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Electromagnetic stimulation is known to promote bone formation in cases of fracture and pseudoarthrosis. The possibility of using electromagnetic field to promote bone ingrowth into a porous coated implant was investigated in this study using Japanese albino rabbits. A titanium implant coated with beads of 250-300 microns in diameter around a stem of 1.7 mm in diameter was inserted into the humerus cavity of a Japanese albino rabbit. The humerus was stimulated by pulsing electromagnetic fields at 2 Gauss, 10Hz, 25 microseconds for 14 days. The circumference of grown bone into the implant was measured, and calculated in area equivalent for determination of the area of new bone. Bone ingrowth was significantly promoted by consecutive 14 days. The result suggests that electromagnetic stimulation is useful for achieving further bone ingrowth into a porous coated implant.
K Ijiri, and
S Matsunaga, and
K Fukuyama, and
S Maeda, and
T Sakou, and
M Kitano, and
I Senba
January 1988,
Journal of orthopaedic research : official publication of the Orthopaedic Research Society,
K Ijiri, and
S Matsunaga, and
K Fukuyama, and
S Maeda, and
T Sakou, and
M Kitano, and
I Senba
December 1989,
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K Ijiri, and
S Matsunaga, and
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I Senba
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I Senba
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K Ijiri, and
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I Senba
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K Ijiri, and
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M Kitano, and
I Senba
July 1976,
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K Ijiri, and
S Matsunaga, and
K Fukuyama, and
S Maeda, and
T Sakou, and
M Kitano, and
I Senba
January 1987,
Journal of orthopaedic research : official publication of the Orthopaedic Research Society,
K Ijiri, and
S Matsunaga, and
K Fukuyama, and
S Maeda, and
T Sakou, and
M Kitano, and
I Senba
April 1997,
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K Ijiri, and
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M Kitano, and
I Senba
April 1993,
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K Ijiri, and
S Matsunaga, and
K Fukuyama, and
S Maeda, and
T Sakou, and
M Kitano, and
I Senba
April 1984,
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