가토 두개골 결손부에 이식된 .-TCP의 골치유과정에서맥동전자기장의 영향에 관한 연구The effect of pulsed electromagnetic fields on β-TCP graft in rabbit cranial bone defect
- Other Titles
- The effect of pulsed electromagnetic fields on β-TCP graft in rabbit cranial bone defect
- Authors
- 김상우; 황경균; 임병섭; 박창주; 정일혁; 백승삼; 심광섭
- Issue Date
- Apr-2006
- Publisher
- 대한구강악안면외과학회
- Keywords
- Pulsed electromagnetic field (PEMF); Autogenous bone; β-tricalcium phosphate (β-TCP); Osteogenesis
- Citation
- 대한구강악안면외과학회지, v.32, no.4, pp.360 - 373
- Indexed
- KCI
- Journal Title
- 대한구강악안면외과학회지
- Volume
- 32
- Number
- 4
- Start Page
- 360
- End Page
- 373
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/181561
- ISSN
- 2234-7550
- Abstract
- The purpose of this research was to investigate whether pulsed electromagnetic field (PEMF) stimulation applied to the rabbit cranial defects grafted with β-tricalcium phosphate (β-TCP) could affect the new bone formation. With 16 New Zealand white rabbits under the same condition, bilateral calvarial bone defects were formed around the sagittal suture line. The defect on the left side was grafted with β-TCP, while on the right side was grafted by harvested autogenous bone. PEMF was applied to 8 rabbits for 8 hours per day. The bony specimen were divided into 3 groups, the group 1 was autogenous bone grafted specimen, the group 2 was β-TCP grafted with PEMF, and the group 3 was β-TCP grafted without PEMF. We investigated the bone regeneration & growth factor expression at 2, 4, 6, and 8 weeks. As a result, BMP 2 was expressed in the group 1 from 2 weeks, the group 2 from 4 weeks, and the group 3 from 6 weeks. BMP 4 was expressed in the group 1 from 2 weeks, in the group 2 and the group 3 from 4 weeks. 4. There was no significant difference in expression pattern of BMP 7, PDGF, VEGF, and TGF-β1 during grafted bone regeneration in group 1, 2, and 3. According to our results, PEMF stimulation could be effective on the new bome formation in animal study, and have a feasibility of clinical use.
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