수직적 치조골 증강술로서의 Interpositional bone graft
Interpositional bone graft for vertical alveolar bone augmentat
팽준영,
소속 상세정보
팽준영 ( Paeng Jun-Young ) - 경북대학교 치의학전문대학원 구강악안면외과
KMID : 1025720140330010027
Abstract
Alveolar bone reconstruction has been one of the pre-prosthodontic treatment in the field of oral and maxillofacial surgery for a long time. However the term of alveolar bone graft was popularized with the recent advancement of implantology. The implantologist can meet frequently the cases which need alveolar bone augmentation. Sometimes the augmentation procedures show good result, but the number of failure cases increase according to the increased number of the patients. Guided bone regeneration(GBR), onlay or inlay bone graft, interpositional bone graft and distraction osteogenesis were used for alveolar bone augmentation. These methods have their own advantages and disadvantages. The reliable method must be selected depending on the alveolar bone and patient general condition and the goal of the treatment. GBR showed successful result in the cases which need relatively small amount of augmentation. The limitation of the height which can be achieved with GBR is 3∼4 mm. Onlay graft showed unreliable final result such as resorption or high rate of exposure. To overcome the disadvantages and limitation, the interpositional bone graft can be indicated depending on the ridge condition. The advantages of the interpositional bone graft may include followings. The pedicled bone segment shows relatively high resistant to infection and resorption. The crestal bone can be remained on the implant margin and more resistant to marginal bone resorption. The height of the augmentation can be achieved more than GBR to 5∼7 mm. The attached keratinized gingiva can be maintained. This presentation overviews the usefulness and technical point with literature review.
키워드
Interpositional bone graft; Vertical augmentation; Bone graft
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