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The osseointegratio...
The osseointegration stimulatory effect of macrogeometry-modified implants : a study in the rabbit
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- Chowdhary, Ramesh (author)
- Malmö högskola,Odontologiska fakulteten (OD)
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- Jimbo, Ryo (author)
- Malmö högskola,Odontologiska fakulteten (OD)
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Thomsen, C S (author)
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Carlsson, L (author)
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- Wennerberg, Ann (author)
- Malmö högskola,Odontologiska fakulteten (OD)
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(creator_code:org_t)
- 2013-06-18
- 2014
- English.
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In: Clinical Oral Implants Research. - : John Wiley & Sons. - 0905-7161 .- 1600-0501. ; 25:9, s. 1051-5
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- OBJECTIVE: To investigate the bone stimulatory effect of compression forces through histomorphometric analyses of macrothreaded implants with microthreads in between.MATERIAL AND METHODS: Two sets of turned implants with different macrogeometries were prepared. The test group possessed microthreads in between macrothreads, and the control group had macrothreads only. The two-implant groups were placed in both the femur and the tibiae of 10 rabbits. After 4 weeks, the animals were sacrificed and were subjected to histologic processing and histomorphometry. On the prepared stained sections, the total bone area (BA), new BA and bone-to-implant (BIC) were calculated.RESULTS: The mean new BA% (SD) for the test group in the femur presented significantly higher values compared with the control group, being 32.84 (32.5) ± 6.04 and 27.31 (28.19) ± 5.66, respectively (P = 0.04). There were no differences for the new BA in the tibia or the total BA% for both bone types (P = 0.86, P = 0.131, and P = 0.131, respectively). The mean BIC% (SD) in the femur was 13.66 (11.49) ± 6.86 for the test group and 8.48 (7.92) ± 3.31 for the control group and in the tibia, 11.4 (11.88) ± 4.21 for the test group and 13.91 (12.06) ± 6.07 for the control group, respectively. There was no statistical significance among the groups tested.CONCLUSION: The modified implant macrogeometry with microthreads in between promoted effect in the femur. However, no statistical differences could be seen in the tibia, suggesting that the modification may be more effective in bone with poor bone quality, such as in the maxillary bone.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
Keyword
- histomorphometric analysis
- implant geometry alterations
- macrothread
- microthread
Publication and Content Type
- ref (subject category)
- art (subject category)
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