Results 151 to 160 of about 24,480 (261)

A Novel Approach to Enamel Remineralization of White Spot Lesions Using Nanoparticles

open access: yesNano Select, Volume 7, Issue 1, January 2026.
Nanotechnology serves as a transformative tool for improved enamel remineralization. Magnesium oxide (MgO) nanoparticles are biodegradable, biocompatible, and exhibit a robust antimicrobial effect against common oral pathogens, including Streptococcus mutans, Staphylococcus aureus, Enterococcus faecalis, and Candida albicans.
Ghada H. Naguib   +5 more
wiley   +1 more source

Pressure‐induced phase changes in polycrystalline Y2O3: Influence on structure and properties

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 1, January 2026.
Abstract The micro‐ and nano‐structural effects of varying pressure and holding time at 1000°C during the high‐pressure processing of high‐purity, fine‐grained polycrystalline cubic yttrium oxide (c‐Y2O3) are investigated. The critical pressure required to induce the phase transformation from c‐Y2O3 to monoclinic‐Y2O3 (m‐Y2O3) ranges from 2.5 to 3.0 ...
Stuart Deutsch   +4 more
wiley   +1 more source

Selective TREF Fraction Removal: A Method to Enhance Crystallinity and Microhardness in Propylene–1‐Pentene Copolymers

open access: yesAdvances in Polymer Technology, Volume 2026, Issue 1, 2026.
Innovative advancements in polyolefin chemistries are critically important to develop industrial applications that require an ability of either superior performance levels or minimal expense. While temperature rising elution fractionation (TREF) is a well‐established analytical technique for characterising polyolefin heterogeneity, its use as a ...
Muhamed A. Sweed   +2 more
wiley   +1 more source

Recurrent Discoloration After Internal Bleaching Postregenerative Endodontics

open access: yesCase Reports in Dentistry, Volume 2026, Issue 1, 2026.
Introduction Regenerative endodontic therapy (RET) has become a preferred treatment for immature necrotic teeth. However, one of the undesirable outcomes is tooth discoloration, which can significantly affect esthetics. Internal bleaching is commonly used, but success rates can vary due to several factors, including the type of materials used during ...
S. Drouri   +4 more
wiley   +1 more source

Impact of Tool Velocity Ratio on Welding Loads and Mechanical Properties in Friction Stir‐Welded AA7075/AA2024 Plates

open access: yesThe Scientific World Journal, Volume 2026, Issue 1, 2026.
The emphasis on dissimilar joining of aluminum alloys has increased due to the growing need for lightweight, highly durable structures in the transportation and aerospace industries. For these applications, friction stir welding (FSW), a solid‐state joining technology that offers better structural integrity than traditional fusion techniques, has ...
Mutyala Rama Durga Rao   +5 more
wiley   +1 more source

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