Results 141 to 150 of about 797,671 (382)

Analysis of Flexural Strength and Contact Pressure After Simulated Chairside Adjustment of Pressed Lithium Disilicate Glass-Ceramic [PDF]

, 2018
Statement of problem Research evaluating load-to-failure of pressed lithium disilicate glass-ceramic (LDGC) with a clinically validated test after adjustment and repair procedures is scarce.
Berzins, David W., Maroulakos, Georgios, Ramadhan, Ali, Thompson, Geoffrey A.   +3 more
core   +1 more source

A Flexible‐Substrate 5‐µm‐Diameter Needle Electrode: Minimizing Neuronal Death and Enabling Year‐Long Neural Recording

Advanced Materials Interfaces, EarlyView.
An electrophysiological recording technology that uses a 5‐µm‐diameter microneedle electrode device is presented. Due to the remarkable small dimension of the microneedle, the electrode provides minimal invasive neural recording in a mouse brain and enables long‐term recording exceeding the year‐long duration.
Hinata Sasaki, Koji Yamashita, Sayaki Shimizu, Kensei Sakamoto, Rika Numano, Kowa Koida, Takeshi Kawano   +6 more
wiley   +1 more source

New Efficient D‐π‐A and A‐π‐A Structured Type I Radical Photoinitiators for Additive Manufacturing Nanomaterials Preparation

Advanced Materials Technologies, EarlyView.
Groundbreaking advancements are discovered in 3D printing with new type‐I radical photoinitiators, including 1,1‐dimethoxy‐1‐phenylpropan‐2‐one. These innovative compounds, effective under visible light, enhance photopolymerization of acrylates and methacrylates, facilitating the creation of efficient nanocomposites and unlock the future of polymer ...
Andrzej Świeży, Filip Petko, Dominika Krok‐Janiszewska, Patryk Szymaszek, Mariusz Galek, Joanna Ortyl   +5 more
wiley   +1 more source

Mechanical analysis of prosthetic bars and dental implants in 3 and 4 implant-supported overdenture protocols using finite element analysis

Journal of Oral Biology and Craniofacial Research, 2021
In some clinical situations, the installation of four or more dental implants may be infeasible. Therefore, the installation of protocol-type prostheses with only three implants may be necessary.
Luiz Bassi-Junior, Rafael Oliveira de Souza Silva, Victor Hugo Dias dos Santos, Abner da Rocha Lourenço, Paulo Vinicius Trevizoli, Hugo Gaêta-Araujo, Polyane Mazucatto Queiroz, Vilmar Divanir Gottardo   +7 more
doaj  

Dual‐Wavelength Vat Photopolymerization With Dissolvable, Recyclable Support Structures

Advanced Materials Technologies, EarlyView.
Selective solubility vat photopolymerization (SSVP) uses a single resin to produce dissolvable thermoplastics and insoluble thermosets in a single 3D print. Wavelength‐selective curing and thermal post‐processing provide 3D spatial control over dissolution kinetics, enabling dissolvable support structures and programmable dissolution profiles.
Nicholas S. Diaco, Carl J. Thrasher, Max M. Hughes, Kevin A. Zhou, Michael N. Durso, Saechow Yap, Robert J. Macfarlane, A. John Hart   +7 more
wiley   +1 more source

Ammonia Dynamics in the Human Body: Insights in Biomedical Sensing Technologies

Advanced Sensor Research, EarlyView.
Ammonia (NH3) is a significant biomarker in diagnostics, affecting the respiratory system, stomach, liver, kidneys, bladder, and gastrointestinal tract. NH3 detection, using sensors, has the potential to improve medical diagnosis. This review examines recent advancements in NH3 sensing technologies and explores future research directions, including ...
Annelot Nijkoops, Manuela Ciocca, Martina Aurora Costa Angeli, Silvia Pogliaghi, Soufiane Krik, Enrico Avancini, Niko Münzenrieder, Paolo Lugli, Luisa Petti   +8 more
wiley   +1 more source

Perceived stress amongst medical and dental students

Archives of Mental Health, 2012
Background: Reports in the last decade have shown that healthcare students face a high degree of stress. Cumulative stress leads to depression and suicidal behaviour in some of them.
Harihar Chilukuri, Sowjanya Bachali, Nagaiah Jupalle Naidu, Ahmed Shaik Basha, Samuvel Verrapam Selvam   +4 more
doaj  

Improving Dental Diagnostics: Enhanced Convolution with Spatial Attention Mechanism [PDF]

arXiv
Deep learning has emerged as a transformative tool in healthcare, offering significant advancements in dental diagnostics by analyzing complex imaging data. This paper presents an enhanced ResNet50 architecture, integrated with the SimAM attention module, to address the challenge of limited contrast in dental images and optimize deep learning ...
arxiv  

Biomedical Application of Cold Plasma: Navigating Through Plasma Types and Devices by Antimicrobial Effectiveness and Tissue Tolerance

Advanced Therapeutics, EarlyView.
Cold plasma devices (J‐Plasma, Piezo Brush PZ3, Plasma Care) generate unique reactive species that penetrate tissues differently, enabling biofilm eradication while preserving tissue health. This study uncovers plasma‐device interactions with biofilms and surfaces, highlighting tailored applications for precision medicine and infection control ...
Thomas P. Thompson, Amanda Connelly, Sean Kelly, Ross M. Duncan, Jordanne‐Amee Maybin, Carla McDonnell, Autumn Melvage, Laura A. McClenaghan, Aikaterini Dedeloudi, Dimitrios A. Lamprou, Thomas P. Schaer, Paula Bourke, Noreen J. Hickok, Brendan F. Gilmore, Theresa A. Freeman   +14 more
wiley   +1 more source

Numerical Study Of Stresses In Dental Materials By Using Finite Element Analysis

, 2018
Dental tooth is made of different materials such as soft, hard and intermediate materials. PMMA is the softer material but it is associated with poor mechanical properties. It has been documented that the strength of PMMA is increased by incorporation of Zirconia as filler material.
Gunjal Vinayak B. ,, M. B. Mandale
openaire   +2 more sources