Results 261 to 270 of about 15,436 (313)
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Corrosion Science, 1993
Abstract Many models are now available which may form the basis of a predictive tool to describe ductile, brittle and scale modified erosion processes. From a review of these models, it is clear that a unified approach is required, incorporating aspects of many of these models, if erosive wear both at room temperature and elevated temperature is to ...
D.J. Stephenson, J.R. Nicholls
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Abstract Many models are now available which may form the basis of a predictive tool to describe ductile, brittle and scale modified erosion processes. From a review of these models, it is clear that a unified approach is required, incorporating aspects of many of these models, if erosive wear both at room temperature and elevated temperature is to ...
D.J. Stephenson, J.R. Nicholls
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Corneal erosions in contact lens wear
Contact Lens and Anterior Eye, 2012Contact lens wear continues to be the highest single risk factor for microbial keratitis, particularly when worn in the extended wear modality. For microbial keratitis to occur, the presence of at least a bacterial load as well as a break in the corneal surface is required. One such break occurs in the case of a corneal erosion.
Markoulli, Maria +3 more
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Diagnosis of Erosive Tooth Wear
2006The clinical diagnosis 'erosion' is made from characteristic deviations from the original anatomical tooth morphology, thus distinguishing acid-induced tissue loss from other forms of wear. Primary pathognomonic features are shallow concavities on smooth surfaces occurring coronal from the enamel-cementum junction.
C, Ganss, A, Lussi
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Inhibition of Erosive Wear by Fluoride Varnish
Caries Research, 2006It has been suggested that fluoride products with a protective mechanical component are advantageous in the prevention of erosive wear. The aim of this study was to evaluate in situ the effect of fluoride varnish (FV) in the prevention of wear due to erosion and combined erosion and toothbrush abrasion.
Vieira, A. +3 more
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The Mild-Severe Wear Transition in Erosion Wear
Tribology Letters, 2018In this study, three types of abrasives and several types of heat treatments and materials were used to obtain 11 different abrasive/material hardness (Ha/Hm) ratios with the aim of elucidating the effect of the Ha/Hm ratio on the mild-severe wear transition in erosion wear.
O. A. Zambrano +3 more
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Dental Erosion and Erosive Tooth Wear
2018Dental erosion, a form of tooth wear caused by direct attack on the tooth surface of acid entering the mouth, either from beverages, acidic foods, gastric regurgitation or atmospheric pollution, is in both appearance and causation quite different from caries.
Ronnie Levine, Catherine Stillman-Lowe
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Challenges in Assessing Erosive Tooth Wear
2014Indices for assessing erosive wear are expected to deliver more than is expected of an ideal index: simple with defined scoring criteria so that it is reproducible, reflective of the aetiology of the condition and accurately categorizing shape, area and depth of affect, both at a point in time (prevalence) and longitudinally (incidence/increment).
Margaritis, Vasileios, Nunn, J
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Erosive wear of composite materials
Wear, 1986Abstract The erosive wear behavior of selected polymer matrix composite materials was investigated using an erosion wear tester. Scanning electron microscopy was used to characterize the eroded surface. The results show that the erosive wear rates in these materials are at least an order of magnitude greater than that of low carbon steel.
K.V. Pool, C.K.H. Dharan, I. Finnie
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Wear, 2001
Abstract Surface damage caused by the impact of dispersed particles in gas or liquid flow is called “erosion”. Much attention has been paid to this phenomenon as one of the most serious problems to be solved, particularly concerning pipe-bends or valves in pneumatic conveying systems.
K. Shimizu +4 more
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Abstract Surface damage caused by the impact of dispersed particles in gas or liquid flow is called “erosion”. Much attention has been paid to this phenomenon as one of the most serious problems to be solved, particularly concerning pipe-bends or valves in pneumatic conveying systems.
K. Shimizu +4 more
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Preventive dentistry 10. Erosive tooth wear
Nederlands Tijdschrift voor Tandheelkunde, 2018Erosive tooth wear has recently been at the centre of attention and its prevalence of erosive tooth wear among adolescents in the Netherlands appears to be rising. The multifactorial nature of the aetiology of the condition makes it difficult to identify the relevant causal factors, both in individual cases and within the general population. Preventive
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