Results 91 to 100 of about 79,422 (312)

Vertical misfit of laser-sintered and vacuum-cast implant-supported crown copings luted with definitive and temporary luting agents [PDF]

, 2012
Objectives. This study aimed to evaluate the vertical discrepancy of implant-supported crown structures constructed with vacuum-casting and Direct Metal Laser Sintering (DMLS) technologies, and luted with different cement types.
Albaladejo Martínez, Alberto, Castillo de Oyagüe, Raquel, López Lozano, José Francisco, Montero Martín, Javier, Suárez García, M. ª Jesús, Sánchez Turrión, Andrés, Torres-Lagares, Daniel   +6 more
core   +1 more source

Resin cements: Composite luting cements

, 2004
Resin cements (composite luting cements) are used for cementation all ceramic crowns in contemporary dental practice. These materials which are characterized by type of fillers, initiation system, their viscosity, mechanical properties (wear resistance, elastic modulus, compressive strength, tensile and shear strength), and by their physical properties
Obradović-Đuričić, Kosovka, Martinović, Željko   +1 more
openaire   +1 more source

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

Restoration-repair potential of resin-modified glass ionomer cement [PDF]

Brazilian Oral Research
: This in vitro study aimed to evaluate the repair bond strength of resin-modified glass ionomer cement using either the same material or a universal adhesive in the etch-and-rinse and self-etch modes plus resin composite.
Carolina Lopes da Silva, Cleber Paradzinski Cavalheiro, Cassiane Gonçalves de Oliveira da Silva, Daniela Prócida Raggio, Luciano Casagrande, Tathiane Larissa Lenzi   +5 more
doaj   +1 more source

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

Class I Gap-formation in Highly-viscous Glass-ionomer Restorations: Delayed vs Immediate Polishing [PDF]

, 2007
This in vitro study evaluated the effects of delayed versus immediate polishing to permit maturation of interfacial gap-formation around highly viscous conventional glass-ionomer cement (HV-GIC) in Class I restorations, together with determining the ...
M. Irie, Y. Maruo, G. Nishgawa, K. Suzuki, D. C. Watts, Tosaki, Davidson, Irie, Wilson, Guggenberger, Frencken, Frencken, Mount, Peutzfeldt, Tyas, Yip, Yu, Irie, Irie, Irie, Irie, Irie, Feilzer, Conover, Feilzer, Sidue, Irie, Anusavice, Guggenberger   +28 more
core   +5 more sources

Development of a Mechanically Regenerating Desublimator for Freeze‐Drying Systems in the Food Industry

Chemie Ingenieur Technik, EarlyView.
Thermal defrosting limits desublimator efficiency in freeze‐drying. This review and case study compares thermal versus mechanical regeneration, links frost properties and external heat transfer to energy demand, and summarizes pilot‐scale scraping results enabling single‐unit, continuous lyophilization.
Moritz Krummenacher, Mirko Kleingries, Edgar Zimmer, Roman Blättler   +3 more
wiley   +1 more source

Acrylic Resin Guide for Locating the Abutment Screw Access Channel of Cement-Retained Implant Prostheses [PDF]

, 2016
Abutment screw loosening represents a common and challenging technical complication of cement-retained implant prostheses. This article describes the fabrication of a simple and accurate poly(methyl methacrylate) guide for identifying the location and ...
Ahmed, Ayman, Garaicoa, Jorge, Maroulakos, Georgios   +2 more
core   +1 more source

Porosity of resin cements and resin-modified glass-ionomers. [PDF]

American journal of dentistry, 2001
To quantify the internal free surface in various resin cements and glass-ionomer-based materials.Materials tested were Nexus fluid (NXF) and viscous (NXV), Vitremer (VTM), Fuji II LC (FII), Vitremer Luting Cement (VLC), Dyract (DYR) and Compoglass (COM).
Miguel Calvo, Alicia, Macorra García, José Carlos De La, Nevado Rodríguez, Silvia, Gómez López, Javier   +3 more
openaire   +2 more sources

Effect of confining pressure on fracture characteristics and mineralogical behavior of tight sandstone specimens after hydraulic fracturing

Deep Underground Science and Engineering, EarlyView.
Hydraulic fracturing in tight sandstone and fracture propagation characteristics using backscattered electron‐scanning electron microscope (BSE‐SEM) images. Abstract This study focuses on hydraulic fracturing experiments conducted under triaxial conditions on tight sandstone specimens from Shivpuri district, Madhya Pradesh, India.
Pankaj Rawat, Narendra Kumar Samadhiya
wiley   +1 more source