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In Vivo Effects of Two In-Office Vital Tooth Bleaching Systems on Enamel Permeability [PDF]
Journal of Composites Science, 2021 Tooth bleaching is a common treatment for the amelioration of the aesthetic of discoloured teeth. In this context, there are two common approaches that employ concentrated solutions (30–40 wt.%) of either hydrogen peroxide or carbamide peroxide as bleaching agents.
Daniele Moro +2 more
exaly +2 more sources
Permeability of Human Tooth Surfaces Studied In Vitro by Electrochemical Impedance Spectroscopy [PDF]
Electroanalysis, 2012 AbstractElectrochemical Faradaic impedance spectroscopy was applied to evaluate dependence of the electrical resistance on human teeth. The experiments were performed using iodide anions as a redox probe to model permeability of teeth for fluoride upon an iontophoresis process.
Evgeny Katz, Jan Halamek, Marcos Pita
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Influence of tooth cryopreservation on human dentin permeability, in vitro
Dental Materials, 1994In order to use cryopreserved teeth in laboratory studies, cryopreservation must not modify the functional properties of teeth, in particular dentin permeability. The purpose of this study was to evaluate the effects of tooth cryopreservation on human dentin permeability.Three hundred and sixty freshly extracted human noncarious third molars were used.
Jean Camps
exaly +3 more sources
IEEE Transactions on Magnetics, 2020
The most significant assumption of conventional analytical methods (e.g., the subdomain technique) is that the stator and rotor iron cores are infinitely permeable. The magnetic saturation is ignored, resulting in an overestimation of the flux density.
Heshan Zhang, Jin Xu
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The most significant assumption of conventional analytical methods (e.g., the subdomain technique) is that the stator and rotor iron cores are infinitely permeable. The magnetic saturation is ignored, resulting in an overestimation of the flux density.
Heshan Zhang, Jin Xu
exaly +2 more sources
Tooth Pulp Tissue Pressure and Hydraulic Permeability [PDF]
Circulation Research, 1964 The object of these experiments was to evaluate the hydrostatic pressure and hydraulic permeability of the tooth pulp in situ. A small hole was drilled through the enamel and dentin to the dentinal-pulpal junction in canines and third incisors of anesthetized dogs. A threaded cannula filled with mammalian Ringer's solution was screwed into the hole and
A C, BROWN, D, YANKOWITZ
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Changes in Permeability Caused by Connexin 32 Mutations Underlie X-Linked Charcot-Marie-Tooth Disease [PDF]
Neuron, 1997 The relationship between the loss of connexin 32 function and clinical manifestations of X-linked Charcot-Marie-Tooth (CMTX) disease is unknown. Here, we report that eight of nine CMTX mutations investigated form channels with measurable electrical conductance.
Vytas Verselis +2 more
exaly +3 more sources
Effect of initial demineralization on the permeability of human tooth enamel to iodide
Archives of Oral Biology, 1982Blocks of intact human enamel were exposed for four successive periods of 5 min to 2 ml of 10(-2) M K-acetate at pH 4.0, 4.5 and 5.0. The permeability to iodide (Ip) and the amount of Ca dissolved were determined after each exposure. The Ip values varied considerably, but for each block there was a consistent increase in Ip with increase in acid ...
F Brudevold
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A new in vitro technique for studies on tooth permeability
Archives of Oral Biology, 1968Abstract An in vitro technique for studying tooth permeability, while attempting to maintain the physiologic conditions present in in vivo experiments, was developed. Freshly extracted teeth were perfused with a tissue culture medium and maintained in an air incubator with the humidity near 100 per cent and a temperature of 37 °C.
L V, Smith, J P, DeVincenzo
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The Influence of Cleansers on the Permeability Index of Primary Tooth Root Dentin
Journal of Clinical Pediatric Dentistry, 2007The aim of this study was to evaluate the action of cleansers on the permeability index (PI) in the root canal of primary dentin, by dye penetration into the length of the root canal and deep dentin. The data were submitted to ANOVA, F, and Student t tests (p<0.05).
Fernanda Miori, Pascon +1 more
openaire +2 more sources