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Comparison of two methods to measure permeability of dentin



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Macorra García, José Carlos de la y Escribano, Nuria Isabel (2002) Comparison of two methods to measure permeability of dentin. Journal of Biomedical Materials Research (Applied Biomaterials), 63 . pp. 531-534.

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Abstract: Dentin permeability was measured alternatively with two methods: a 10-ul capillary
method with visual evaluation (PC) and a motorized automatic measuring device (Flodec, FD), both interposed in a simulated perfusion system. Eight human third molar coronal fragments were connected to systems, and their permeability to distilled water
measured at 0, 5, 10, 15, 20, 25, and 29 cmH2O pressure. Resultant permeabilities (in ul/s) for
both techniques were interrelated with the use of the Passing and Bablok nonparametric method, which gives information about the range of constant and proportional errors and their 95% confidence intervals (95CI). The relationship between the methods is described by the regression formula: FD =-0.0003 + 0.945·PC, with 95CI for constant (-0.0015–0.0009) and for slope (0.738–1.168), indicating that both methods are interchangeable, although not

Tipo de documento:Artículo
Palabras clave:dentin, perfusion, permeability
Materias:Ciencias Biomédicas > Odontología > Materiales dentales
Código ID:5007
Depositado:17 Oct 2005
Última Modificación:06 Feb 2014 07:43

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