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Research and Application Advantages of 3D-Printed Dental Materials
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Research and Application Advantages of 3D-Printed Dental Materials

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

Deadline for manuscript submissions: 20 August 2025 | Viewed by 2227

Special Issue Editor

Dr. Jingwei He

E-Mail Website
Guest Editor
College of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China
Interests: dental resin composites; glass ionomer cements; dental bonding agent; acrylic bone cement; antibacterial materials; 3D print materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Additive manufacturing, also know as three-dimensional (3D) printing, is a technique used for stacking raw materials layer by layer in order to form the final object. In dentistry, 3D-printing technology has been applied to manufacture several dental devices such as surgical guides, dental splints, denture bases, provisional crowns, etc. Besides the development of the 3D printer, the development of the materials used in this technology is also crucial. In dentistry, the 3D-printable materials should possess sufficient mechanical properties, high accuracy, good environmental resistance, excellent biocompatibility, and so on.

In this Special Issue, we intend to collect recent reports of advancements in 3D-printable materials for dental application. Research articles, review articles, and short communications related to this topic are welcome.

Your submission is highly appreciated and would be valuable to this Special Issue.

Dr. Jingwei He
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Materials is an international peer-reviewed open access semimonthly 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

  • 3D printing
  • dental application
  • materials
  • polymer
  • ceramic
  • composites
  • metals.

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Published Papers (3 papers)

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Research

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12 pages, 2319 KiB  
Article
Dental Casts for Fixed Dental Prostheses Printed with SLA Technology: Influence of External Shell Thickness and Printing Orientation
by Ignacio García-Gil, Verónica Rodríguez Alonso, Celia Tobar Arribas, Seyed Ali Mosaddad, Jesús Peláez and María J. Suárez
Materials 2025, 18(10), 2246; https://doi.org/10.3390/ma18102246 - 12 May 2025
Viewed by 295
Abstract
Printed cast models are becoming increasingly important in prosthodontics. The aim of this in vitro study was to evaluate the influence of print orientation and external shell thickness on the accuracy of stereolithography (SLA) master casts for fixed dental prostheses. Seventy-two maxillary hollow [...] Read more.
Printed cast models are becoming increasingly important in prosthodontics. The aim of this in vitro study was to evaluate the influence of print orientation and external shell thickness on the accuracy of stereolithography (SLA) master casts for fixed dental prostheses. Seventy-two maxillary hollow master casts were fabricated from a standard tessellation language (STL 0) reference file containing dental preparations. The casts were divided into six groups (n = 12 per group) according to internal shell thickness (2 mm and 4 mm) and print orientation (0°, 10°, and 20°). Discrepancies between STL 0 and the STL files of the printed casts were measured using the root mean square (RMS) error. Data were statistically analyzed using a one-way Kruskal–Wallis test to assess trueness, and precision was evaluated with the Levene test (α = 0.05). No statistically significant differences were found in any of the tested conditions. Print orientation and cast thickness did not influence the overall accuracy of SLA master casts for fixed dental prostheses. Full article
(This article belongs to the Special Issue Research and Application Advantages of 3D-Printed Dental Materials)
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13 pages, 2963 KiB  
Article
Flexural Strength and Surface Properties of 3D-Printed Denture Base Resins—Effect of Build Angle, Layer Thickness and Aging
by Shaimaa Fouda, Wenjie Ji, Mohammed M. Gad, Maram A. AlGhamdi and Nadja Rohr
Materials 2025, 18(4), 913; https://doi.org/10.3390/ma18040913 - 19 Feb 2025
Viewed by 747
Abstract
A variety of printable resins for denture bases are available, without detailed instructions on print parameters. This study aimed to evaluate the effect of the printing build angle and the layer thickness of 3D-printed denture base resins before and after thermocyclic aging on [...] Read more.
A variety of printable resins for denture bases are available, without detailed instructions on print parameters. This study aimed to evaluate the effect of the printing build angle and the layer thickness of 3D-printed denture base resins before and after thermocyclic aging on flexural strength values and surface properties. The flexural strength, surface roughness (Ra, Rz) and hardness (HM, HV2) of two 3D-printed denture base resins (Formlabs (FL) and V-print dentbase, VOCO, (VC)) were therefore compared to a conventionally pressed cold-curing control material (PalaXpress (PP)). The specimens were printed at a 0°, 45° or 90° build angle and the layer thickness was varied for FL at 50 and 100 µm and evaluated before and after thermocyclic aging (N = 200; n = 10). Differences in flexural strength values were analyzed using multifactorial ANOVAs (α = 0.05). The build angle and aging significantly affected the flexural strength of the 3D-printed denture base resins (p < 0.05), while the layer thickness showed no effect for FL (p = 0.461). The required threshold value of 65 MPa defined by ISO 20795-1 was exceeded by PP (70.5 MPa ± 5.5 MPa), by FL when printed at 90° (69.3 MPa ± 7.7 MPa) and by VC at 0° (69.0 MPa ± 4.6 MPa). The choice of an appropriate build angle for each material and printing technology is crucial for the flexural strength and consequently the clinical longevity of a printed denture base. Full article
(This article belongs to the Special Issue Research and Application Advantages of 3D-Printed Dental Materials)
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Review

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63 pages, 13322 KiB  
Review
Three-Dimensional Printing Resin-Based Dental Provisional Crowns and Bridges: Recent Progress in Properties, Applications, and Perspectives
by Xiaoxu Liang, Biao Yu, Yuan Dai, Yueyang Wang, Mingye Hu, Hai-Jing Zhong and Jingwei He
Materials 2025, 18(10), 2202; https://doi.org/10.3390/ma18102202 - 10 May 2025
Viewed by 791
Abstract
Three-dimensional (3D) printing represents a pivotal technological advancement in dental prosthetics, fundamentally transforming the fabrication of provisional crowns and bridges through innovative vat photopolymerization methodologies, specifically stereolithography (SLA) and digital light processing (DLP). This comprehensive scholarly review critically examines the technological landscape of [...] Read more.
Three-dimensional (3D) printing represents a pivotal technological advancement in dental prosthetics, fundamentally transforming the fabrication of provisional crowns and bridges through innovative vat photopolymerization methodologies, specifically stereolithography (SLA) and digital light processing (DLP). This comprehensive scholarly review critically examines the technological landscape of 3D-printed resin-based dental provisional crowns and bridges, systematically analyzing their material performance, clinical applications, and prospective developmental trajectories. Empirical investigations demonstrate that these advanced restorations exhibit remarkable mechanical characteristics, including flexural strength ranging from 60 to 90 MPa and fracture resistance of 1000–1200 N, consistently matching or surpassing traditional manufacturing techniques. The digital workflow introduces substantial procedural innovations, dramatically reducing fabrication time while simultaneously achieving superior marginal adaptation and internal architectural precision. Despite these significant technological advancements, critical challenges persist, encompassing material durability limitations, interlayer bonding strength inconsistencies, and the current paucity of longitudinal clinical evidence. Contemporary research initiatives are strategically focused on optimizing resin formulations through strategic filler incorporation, enhancing post-processing protocols, and addressing fundamental limitations in color stability and water sorption characteristics. Ultimately, this scholarly review aims to provide comprehensive insights that will inform evidence-based clinical practices and delineate future research trajectories in the dynamically evolving domain of digital dentistry, with the paramount objective of advancing patient outcomes through technological innovation and precision-driven methodological approaches. Full article
(This article belongs to the Special Issue Research and Application Advantages of 3D-Printed Dental Materials)
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