Título:
Countertorque testing and histomorphometric analysis of various implant surfaces in canines: a pilot study.
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Autor:
Pebé, Pablo
Barbot, Roberto
Trinidad, Javier
Pesquera, A.
Lucente, J.
Nishimura, R.
Nasr, H.
Barbot, Roberto
Trinidad, Javier
Pesquera, A.
Lucente, J.
Nishimura, R.
Nasr, H.
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Artículo
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Descriptores:
IMPLANTACION DENTAL ENDOOSEA
GRABADO ACIDO DENTAL
ANALISIS DE VARIANZA
ANIMALES
MATERIALES DENTALES
PERROS
FEMUR
MICROSCOPIA ELECTRONICA DE RASTREO
OSEOINTEGRACION
TITANIO
PROPIEDADES DE SUPERFICIE
GRABADO ACIDO DENTAL
ANALISIS DE VARIANZA
ANIMALES
MATERIALES DENTALES
PERROS
FEMUR
MICROSCOPIA ELECTRONICA DE RASTREO
OSEOINTEGRACION
TITANIO
PROPIEDADES DE SUPERFICIE
Año de publicación:
1997
Contenido:
Resumen:
As surface roughness may play a role in the mechanical attachment of an implant surface to bone, various implant surfaces have been prepared and analyzed by removal torque (countertorque) or push-out tests in a variety of animal model systems. Rougher surfaces generally have displayed higher mechanical testing values, indicating a stronger implant-bone interface. This pilot study was undertaken to test the countertorque values for integrated threaded implants with surfaces prepared by machining, blasting, and acid-etching, to compare the various implant surface types histomorphometrically for percentage of bone-implant contact under loaded and unloaded conditions, and to determine the degree of correlation between countertorque values and bone-implant contact with varying degrees of surface roughness. The results of this animal investigation suggest that the strength of the bone-implant interface, as determined by countertorque testing, is influenced by different surface characteristics. Acid-etched surfaces resisted countertorque forces more successfully as compared with blasted or machined surfaces. Histologic evaluation of bone contact with the various implant surfaces did not demonstrate a definite advantage for rougher surfaces in regard to percentage of bone contact at the light microscopic level.
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Implant Dent ; 6(4): 259-65, 1997.
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Citación:
Pebé, P, Barbot, R, Trinidad, J y otros."Countertorque testing and histomorphometric analysis of various implant surfaces in canines: a pilot study". Implant Dent ; 6(4): 259-65. [en línea] 1997 DOI: 10.1097/00008505-199700640-00002
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https://hdl.handle.net/20.500.12008/32480
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Licencia Creative Commons Atribución - No Comercial (CC - By-NC 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| Countertorque testing and histomorphometric analysis of various implant sufaces in canines , a pilot study.pdf | — | 909.73 KB | Adobe PDF |