Progress and Prospects in Dental Materials and Endodontic Sciences

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: 31 July 2026 | Viewed by 363

Special Issue Editors


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Guest Editor
Department of Endodontics, Medical University of Lodz, 92213 Lodz, Poland
Interests: dental materials; root canal sealers; mechanical properties; chemical properties; cytotoxicity and gentotoxicity

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Guest Editor
Department of Restorative Dentistry, Medical University of Lodz, 92213 Lodz, Poland
Interests: dental materials; dental instruments; antimicrobial properties; chemical properties; mechanical properties; adhesive systems; CAD/CAM technologies
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Endodontics, Medical University of Lodz, 92213 Lodz, Poland
Interests: dental materials; biomaterials; composites; antimicrobial materials; nanomaterials; mechanical properties; dental caries

Special Issue Information

Dear Colleagues,

Endodontic and dental materials are fundamental to the success of modern clinical procedures. Over the past decade, significant progress has been made in developing materials with enhanced biological compatibility, mechanical durability, and therapeutic functionality. Innovations such as bioceramics, bioactive resins, nanomaterials, and smart delivery systems are transforming the way clinicians approach root canal therapy and restorative procedures.

These advancements not only improve clinical outcomes but also address long-standing challenges such as microbial leakage, post-treatment failures, and tissue regeneration. With an increasing focus on the chemical, mechanical, and biological properties of materials—alongside their cytotoxicity and genotoxicity—there is a growing need to consolidate research in this domain.

This Special Issue aims to present a focused collection of research that explores the development, characterization, and clinical performance of materials used in endodontics and dental restoration. It seeks to bridge basic material science with applied clinical outcomes, ensuring a multidisciplinary approach that aligns with the journal’s core focus on dental biomaterials, bioengineering, and therapeutic technologies.

The scope of this Special Issue includes, but is not limited to, the following topics:

  • Novel root canal sealers and obturation materials;
  • Bioceramic and bioactive materials in pulp therapy and repair;
  • Mechanical and chemical characterization of dental materials;
  • Biocompatibility assessments (cytotoxicity, genotoxicity);
  • Antimicrobial and functional properties of dental materials;
  • Nanomaterials, smart systems, and regenerative scaffolds;
  • Surface modification and adhesive interactions with dentin;
  • Long-term clinical performance and degradation of dental materials;
  • Three-dimensional printing and digital workflows in restorative/endodontic applications.

We look forward to receiving your contributions.

Dr. Mateusz Radwanski
Prof. Dr. Monika Lukomska-Szymanska
Dr. Ewa Zmysłowska-Polakowska
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • endodontic materials
  • dental restorative materials
  • dental biomaterials
  • mechanical properties
  • chemical properties
  • biocompatibility
  • antibacterial properties
  • nanomaterials in dentistry
  • dental material innovation
  • regenerative endodontics
  • dentin–material interface
  • clinical performance
  • material degradation
  • 3D printing in dental materials
  • tissue–material
  • interactions
  • surface modification

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Published Papers (1 paper)

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Research

16 pages, 21768 KB  
Article
Evaluation of Fracture Toughness and Surface Roughness of a Novel Experimental Short Fiber-Reinforced CAD/CAM Block Material (In Vitro Study)
by Zakaria Jamal Mohammad and Diyar Khalid Bakr
Coatings 2025, 15(12), 1485; https://doi.org/10.3390/coatings15121485 - 16 Dec 2025
Viewed by 180
Abstract
The existing scientific literature indicates that flowable short fiber-reinforced composites (SFRCs) can be used for direct restoration due to their favorable mechanical properties. However, there is a lack of data on the mechanical properties of SFRCs designed specifically for indirect CAD/CAM restorations. This [...] Read more.
The existing scientific literature indicates that flowable short fiber-reinforced composites (SFRCs) can be used for direct restoration due to their favorable mechanical properties. However, there is a lack of data on the mechanical properties of SFRCs designed specifically for indirect CAD/CAM restorations. This study aims to fabricate a novel experimental SFRC CAD/CAM block and evaluate its fracture toughness and polishability as an indirect restoration in comparison with different conventional resin-based CAD/CAM blocks with different compositions. Fourier-transform infrared spectroscopy (FTIR) was employed to analyze the chemical structure of the Experimental SFRC group, while the microstructure of specimens from each group was examined using scanning electron microscopy (SEM). Then, this study divided the specimens into three groups—Group 1 (Grandio blocks), Group 2 (Cerasmart 270), and Group 3 (Experimental SFRC)—with 30 specimens in each group. Each group was then subdivided into sub-groups for the fracture toughness test, which evaluated resistance to crack propagation, and the surface roughness test, which assessed surface topography. FTIR analysis showed that the experimental SFRC exhibited distinct spectral changes after polymerization, confirming successful chemical reactions and network formation. SEM analysis showed that the Experimental SFRC block had a polymeric matrix with randomly oriented, well-dispersed short fibers. Grandio blocs exhibited a dense nanohybrid structure with irregular fillers, while Cerasmart 270 displayed a more uniform microstructure with evenly dispersed nano-sized spherical fillers. The Experimental SFRC showed the highest fracture toughness (2.758 MPa·√m), surpassing the other groups (p < 0.05) and highlighting its superior resistance to crack propagation. Regarding surface roughness Ra, the novel Experimental SFRC group (0.182) presented a significant difference compared to other groups (p < 0.05) but within clinical acceptance, and they can be well polished for clinical use after milling. The Cerasmart 270 block showed the lowest surface roughness Ra (0.135) among the groups, which is attributed to its filler size, geometry, and composition, resulting in a smoother surface. The higher fracture toughness of the Experimental SFRC among the groups suggests superior resistance to crack propagation, attributed to the incorporation of short fibers that enhance energy absorption and reduce brittleness, thereby supporting its suitability for high-stress-bearing clinical applications. Full article
(This article belongs to the Special Issue Progress and Prospects in Dental Materials and Endodontic Sciences)
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