학술논문
수종 골형성 증진재의 골형성능에 관한 조직형태계측학적 연구
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- 영문명
- A STUDY OF THE EFFECTS OF SEVERAL BONE-ENHANCING AGENTS
- 발행기관
- 대한구강악안면외과학회
- 저자명
- 신민철(Min-Cheol Shin) 류동목(Dong-Mok Ryu)
- 간행물 정보
- 『대한구강악안면외과학회지』대한구강악안면외과학회지 제29권 제5호, 282~292쪽, 전체 11쪽
- 주제분류
- 의약학 > 내과학
- 파일형태
- 발행일자
- 2003.10.30
4,120원
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국문 초록
영문 초록
Several agents are in use to promote new bone formation during bone graft procedures in maxillofacial region. Among them, we have used crude BMP, PRP, and P-15 for experimentally created defects with accompanying graft materials in the rabbit model. The aim of this study is to analyze the effect of above mentioned agents on bone formation using histologic and histomorphometrical methods, thus to provide experimental support for clinical application of these agents.
Six rabbits were used as experimental animals. Four surgical defects were created on the distal femoral heads of each animal using trephine drill. The defects were filled with each agents with accompaning graft materials as experimental groups and particulate cortico-cancellous autogenous graft as control. For histomorphometric analysis, fluorescent dye was injected at 2week and 1week before sacrifice. Then, the animals were sacrificed at 2, 4 and 8weeks after surgery and histologic and histomorphometric examinations were achieved.
At two weeks after bone graft, bone formation and active remodeling process were examined in all experimental groups and the control. But the intensity of such activities of the experiments were somewhat weaker than that of the control.
In BMP group, the amount of newly formed osteoid was increased constantly and the amount was preserved constantly in PRP group. But in P-15 group, the amount of newly formed osteoid was decreased with time to 8week after surgery. Histologic findings showed superior bony quantity and quality in PRP group than that of P-15 group. MAR(Mineralization Apposition Rate) of all experimental groups were slower than that of control group. In P-15 group, constant foreign body reaction was observed at all periods and the graft material showed inwardly destroyed characteristics rather to mature.
The data from this study provide the basis for future studies for evaluating the long-term remodeling process and foreign body reactions observed in P-15 group and clinical study for predictable use of these agents.
목차
키워드
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- 다양한 방법으로 적용한 미세혈관문합술간의 개존율연구
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- 수종 골형성 증진재의 골형성능에 관한 조직형태계측학적 연구
- 구순접합술이 회전신전법에 의한 편측성 완전 구순열 수복에 미치는 영향
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- 악하림프절 전이를 동반한 하악골의 법랑모세포종
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