Results 21 to 30 of about 11,243 (174)
Treatment of Dentinal Hypersensitivity by means of Nd:YAP Laser: A Preliminary In Vitro Study
The Scientific World Journal, 2014 Objective. The aim of this study is to evaluate the effectiveness of Nd:YAP laser to seal dentinal tubules at different parameters. Material and Methods. 24 caries-free human wisdom impacted molars were used.
Amaury Namour +4 more
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eJournal of Oral Maxillofacial Research, 2020 Objectives: To compare selected anatomical and treatment-related diagnostic parameters estimated by cone-beam computed tomography and by digital periapical radiography in teeth with apical periodontitis, and to evaluate reliability of different examiners
Jelena Gudac +4 more
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Development of a 50 MW Multiple Beam Klystron [PDF]
, 2007 The goal of this program was to develop a 50 MW, multiple beam klystron at 11.424 GHz. The device uses eight electron guns and beam lines to achieve the required power level at a beam voltage of 190 kV, consistent with solid state power supplies.
Read, Michael +3 more
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AIP Advances, 2021 This work introduces a method for co-localized multi-modal imaging of sub-μm features in an additively manufactured (AM) titanium alloy. Ti-6Al-4V parts manufactured by electron beam melting powder bed fusion were subjected to hot isostatic pressing to ...
Jake T. Benzing +5 more
doaj +1 more source
SRM Journal of Research in Dental Sciences, 2021 Background: Cone beam computed tomography (CBCT) is a three-dimensional digital imaging which provides an image that can be viewed in multiple planes thus providing a better understanding of the anatomy of the root canal.
Sagar Jatish Shah +5 more
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Frontiers in Mechanical EngineeringHigh-voltage cable terminal lead seals may develop defects such as holes, cracks, or delamination due to substandard installation quality or external forces during operation.
Peng Ziping +5 more
doaj +1 more source
Monitoring Fatigue Damage of Modular Bridge Expansion Joints Using Piezoceramic Transducers
Sensors, 2018 Modular bridge expansion joints (MBEJs) are commonly used in bridges and are often subjected to fatigue damages, which necessitate fatigue monitoring of MBEJs to ensure the reliable operation of the bridges.
Tianyong Jiang +4 more
doaj +1 more source
Applied MechanicsThis study proposes a combined finger seal configuration composed of different structural laminates. An equivalent dynamic model of the finger seal system, accounting for thermal effects, is established.
Jifan Zhang, Hua Su, Yiting Su, Kun Zhou
doaj +1 more source
Root perforations: a review of diagnosis, prognosis and materials
Brazilian Oral Research, 2018 : Root perforation results in the communication between root canal walls and periodontal space (external tooth surface). It is commonly caused by an operative procedural accident or pathological alteration (such as extensive dental caries, and external ...
Carlos Estrela +5 more
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Investigations on clearance seal units for moving elements in an ultra-high vacuum region [PDF]
, 2022 The steady demand of the semiconductor industry to achieve critical dimensions (cd) of 22 nm half pitch and below requires improved lithographic systems. Known approaches are the optical lithography in the short wavelength range (e.g.
Döring, H.-J. +3 more
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