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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/21298
Title: The use of the replica technique to record fluid emerging from exposed dentine
Authors: V. Kerdvongbundit
S. Thiradilok
N. Vongsavan
B. Matthews
Mahidol University
University of Bristol
Keywords: Dentistry
Issue Date: 1-Aug-2004
Citation: Archives of Oral Biology. Vol.49, No.8 (2004), 613-619
Abstract: The effect of pulpal cavity pressure on structures present on etched and unetched dentine was determined in 24 human premolars in vitro. The dentine was exposed in vivo. After extraction, the pulp was removed and the crown stored in 2.5 N sodium hydroxide for 3 days to remove the odontoblasts. The pulp cavity was filled with Ringer's solution at atmospheric pressure, +30 or -5 mmHg. After 30 s-5 min a silicone-rubber impression was taken of the cavity floor and a resin cast prepared and examined in a SEM. The replicas reproduced the dentine surface accurately when there was no outward flow through dentine. With a pressure of + 30 mmHg in the pulp cavity, but not at the lower pressures, droplets were present on unetched dentine after 30 s. Droplets accumulated less rapidly on etched dentine, indicating that it may act as a sponge. © 2004 Elsevier Ltd. All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=2942715339&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/21298
ISSN: 00039969
Appears in Collections:Scopus 2001-2005

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