• Title/Summary/Keyword: 블록형 골이식

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Implant placement in severely atrophic mandible using alveolar ridge splitting procedure and small block bone graft: A case report of 4-year follow-up (심하게 위축된 하악 구치부에 치조제 분할술과 블록형 골이식술을 이용한 임플란트 식립: 4년 관찰 증례보고)

  • Kim, Na-Hong;Bang, Joo-Hyuk;Lee, Dong-Woon
    • Journal of the Korean Academy of Esthetic Dentistry
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    • v.28 no.2
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    • pp.64-73
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    • 2019
  • Various techniques have been developed, and the development of piezo electric devices have made it possible to widen the alveolar ridge even if the residual bone is dense or if there is a lack of cancellous bone between the cortical bones. In the operation of the mandibular posterior area, the flap is easily accessible to the ramus bone, from which high quality autogenous bone can be obtained, compared to other parts. A small autologous bone block can be used with particulated bone graft material using one screw for bone regeneration instead of a large autologous bone with two screws. The tapered implant design can minimize buccal bone fracture, even in severely atrophic mandibular areas. We report a case of 4 years following implant placement with ridge splitting and small autogenous bone graft in severly atrophic mandible. This report demonstrates a case of functional and aesthetic restoration in a patient through a collaboration.

CLINICAL USAGES OF RAMAL AUTOGENOUS BONE GRAFTS IN DENTAL IMPLANT SURGERY (임플란트 식립 수술시 하악지 자가골이식술의 임상적 활용)

  • Kim, Kyoung-Won;Lee, Eun-Young
    • Maxillofacial Plastic and Reconstructive Surgery
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    • v.30 no.3
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    • pp.266-275
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    • 2008
  • 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.

Atrophic Alveolar Ridge Augmentation using Autogenous Block Bone Graft for Implant Placement (임플란트 식립을 위해 블록형 자가골이식을 이용한 퇴축된 치조골의 재건)

  • Chee, Young-Deok;Cho, Jin-Hyoung
    • Journal of Dental Rehabilitation and Applied Science
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    • v.22 no.2
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    • pp.161-171
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    • 2006
  • Endosseous implants have restored normal function and dental health to many patients. When implants were introduced as an effective treatment modality, their efficacy was limited by the amount of available bone. Today, various grafting procedures can surgically create bone width and volume. Implants can be placed in more ideal locations for successful prosthetic reconstruction. The use of autogenous bone grafts represents the "gold standard" for bone augmentation procedures. Either intraoral or extraoral sites may be considered for donor sites. Alveolar ridge augmentation using autogenous bone block, can be done during implant placement or staged with implant placement, after bone graft healing. In the staged technique, a better implant positioning and the use of wide diameter implants are possible. Alveolar ridge augmentation using autogenous block graft is a predictable way of treatment, for the atrophic alveolar ridge before implant placement. The cases presented in this article clinically demonstrate the efficacy of using a autogenous block graft in generating effective new bone fill for dental implant placement.