The present study aimed to test, in vitro, the antimicrobial activity against and and the surface roughness of a 3D-printed polymethylmethacrylate dental resin enhanced with graphene. A 3D-printed polymethylmethacrylate dental resin was reinforced with four different concentrations of graphene: 0.01, 0.1, 0.25 and 0.5 wt%. Neat resin was used as a control. The specimens were printed in a liquid crystal display printer. Disc specimens were used in antimicrobial evaluation, and bar-shaped specimens were used to measure surface roughness. The study of antimicrobial activity included the inhibition of the growth of and and their adhesion to the resin's surface. Surface roughness increased with the increase in the graphene concentration. The growth inhibition of was observed in the different concentrations of graphene after 24 h, with no recovery after 48 h. The specimens doped with graphene were capable of inactivating after 48 h. The surface-adhesion studies showed that the density of microbial biofilms decreases in the case of specimens doped with graphene. Graphene, despite increasing the resin's surface roughness, was effective in inhibiting the growth and the adhesion to the resin's surface of the main inducers of prosthetic stomatitis.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9599473 | PMC |
| http://dx.doi.org/10.3390/biomedicines10102607 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Impact of chlorine dioxide and chlorhexidine mouthwashes on friction and surface roughness of orthodontic stainless steel wires: an in-vitro comparative study.
F1000Res
January 2025
Department of Orthodontics and Dentofacial Orthopaedics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karanataka, 576104, India.
Objectives: Good oral hygiene measures are important for successful orthodontic treatment. They involve various types of mouthwashes which have been reported to cause alteration of mechanical properties of archwires. This study aimed to evaluate the effects of a new kind of chlorine-dioxide-containing mouthwash on the mechanical properties and surface morphology of stainless steel orthodontic archwires against the already prevalent chlorhexidine mouthwash in the market.
View Article and Find Full Text PDFMachinability and surface integrity analysis of Ti-17 alloy using WEDC for advanced aero-engine application.
Heliyon
January 2025
University of Coimbra, CEMMPRE, ARISE, Department of Mechanical Engineering, Rua Luís Reis Santos, 3030-788, Coimbra, Portugal.
Recent advancements in aerospace industry demand intricate aero-engine parts, leading to the increased use of titanium alloys, particularly Ti-17, due to its high strength, thermal stability, and corrosion resistance. However, its low thermal conductivity and tool wear tendency pose significant machining challenges, impacting surface integrity, fatigue life, and overall component performance. This study investigates the Wire Electrical Discharge Cutting (WEDC) process, revealing that the mechanism behind improved surface integrity lies in the controlled thermal input, which minimizes phase transformations and reduces residual stresses.
View Article and Find Full Text PDFEffect of modeling liquid application on color stability and surface roughness of single-shade composites.
BMC Oral Health
January 2025
Faculty of Dentistry, Department of Restorative Dentistry, Sivas Cumhuriyet University, Sivas, Turkey.
Objectives: The objective of this study was to examine the effects of modeling liquid application on the color stability and surface roughness of single-shade composites.
Materials And Methods: Single-shade composites were divided into 4 main groups according to their contents. A total of 64 disc-shaped samples (8 × 2 mm) were prepared, 16 in each group, by using Teflon molds.
Changes in hairiness of woven fabrics at the production and finishing stages.
Sci Rep
January 2025
Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec, Studentská 2, 461 17, Liberec 1, Czech Republic.
Advances in the textile industry have led to a shift from using empirical experience to design fabrics to using computer-aided systems. Objective fabric properties related to appearance, feel, and comfort are predicted based on the physical models. The look and feel of fabrics are greatly influenced by their complex surface topology, which can be defined by two main properties: roughness and hairiness.
View Article and Find Full Text PDFRice husk biowaste derived microcrystalline cellulose reinforced sustainable green composites: A comprehensive characterization for lightweight applications.
Int J Biol Macromol
January 2025
Natural Composites Research Group Lab, Department of Mechanical and Process Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok 10800, Thailand.
This study addresses the issue of waste generation within the food industry, focusing on the conversion of rice husk waste into value-added products. The investigation involves a comprehensive characterization of microcrystalline cellulose extracted from the rice husk and reinforcing them in bio-epoxy resin to determine its feasibility in producing ecofriendly products. The dried rice husk waste was made to undergo a series of treatments, including alkali, acid hydrolysis, and bleaching for extracting high purity microcrystalline cellulose.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!