, 본 연구에서는 다양한 술식의 임상적 활용에 대해서만 보고하였으나 향후 이러한 증례들에 대하여 보다 장기적인 추적조사와 골 이식된 부위의 골 조직의 재형성 식립된 임프란트의 보철적인 기능과 장기적인 예후에 대한보다 체계적인 연구가 필요하리라 사료된다.

Keywords

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