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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1996-10-1
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pubmed:abstractText |
We hypothesized that early bone adaptation to well fixed porous-coated implants is influenced more by wound healing than by mechanical loading. To test this hypothesis, two groups of dogs with identical, hydraulically controlled porous-coated implants interference fit within distal femoral trabecular bone were used. One group had no load: the other had 35 N of load applied to the implants. At 5 weeks after surgery, the resulting adaptation of bone around the implants was quantified on a cellular basis by cytochemical analysis of type-I procollagen synthesis and on a structural basis using three-dimensional micro-computed tomography imaging. The percentage of trabecular surfaces covered by osteoblasts expressing type-I procollagen was significantly increased in bone surrounding the implant in both groups compared with contralateral control bone tissue. There was no difference between the groups with no load or 35 N of load. In addition, measures of trabecular bone structure did not differ significantly between the load and no-load groups. Taken together, these results suggest that wound healing plays a much greater role in the early response of bone to well fixed porous-coated implants than does mechanical stimulus.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0736-0266
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
14
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
654-62
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:8764877-Animals,
pubmed-meshheading:8764877-Bone Plates,
pubmed-meshheading:8764877-Bone and Bones,
pubmed-meshheading:8764877-Dogs,
pubmed-meshheading:8764877-Male,
pubmed-meshheading:8764877-Osteoblasts,
pubmed-meshheading:8764877-Procollagen,
pubmed-meshheading:8764877-Stress, Mechanical,
pubmed-meshheading:8764877-Weight-Bearing,
pubmed-meshheading:8764877-Wound Healing
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pubmed:year |
1996
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pubmed:articleTitle |
Relative effects of wound healing and mechanical stimulus on early bone response to porous-coated implants.
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pubmed:affiliation |
Orthopaedic Research Laboratory, University of Michigan, Ann Arbor 48109-0486, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
|