Discovery - University of Dundee - Online Publications

Library & Learning Centre

The repeatability of human dentine permeability measurement in vitro

The repeatability of human dentine permeability measurement in vitro

Research output: Contribution to journalArticle

View graph of relations

Authors

  • Taher O. Elgalaid
  • Steve L. Creanor
  • Siobhan Creanor
  • Andrew F. Hall

Research units

Info

Original languageEnglish
Pages42-48
Number of pages7
JournalJournal of Dentistry
Journal publication dateJan 2008
Volume36
Issue1
DOIs
StatePublished

Abstract

Objective: The aim of this study was to determine the repeatability of apparatus designed to assess dentine permeability at two different pressures.

Method: Forty-five human coronal tooth portions were prepared and permeability was measured at two separate time points, 5 h apart, at 14 cm H2O pressure and then at 100 cm H2O pressure. Repeatability was determined using the limits of agreement (LOA) method.

Results: The results showed equal mean permeability of 0.6 mu l at both time 1 and time 2 at 14 cm H2O pressure, and 2.7 and 2.5 mu l at time 1 and time 2, respectively, at 100 cm H2O pressure. At 14 cm H2O pressure, the LOA were (-0.4, 0.4) mu l and at 100 cm H2O pressure the LOA were (-0.2, 0.6) mu l.

Conclusion: Although repeatability measurement at 14 cm H2O pressure appeared to be acceptable, the higher permeability values at 100 cm H2O pressure may make the latter the pressure of choice despite the small bias. (c) 2007 Elsevier Ltd. All rights reserved.

Documents

Library & Learning Centre

Contact | Accessibility | Policy