Results 191 to 200 of about 2,111,849 (272)

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

Archives 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.
Charoenlarp, P, Wanachantararak, S, Vongsavan, N, Matthews, B   +3 more
semanticscholar   +5 more sources

Influence of Dentinal Fluid and Stress on Marginal Adaptation of Resin Composites

Journal of Dental Research, 1993
The influence of dentinal fluid and of a number of stress procedures on the quality of the margins of class V restorations located in both enamel and dentin was quantitatively assessed in vitro with the aid of a scanning electron microscope. The materials tested were GLUMA 2000 experimental, Prisma Universal Bond 3, and Syntac, together with the fine ...
Krejci, Ivo, Kuster, M, Lutz, Franz Joséph   +2 more
semanticscholar   +5 more sources

Pharmacologic Control of Dentinal Fluid Movement and Dental Caries in Rats

Journal 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   +4 more sources

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Effect of Dentinal Fluid Composition on Dentin Demineralization in vitro

Journal 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.
Özok, A.R., Wu, M.K., ten Cate, J.M., Wesselink, P.R.   +3 more
openaire   +5 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, Schaller, Hans-Günther, Hellwig, Elmar   +2 more
openaire   +4 more sources

Dentinal fluid dynamics in human teeth, in vivo

Journal of Endodontics, 1995
Cavities were prepared in human premolars scheduled for extraction for orthodontic reasons. The smear layer was removed from the dentin surface by acid etching, and the cavity was sealed using a hollow chamber. The chamber was filled with sterile saline solution and connected via tubing to a hydraulic circuit featuring an adjustable pressure reservoir ...
B, Ciucchi, S, Bouillaguet, J, Holz, D, Pashley   +3 more
openaire   +3 more sources

Effect of dentinal fluid on enamel permeability under simulated pulpal pressure

Archives of Oral Biology, 2019
To determine the effect of pulpal perfusion on the fluid flow through human tooth after different treatments at the enamel surface. Changes in mineral density along with fluid flow rate were also analyzed before and after etching.The experiments were carried out on 97 human premolars.
Narinee Chinajitphan, Ekachai Chunhacheevachaloke, Orapin Ajcharanukul   +2 more
openaire   +3 more sources

Movement of Dentinal and Pulpal Fluid Caused by Clinical Procedures

Journal of Dental Research, 1968
The effects of some clinical procedures on the fluid contents of the dentin and pulp were studied in vitro. The method involved measurement of the movement of the meniscus in a tube and glass capillary filled with physiologic saline solution and attached to the root pulp of the extracted tooth.
M, Brännstrom, L A, Lindén, G, Johnson
openaire   +3 more sources

Minimizing Dentinal Fluid Flow Associated with Gap Formation

Journal 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.
D N, Ratih, J E A, Palamara, H H, Messer
openaire   +3 more sources

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

Journal 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.
Özok, A.R., Wu, M.K., Wesselink, P.R.
openaire   +6 more sources