Results 131 to 140 of about 2,054,704 (198)

Dentinal Fluid Movement Associated with Loading of Restorations [PDF]

open access: closedJournal of Dental Research, 1991
Post-operative biting sensitivity is a significant clinical problem after placement of posterior resin composites and may be due to dentinal fluid movement. The occlusal surfaces of extracted teeth were filled with amalgam (control) or various posterior resin composites, and the movement of the dentinal fluid induced by the loading of the restorations
Ken-ichi Hirata   +4 more
semanticscholar   +4 more sources

Effect of Dentinal Fluid Composition on Dentin Demineralization in vitro

open access: closedJournal of Dental Research, 2004
Dentin demineralization is reduced by perfusion with water. We hypothesized that a simulated dentinal fluid (SDF) that contains albumin, in addition to electrolytes, would be more effective in reducing dentin demineralization than water alone, and this effect would increase with increasing flow rate of SDF.
A. R. Özok   +3 more
semanticscholar   +7 more sources

Comparison of the in vitro permeability of human dentine according to the dentinal region and the composition of the simulated dentinal fluid

open access: closedJournal of Dentistry, 2002
To compare the permeability of the occlusal and the cervical dentinal regions within the same tooth, which represent the bottom of Class I and V cavities, respectively, with two different compositions of perfusion fluid, in vitro.An occlusal and a buccal disc were cut from each extracted third molar at a level close to the pulp chamber.
A. R. Özok, M.‐K. Wu, P. R. Wesselink
semanticscholar   +8 more sources

Pain and the rate of dentinal fluid flow produced by hydrostatic pressure stimulation of exposed dentine in man

open access: closedArchives of Oral Biology, 2007
To determine the relationship between pain intensity and the rate of fluid flow through dentine in human subjects.The experiments were carried out on 16 premolars in 13 human subjects (aged 15-25 years). Dentine was exposed at the tip of the buccal cusp, etched with acid and covered with saline.
Panta Charoenlarp   +3 more
semanticscholar   +6 more sources

Minimizing Dentinal Fluid Flow Associated with Gap Formation

open access: closedJournal of Dental Research, 2006
The relationship between gap formation and outward fluid flow and procedures to minimize both phenomena were investigated in extracted human premolars restored in vitro with MOD composite restorations. We hypothesized that either glass-ionomer cement (GIC) liners or low-shrinkage composite could reduce fluid flow related to gap formation.
Diatri Nari Ratih   +2 more
semanticscholar   +5 more sources

Pharmacologic Control of Dentinal Fluid Movement and Dental Caries in Rats

open access: closedJournal of Dental Research, 1968
Parasympathetic stimulants were found to encourage the movement of fluid through the dentin from the pulp to the dentinoenamel junction. Regular treatment with a parasympathetic stimulant in rats that had all their major salivary glands removed significantly reduced the incidence of dental caries.
Ralph R. Steinman
semanticscholar   +5 more sources
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Hydrodynamics of dental dentinal fluid

Stomatology, 2023
Background. Dentinal fluid is very close in its physical and mechanical properties and composition to blood plasma, which makes it a potentially aggressive biological environment for modern adhesive systems. An in-depth study of the physiological processes of the functioning of tooth dentin remains relevant in order to solve problems associated with ...
Yu.A. Vinnichenko   +2 more
openaire   +3 more sources

Proteolytic activity profile of human dentinal fluid

open access: closedDental Materials, 2016
Polliana Mendes Cándia Scaffa   +6 more
semanticscholar   +4 more sources

Evaluation of dentinal fluid flow behaviours: a fluid-structure interaction simulation

Computer Methods in Biomechanics and Biomedical Engineering, 2013
This study uses the fluid-structure interaction (FSI) method to investigate the fluid flow in dental pulp. First, the FSI method is used for the biomechanical simulation of dental intrapulpal responses during force loading (50, 100 and 150 N) on a tooth. The results are validated by comparison with experimental outcomes.
Chih Han Chang   +3 more
openaire   +4 more sources

Fluoride uptake in dentin with and without simulating dentinal fluid flow

Clinical Oral Investigations, 1997
The aim of the present study was to compare fluoride uptake of dentin with and without simulating dentinal fluid flow. Eighty-five dentinal discs were prepared from retained human molars. Seventeen discs were used to assess baseline fluoride content (controls).
Attin, Thomas   +2 more
openaire   +5 more sources

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