The use of resin retained bridge work is commonplace within dental practice. Factors that may affect long term success include the type of metal used and surface preparation, the resin, operator technique, the surface area of the tooth, differing movement of the abutment teeth and occlusal forces. A clinical case is reported in which a resin retained bridge with a movable joint was used to restore missing anterior teeth in a 15 year old girl with a developing occlusion.
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J Sci Food Agric
January 2025
School of Food Science, Guangdong Pharmaceutical University, Zhongshan, China.
Background: Immobilized enzyme possessing both high activity and good selectivity is important in practice. In this study, Candida antarctica lipase B (CALB) was immobilized onto the macroporous resin ADS-17 for triacylglycerol (TAG) synthesis through esterification of oleic acid and glycerol. The reaction conditions were optimized by single-factor study and orthogonal test, and the reusability of the immobilized CALB (CALB@ADS-17) was evaluated.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Prosthodontics, Faculty of Dentistry, Recep Tayyip Erdoğan University, Rize, Turkey.
Background: Zygomatic implants are becoming an ideal treatment approach for implant-supported prosthesis treatment developed for the atrophic maxilla. This study aims to evaluate the amount and distribution of stress in implants and peri-implant bone using different implant-supported prosthesis configurations in Aramany Class I maxillary defects through 3-dimensional finite element analysis.
Methods: A 3-dimensional finite element model of the Aramany class I defect was created.
J Dent
January 2025
Clinic of General-, Special Care- and Geriatric Dentistry, Center for Dental Medicine, University of Zurich, Zurich, Switzerland. Electronic address:
Objective: This study aimed to investigate the resin compounds from CAD-CAM 3D-printed denture resins, focusing on the identification and classification of free monomers and other components. The primary objective was to determine the chemical profile of these 3D-prinding resin materials.
Methods: Four 3D-printed denture resins, two base materials (1: DentaBASE, Asiga Ltd.
Angew Chem Int Ed Engl
December 2024
School of Materials Science and Engineering, State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, Technology Innovation Center of High Performance Resin Materials (Liaoning Province), Dalian University of Technology, Dalian, 116024, China.
Sodium-metal batteries (SMBs) using solid-state polymer electrolytes (SPEs) show impressive superiority in energy density and safety. As promising candidates for SPEs, solid-state plastic crystal electrolytes (SPCE) based on succinonitrile (SN) plastic crystal could achieve high ion conductivity and wide voltage window. Nonetheless, the notorious SN decomposition reaction on the electrode/electrolyte interface seriously challenges the stable operation of the battery.
View Article and Find Full Text PDFSci Rep
January 2025
Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
This study investigates the negative impact of climate change on water resources, specifically water for agricultural irrigation. It describes how to optimize swelling, gel properties and long-term water retention capacities of Na-CMC/PAAm hydrogels for managing drought stress of Sugar beet plants through techniques such as changing the composition, synthetic conditions and chemical modification. Gamma radiation-induced free radical copolymerization was used to synthesize superabsorbent hydrogels using sodium carboxymethyl cellulose (Na-CMC) and acrylamide (AAm).
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