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Related Experiment Video

Updated: Jun 4, 2026

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
07:28

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization

Published on: February 18, 2022

High-Strength and Durable Functionalized PMMA/MPS-SiO2/CNF Nanocomposite for a Photocurable 3D-Printed Dental

Priyanka Chaudhary1, Tsui-Yun Chung1, Chieh-Ming Tsai2

  • 1Department of Materials Engineering and Biochemical Technology R&D Center, Ming Chi University of Technology, New Taipei City 24301, Taiwan.

ACS Biomaterials Science & Engineering
|June 2, 2026
PubMed
Summary

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A new fibrous nanocomposite (PMECS) enhances 3D-printed dental materials. This photocurable resin, incorporating poly(methyl methacrylate/SiO2) and cellulose nanofibers, shows superior hardness and biocompatibility for dental restorations.

Area of Science:

  • Materials Science
  • Biomaterials Engineering
  • Nanotechnology

Background:

  • Developing advanced materials for 3D-printed dental prosthetics is crucial for improving patient outcomes.
  • Existing dental resins often face limitations in mechanical strength and long-term durability.
  • Photocurable resins offer advantages in rapid fabrication and defect minimization.

Purpose of the Study:

  • To prepare and characterize a novel fibrous nanocomposite (PMECS) for photocurable 3D-printed dental applications.
  • To evaluate the mechanical properties, dimensional stability, and biocompatibility of the developed material.
  • To demonstrate the potential of PMECS as a superior material for high-end restorative dentistry.

Main Methods:

  • Preparation of a poly(methyl methacrylate/SiO2) nanocomposite reinforced with cellulose nanofibers (CNF).
Keywords:
PMMASiO2additive manufacturingdental biomaterialsfibrous scaffoldtissue engineering

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Last Updated: Jun 4, 2026

3D Printing and In Situ Surface Modification via Type I Photoinitiated Reversible Addition-Fragmentation Chain Transfer Polymerization
07:28

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  • Fabrication of incisor-shaped artificial teeth using stereolithography (SLA) with the PMECS resin.
  • Mechanical testing using Vickers hardness, and cytotoxicity assessment.

    • Main Results:

    • The optimized PMECS hybrid composite achieved a Vickers hardness of 126.11 ± 4.3 HV.
    • 3D-printed teeth made from PMECS exhibited exceptional hardness (195 ± 5.4 HV) due to fibrous morphology.
    • Cytotoxicity tests confirmed the biocompatibility of the PMECS composites.

    Conclusions:

    • The fibrous PMECS resin significantly enhances the mechanical strength and reliability of 3D-printed dental materials.
    • This material shows great promise for advanced 3D-printed prosthetic dental strategies.
    • PMECS is an ideal candidate for high-end restorative dentistry applications.