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Abstract
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1. A preliminary study of the use of polyvinyl plastic sponge in the transfer of osteogenic tissue from the bone marrow into the anterior eye chamber of the rat has been completed.
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2. It was found that marrow-cell infiltration of polyvinyl sponge in the femur oftwo weeks' duration (not long enough for spicule formation to take place, as indicated by control sections) produced ostcogenic fibers, spicules, and finally a compact bone after transfer as an autograft to the anterior eye chamber. However, when the sponge was implanted into the marrow cavity of the femur for onlyone week and then transferred to the anterior eye chamber, bone formation did not take place, even when the sponge was left in position for up to ten weeks. This appeared to indicate that the degree of maturity of bone-marrow tissue infiltrated into polyvinyl sponge has some bearing on its osteogenic potential.
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3. Transferring polyvinyl sponge as an autograft to the anterior eye chamber following its implantation in the marrow cavity of the femur for two weeks did not appear to alter its osteogenic potential or its rate of osteogenesis, as compared to a control section of sponge left in situ.
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4. Polyvinyl sponge was proved not to be a bone-inducting substance by itself when implanted into the anterior eye chamber for six months.
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Reference
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- (Note: The formula for EA36 in this article is incorrect. The authors in no way altered Papanicolaou's original formula,M. H. A.)
Article info
Footnotes
This investigation was supported, in part, by research grants in dentistry (No. 6105 and 5184) from the United States Public Health Service.
Identification
Copyright
© 1961 The C. V. Mosby Company. Published by Elsevier Inc.