Results 181 to 190 of about 2,979 (201)
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Dentinal tubules driven wetting of dentin: Cassie-Baxter modelling
The European Physical Journal E, 2009We investigate the wetting properties of dentin surfaces submitted to a phosphoric acid etching followed by an air drying procedure, as in clinical situations of adhesive dentistry. The surface topography of the etched surfaces was characterized by AFM, and the wetting properties of water on these rough and heterogeneous surfaces were studied, by ...
Pierre Farge +2 more
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A theoretical model of dentinogenesis: Dentin and dentinal tubule formation
Computer Methods and Programs in Biomedicine, 2013Dentinogenesis, odontoblast dentin formation, includes dentinal growth, mineralization and dentinal tubule formation. Odontoblasts synthesize collagen resulting in collagen apposition contributing to dentinogenesis. Furthermore, within the tubule, they express non-collagenous proteins, such as dentin phosphoprotein (DPP), associated with hydroxyapatite
María Lucía Gutiérrez +2 more
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Density of dentinal tubules affects the tensile strength of root dentin
Dental Materials, 2004The aim of this study is to count the dentinal tubules in the coronal and middle-apical third of root dentin of teeth extracted due to the progression of periodontal disease, and to compare the Ultimate Tensile Strength (UTS) of the same areas. The research hypothesis was that root dentin areas with different densities of dentinal tubules would also ...
Mannocci, F +3 more
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A new method for quantitative analysis of dentinal tubules
Computers in Biology and Medicine, 2007Conventional methods to estimate the number of dentinal tubules cannot be considered reliable and repeatable, because results depends on the operator outlining of the tubules contours. In this study, we propose a totally automated computerized analysis technique to evaluate dentinal tubules and their surface area.
CIOCCA, LEONARDO +4 more
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The Lamina Limitans of Human Dentinal Tubules
Journal of Dental Research, 1984Fractured coronal surfaces of both fixed and unfixed human teeth were examined by scanning electron microscopy following HCl demineralization and collagenase digestion. This treatment removed a considerable amount of matrix from the surface of dentin.
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Dentine tubule disinfection by different irrigation protocols
Microscopy Research and Technique, 2019AbstractThe purpose of this study was to test the antimicrobial activity and the smear layer removal of different irrigation protocols—sodium hypochlorite (NaOCl), NaOCl followed by ethylenediaminetetraacetic acid (EDTA), and NaOCl combined with etidronic acid (HEBP)—against infected dentine tubules during root canal preparation.
Ana Morago +5 more
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Penetration ability of different irrigants into dentinal tubules
Journal of Endodontics, 1997Dentinal tubules of human root canal walls were infected with a known bacterial isolate. The teeth were divided into two groups and the root canals instrumentated. Different types of canal irrigant were used for each group. In group A, 5% NaOCl was followed by a 10% EDTA rinse and neutralized with a final physiological solution rinse.
BERUTTI, Elio, MARINI R., ANGERETTI A.
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The relationship between dentin microhardness and tubule density
Dental Traumatology, 1985Abstract The purpose of this study was to determine the possible correlation between dentin microhardness and dentin tubule density in normal human permanent teeth. A new technique was developed which permitted serial determinations of the micro‐hardness and tubule density of the same group of tubules, beginning near to the dentino‐enamel junction and ...
Atsuko Okabe +2 more
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Tubule orientation and the fatigue strength of human dentin
Biomaterials, 2006In this study the influence of tubule orientation on the strength of human dentin under static and cyclic loads was examined. Rectangular beams were sectioned from the coronal dentin of virgin extracted molars (N=83) and then loaded in quasi-static 4-point flexure or 4-point flexural fatigue to failure.
Robert K. Reprogel, Dwayne Arola
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The density and branching of dentinal tubules in human teeth
Archives of Oral Biology, 1996Detailed knowledge of dentine structure, and especially that of the dentinal tubules, is essential in order to understand dentine permeability and to interpret data from investigations on dentine adhesive materials. The aim here was to examine the density and branching of dentinal tubules in human teeth by light and scanning electron microscopy ...
Ivar A. Mjör, I. Nordahl
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