Results 41 to 50 of about 24,238 (226)

Cement selection for fixing implant restorations [PDF]

Stomatološki glasnik Srbije, 2019
Introduction When intraocclusal space is long enough, and patient has high aesthetic demands, cementing implant restoration is the proper choice. The aim of this study was to assess retentive forces of different cements used for fixing restoration to ...
Stamenković Dejan, Todorović Aleksandar   +1 more
doaj  

Key Challenges for Commercializing Perovskite–Silicon Tandem Solar Cells

Carbon Energy, EarlyView.
This review discusses the scientific and technological challenges in advancing perovskite–silicon tandem solar cells (PSTSCs) from lab‐scale to commercial viability, focusing on long‐term stability, scalability, and economic feasibility. Key issues include intrinsic and extrinsic degradation factors, installation conditions, environmental impacts, and ...
Bilal Mehmood, Yuanyuan Qin, Abdul Sattar, Rabeea Eman, Faheem Abbas, Shan Wu, Yipeng Xu, Xu Zheng, Jiangying Lu, Wei Jiang, Jiankai Liu, Shudi Lu, Shizhong Yue, Zhijie Wang, Kong Liu, Xiaopeng Zheng, Shengchun Qu   +16 more
wiley   +1 more source

Effect of Cement Type and Thickness at the Marginal Area on Stress Distribution in Monolithic Zirconia Crowns: A Finite Element Analysis [PDF]

Journal of Mashhad Dental School
Background: Monolithic zirconia crowns are used for restoring aesthetics and function in the dentition. However, the stress distribution pattern in these crowns remains relatively understudied.
Parviz Amini, Mojtaba Mahmoudi, Parinaz Pourmoshrefi, Reza Amini, Sajad Pourmoshrefi   +4 more
doaj   +1 more source

Mixed‐Impurity Co‐Poisoning of NH3‐SCR Catalysts: Poisoning Mechanisms, Antagonistic Effects, and Anti‐Inactivation Strategies

EcoEnergy, EarlyView.
This review summarizes the synergistic effects of mixed impurities on ammonia‐selective catalytic reduction (NH3‐SCR) catalysts, including the poisoning mechanism of the catalyst caused by mixed impurities, the antagonistic effects between the impurities, and the research on the anti‐poisoning strategies for the catalyst in recent years.
Hongyan Xue, Manas Pal, Zhaoteng Xue, Dongsen Mao   +3 more
wiley   +1 more source

The Comparison of the Film Thickness and Compressive Strength Between Ariadent and Harvard Zinc Phosphate Cement.

مجله دانشکده دندانپزشکی اصفهان, 2005
Introduction. Recently, the Ariadent Zinc phosphate cement has been introduced to market with low cost. Some dentists purchase this product because of low cost and others avoid buying it because of unreliable quality.
M - Sabouhi, N Hekmat, N Baiatabadi
doaj  

Retention Of Long-Term Interim Restorations With Sodium Fluoride Enriched Interim Cement [PDF]

, 2013
Purpose: Interim fixed dental prostheses, or provisional restorations , are fabricated to restore teeth when definitive prostheses are made indirectly.
Strash, Carolyn
core   +1 more source

Advanced Functional Materials for Marine Energy Utilization

Interdisciplinary Materials, EarlyView.
Marine renewable energy is an important future clean energy supply. We construct and sort out the material system for marine energy capture and conversion, transmission, storage, and utilization for the first time. ABSTRACT Several features of marine energy, including large reserves, sustainable utilization, environmental friendliness, make it a ...
Qiang Yu, Peipei Ge, Fazhou Wang, Shichao Bi, Bo Tang, Ion Tiginyanu, Kenneth I. Ozoemena, Xiao‐Yu Yang   +7 more
wiley   +1 more source

Evaluation of some intracanal irrigants on push-out bond strength and mode of failure of resin and non resin cements to root canal dentin (in vitro comparative study)

Sulaimani Dental Journal, 2014
Objectives: The purpose of this study was to evaluate the effects of five intracanal irrigants [distilled water, NaOCl, NaOCl + EDTA, ozonated water and NaOCl + ozonated water] on push-out bond strength of (zinc phosphate cement and Calibra® esthetic ...
Rawa O. Ibrahim, Salam D. Al-Qaisi
doaj   +1 more source

Retention of Implant Supported Metal Crowns Cemented with Different Luting Agents: A Comparative Invitro Study [PDF]

Journal of Clinical and Diagnostic Research, 2016
Introduction: To overcome limitations of screw-retained prostheses, cement-retained prostheses have become the restoration of choice now a days. Selection of the cement hence becomes very critical to maintain retrievability of the prostheses.
Roohi Kapoor, Kavipal Singh, Simrat Kaur, Aman Arora   +3 more
doaj   +1 more source

Effect of Zinc Oxide Nanoparticles From Infant Formula Milk Powder on Colon Cells In Vitro

Journal of Applied Toxicology, EarlyView.
ABSTRACT Zinc is an essential trace element that participates in numerous metabolic processes; however, excessive exposure may interfere with the absorption of other metals, such as copper. In recent years, nanotechnology has experienced rapid growth, and zinc oxide nanoparticles (ZnO NPs) have garnered significant attention due to their versatile ...
Gloria Salinas‐Lucero, Karla Juarez‐Moreno, Rafael Vazquez‐Duhalt   +2 more
wiley   +1 more source