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Development and Research of New Dental Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: 10 December 2025 | Viewed by 384

Special Issue Editors


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Guest Editor
Department of General Dentistry, Faculty of Medicine, Medical University of Lodz, 92-213 Lodz, Poland
Interests: dental materials and techniques; antimicrobial properties; surface analysis; dental restorative treatment
Special Issues, Collections and Topics in MDPI journals

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Guest Editor

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Guest Editor Assistant
Faculdade de Medicina Dentária, Universidade de Lisboa, 1600-277 Lisboa, Portugal
Interests: endodontics; dental medicine

Special Issue Information

Dear Colleagues,

This Special Issue of Materials, titled "Development and Research of New Dental Materials", focuses on the dynamic and evolving field of dental material science. It will highlight the latest advancements in the development, characterization, and application of innovative dental materials designed to meet the ever-growing demands of modern dentistry. Topics of interest include, but are not limited to, new composites, ceramics, polymers, adhesives, bioactive materials, and metal alloys with enhanced mechanical properties, biocompatibility, and longevity.

We welcome research that explores novel fabrication techniques, surface treatments, and functionalization methods to improve material performance in the challenging oral environment. Studies investigating the interaction between dental materials and biological tissues, as well as their clinical performance in restorative, prosthetic, and regenerative dentistry, are particularly encouraged, alongside work on preventive dentistry materials, such as remineralizing agents and coatings.

By gathering cutting-edge research and critical reviews, this Special Issue aims to provide insights that will shape the future of dental materials and improve patient outcomes. Researchers and clinicians are invited to submit original studies, comprehensive reviews, and case reports to contribute to this vital and rapidly advancing field.

Dr. Barbara Lapinska
Prof. Dr. Jorge N. R. Martins
Guest Editors

Dr. Abayomi Omokeji Baruwa
Guest Editor Assistant

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Keywords

  • clinics
  • dental materials
  • dentistry
  • materials
  • research

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Published Papers (1 paper)

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Research

16 pages, 5118 KiB  
Article
A Comparative Analysis of ProTaper Ultimate and Five Multifile Systems: Design, Metallurgy, and Mechanical Performance
by Jorge N. R. Martins, Emmanuel João Nogueira Leal Silva, Victor Talarico Leal Vieira, Rui Pereira da Costa, Abayomi O. Baruwa, Francisco Manuel Braz Fernandes and Marco Aurélio Versiani
Materials 2025, 18(6), 1260; https://doi.org/10.3390/ma18061260 - 13 Mar 2025
Viewed by 167
Abstract
The present research compared the design, metallurgical properties, and mechanical characteristics of the ProTaper Ultimate instruments with five multifile systems. A total of 469 new nickel–titanium rotary finishing instruments, all 25 mm in length but varying in size, taper, and metal alloy composition, [...] Read more.
The present research compared the design, metallurgical properties, and mechanical characteristics of the ProTaper Ultimate instruments with five multifile systems. A total of 469 new nickel–titanium rotary finishing instruments, all 25 mm in length but varying in size, taper, and metal alloy composition, from six different multifile systems (ProTaper Ultimate, ProTaper Next, ProFile, Mtwo, EndoSequence, and GT Series X), were inspected for irregularities and analyzed for their spiral density (spirals per millimetre), blade design, surface finishing, alloy composition, phase transformation temperatures, and mechanical performance (microhardness, torsional, and bending resistance tests). Group comparisons were performed using Kruskal–Wallis and one-way ANOVA with post hoc Tukey’s tests (α = 5%). ProFile instruments exhibited a greater number of spirals and a higher density of spirals per millimetre compared to the other systems. Microscopic analysis revealed distinct tip geometries and blade designs among tested instruments. All of them displayed parallel marks from the machining process, but the EndoSequence system had the smoothest surface finish. The alloys of all instruments consisted of an almost equiatomic ratio of nickel to titanium. At the testing temperature, the ProTaper Ultimate system exhibited a complete R-phase crystallographic arrangement, while the ProFile and Mtwo systems were fully austenitic. The ProTaper Ultimate F2, F3, and FX instruments demonstrated the highest maximum torque values (1.40, 1.45, and 3.55 N.cm, respectively) and the lowest maximum bending loads (202.7, 254.9, and 408.4 gf, respectively). EndoSequence instruments showed the highest angles of rotation, while the highest microhardness values were recorded for GT Series X (407.1 HVN) and ProTaper Next (425.0 HVN) instruments. The ProTaper Ultimate system showed a high spiral density per millimetre and a complete R-phase crystallographic arrangement at room temperature, which significantly contributed to its superior flexibility and torsional strength when compared to the other tested systems. Full article
(This article belongs to the Special Issue Development and Research of New Dental Materials)
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