Regional resistances to fluid flow in human dentine in vitro

D. H. Pashley; M. J. Livingston; J. D. Greenhill

doi:10.1016/0003-9969(78)90159-0

Regional resistances to fluid flow in human dentine in vitro

D. H. Pashley, M. J. Livingston, J. D. Greenhill

Oral Biology

Research output: Contribution to journal › Article › peer-review

114 Scopus citations

Abstract

The resistance to fluid movement through dentine was analysed in terms of 3 resistances placed in series: (1) surface resistance due to the presence of debris occluding dentinal tubules, (2) an intratubular resistance due to mineralized nodules and internal irregularities within the tubules, (3) a pulpal resistance due to the presence of odontoblast processes and cell bodies within the tubule. Surface resistance accounted for 86 per cent of the total resistance. In addition, the resistance to fluid movement varied with the direction of pressure application being lowest in the enamel to pulp direction.

Original language	English (US)
Pages (from-to)	807-810
Number of pages	4
Journal	Archives of Oral Biology
Volume	23
Issue number	9
DOIs	https://doi.org/10.1016/0003-9969(78)90159-0
State	Published - 1978

ASJC Scopus subject areas

Otorhinolaryngology
Dentistry(all)
Cell Biology

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AB - The resistance to fluid movement through dentine was analysed in terms of 3 resistances placed in series: (1) surface resistance due to the presence of debris occluding dentinal tubules, (2) an intratubular resistance due to mineralized nodules and internal irregularities within the tubules, (3) a pulpal resistance due to the presence of odontoblast processes and cell bodies within the tubule. Surface resistance accounted for 86 per cent of the total resistance. In addition, the resistance to fluid movement varied with the direction of pressure application being lowest in the enamel to pulp direction.

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Regional resistances to fluid flow in human dentine in vitro

Abstract

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