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Wear behavior of CAD-CAM zirconia, ceramic, and 3D printed nano-hybrid resin crowns for the restoration of primary and permanent molars: An in vitro study.
J Prosthet Dent
March 2025
Associate Professor, Department of Pedodontics, School of Dentistry, Ege University, Izmir, Turkey. Electronic address:
Statement Of Problem: Early childhood caries is one the world's most common problems in infants and treatment of posterior teeth with esthetic crowns in a low rate of wear on opposite dentition is a challenge for pediatric dentists.
Purpose: The purpose of this in vitro study was to evaluate the wear behavior of the tooth colored crown materials and the opposing teeth in using different esthetic crown materials in the mixed dentition period.
Material And Methods: The following tooth type and crown materials were considered in the experiment.
Salvinia-Effect-Inspired Magneto-Responsive Superhydrophobic Surfaces with Cluster-Distributed Microcilia Array.
Langmuir
March 2025
School of Civil and Hydraulic Engineering, Chongqing University of Science and Technology, Chongqing 401331, China.
Inspired by the "Salvinia effect", a novel method for fabricating a magneto-responsive superhydrophobic surface coated with a cluster-distributed cilia array (CC-MRSS) was reported. This surface features a magnetically self-assembled nonuniform microcilia array and demonstrates exceptional microdroplet hydrophobicity, magnetic-responsive wettability, and corrosion resistance. The fabrication process involved mixing polydimethylsiloxane (PDMS) and carbonyl iron powders (CIPs), followed by dividing the mixture into two parts.
View Article and Find Full Text PDFA new removable connecting device for MARPE expander with non-common path of insertion.
Zhong Nan Da Xue Xue Bao Yi Xue Ban
October 2024
Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University; Hunan Engineering Research Center for Digital Intelligence and Personalized Medicine; Hunan 3D Printing Engineering Research Center of Oral Care, Changsha 410008.
Objectives: Maxillary transverse deficiency is a common malocclusion frequently observed in orthodontic clinics. Miniscrew-assisted rapid palatal expansion (MARPE) not only produces greater skeletal expansion but also offers advantages such as simple miniscrew implantation without flap elevation, enhanced patient comfort, and an expanded age range and indications for palatal expansion. However, the fixed connection between the expander and the miniscrews makes the expander difficult to remove, significantly hindering its clinical application.
View Article and Find Full Text PDFThe Effect of Repair Materials and Surface Treatments on the Shear Bond Strength of 3D-Printed Provisional Restoration.
Eur J Dent
March 2025
Department of Prosthodontics, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand.
Objective: Despite the emergence of numerous three-dimensional (3D) printed provisional resin, there are no conclusive guidelines for repairing them. This study aims to investigate the effects of different repair materials and surface treatments on the shear bond strength of 3D-printed provisional resin.
Materials And Methods: A total of 180 3D-printed resin specimens underwent six surface treatments: no surface treatment (control), silicon carbide paper (SP), sandblasting with aluminum oxide (SB), SP followed by SB (SP + SB), SP with bonding agent (SP + BD), and SB with bonding agent (SB + BD).
Optimizing the Surface Quality of L-PBF Ti6Al4V ELI Alloy via Electropolishing and Its Effect on Corrosion Resistance for Dental Applications.
Eur J Dent
March 2025
Department of Prosthodontics, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
Objectives: The Ti6Al4V ELI alloy produced via laser powder bed fusion (L-PBF) has attracted interest for use in dental applications. However, surface finishing is an important property that can be managed by various methods. The purpose of this study was to investigate the effects of electropolishing (EP) on the surface roughness and corrosion resistance of L-PBF Ti6Al4V ELI alloy.
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