Results 201 to 210 of about 10,343 (253)
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Dentine permeability and dentine adhesion
Journal of Dentistry, 1997The objectives of this paper are to review the structure of dentine as it pertains to adhesive bonding and to describe the importance of resin permeation into dentinal tubules and into spaces created between collagen fibrils by acid-etching during resin bonding.
D H, Pashley, R M, Carvalho
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Dentin permeability of carious primary teeth
Nigerian Journal of Clinical Practice, 2017Many in vitro studies have used dentine permeability to evaluate the efficacy of various restorative and preventative procedures. The easiest way to evaluate dentine permeability is to calculate its hydraulic conductance (Lp) using fluid filtration methods.
Ozkorucuklu, S. +2 more
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The relationship between dentin bond strengths and dentin permeability
Dental Materials, 1989The relationship between dentin permeability and the shear bond strength of Scotchbond/Silux was investigated. In the presence of a smear layer, there was no correlation between dentin permeability and dentin bond strengths. After removal of the smear layer with acids, there was an inverse relationship between dentin permeability and dentin bond ...
L, Tao, D H, Pashley
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Dentin Permeability: Determinants of Hydraulic Conductance
Journal of Dental Research, 1978A technique is described which permits measurement of the ease with which fluid permeates dentin. This value, the hydraulic conductance of dentin, increased as surface area increases and/or as dentin thickness decreases. It increased 32-fold when dentin was acid etched due to removal of surface debris occluding the tubules.
O W, Reeder +3 more
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Permeability of demineralized dentin to HEMA
Dental Materials, 2000The objectives of this study were to develop a macromodel of the demineralized layer of dentin that is formed after acid-etching, and to determine if the amount of HEMA uptake was responsive to air drying. The hypothesis that was tested was that HEMA uptake by demineralized dentin depends upon the degree of expansion of the collagen fibril network ...
D H, Pashley +5 more
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Effect of Dycal® on dentin permeability
Dental Traumatology, 1988Abstract The ability of 3 formulations of a hard‐setting calcium hydroxide‐containng base material (Dycal®) to seal dentinal tubules was evaluated in an in vitro model. The latest light‐cured generation of the material was clearly superior to the previous formulations at all time periods tested.
L, Tao, J M, Reynolds, D H, Pashley
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Dentin permeability: Self-etching and one-bottle dentin bonding systems
The Journal of Prosthetic Dentistry, 2003There are many bonding systems available, with or without a prior acid etch. The mechanisms differ from system to system. Therefore it is important that the clinician know which are the most effective and which provide the best seal.This study measured the infiltration of physiological saline solution across dentin after application of self-etching or ...
Geneviève, Grégoire +3 more
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Permeability Effects of Two Dentin Adhesive Systems
Journal of Esthetic and Restorative Dentistry, 1992This in vitro study evaluated the effects of two dentin adhesive systems on dentin permeability. The XR‐Bonding System modifies the smear layer but does not open dentinal tubules. The Kanca or “total‐etch” technique (phosphoric acid, Tenure A and B, Scotchbond 2 Adhesive) removes the smear layer and opens dentinal tubules.
S E, Hansen, E J, Swift, K V, Krell
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Dentinal Permeability in Assessing Therapeutic Agents
Dental Clinics of North America, 1990The measurement of dentinal permeability has been useful in confirming the mechanism of the hydrodynamic hypothesis for pain transmission in hypersensitive patients, has advanced our understanding of how neural agents can reach the pulpal nerves, and has provided useful data to compare and evaluate therapeutic agents.
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The permeability of artificial dentine carious lesions
Archives of Oral Biology, 2008This study aimed to verify whether two demineralisation solutions, with different fluoride concentrations, would produce subsurface lesions in dentine, as assessed by microradiography, with different mineral loss profiles and, subsequently, to determine the dentine permeability of the two altered tissues.Forty-five human coronal portions were prepared ...
Elgalaid, T. O. +3 more
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