Analysis of Thermal Conductivity, Surface Roughness, and Hardness of Carbon Nanotube-Reinforced Three-Dimensional Printed Acrylic Resin

Authors

  • Ranin Raad Khalid Department of Prosthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq. https://orcid.org/0009-0001-2799-1989
  • Abdalbseet A Fatalla Department of Prosthodontics, College of Dentistry, University of Baghdad, Baghdad, Iraq. https://orcid.org/0000-0001-5320-8559
  • Matheel AL-Rawas Prosthodontic Unit, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia.
  • Yanti Johari Prosthodontic Unit, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia.
  • Yew Hin Beh Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia. https://orcid.org/0000-0003-2041-9223
  • Johari Yap Abdullah Craniofacial Imaging Laboratory, School of Dental Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, Kota Bharu 16150, Malaysia/Dental Research Unit, Center for Transdisciplinary Research (CFTR), Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 602105, India. https://orcid.org/0000-0002-6147-4192

DOI:

https://doi.org/10.21123/bsj.2024.11832

Keywords:

3D printing, Carbon nanotubes, Digital dentistry, Denture base, Nanotubes

Abstract

The dentistry field is in continuously developing, especially with three-dimensional (3D) printing technology. This study aims to analyze how resin 3D-printed denture bases affect the thermal conductivity, surface roughness, and surface hardness when carbon nanotubes (CNTs) are added at various weight percentages. 3D-printed denture base acrylic resin has been enhanced with CNTs. The samples were divided into three groups (0.5% and 0.7% of CNTs by weight, and a control group with no added CNTs). All samples underwent thermal conductivity, surface roughness, and surface hardness tests. In addition to conducting analyses using Fourier transforms, infrared spectroscopy, and field emission scanning electron microscopy, the data were analyzed using one-way analysis of variance (ANOVA) and multiple comparison tests. Incorporating CNTs into 3D-printed denture bases enhanced surface hardness, roughness, and heat conductivity compared to the control group. This improvement is directly correlated with the concentration of CNTs added. Integrating of CNTs enhances the material's mechanical properties, specifically its thermal conductivity and surface hardness. However, it does not have a great impact on surface roughness. Therefore, caution must be taken when selecting the appropriate CNTs concentrations to be added to the 3D-printing resin to improve the material characteristics.

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Analysis of Thermal Conductivity, Surface Roughness, and Hardness of Carbon Nanotube-Reinforced Three-Dimensional Printed Acrylic Resin. Baghdad Sci.J [Internet]. [cited 2024 Dec. 23];22(7). Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/11832