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Volume 148
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Proceeding Paper

Impact of Post-Processing Cleaning Agents on the Mechanical and Physical Properties of Water-Washable vs. Conventional 3D-Printed Dental Resins †

by
Roxana Gheorghita
1,
Irina Besliu Bancescu
2,* and
Alexandru Nemtoi
1
1
Faculty of Medicine and Biological Sciences, Stefan cel Mare University of Suceava, 720229 Suceava, Romania
2
Faculty of Mechanical Engineering, Automotive Engineering and Robotics, Stefan cel Mare University of Suceava, 720229 Suceava, Romania
*
Author to whom correspondence should be addressed.
†
Presented at the International Conference on Electromagnetic Fields, Signals and BioMedical Engineering (ICEMS-BIOMED), Suceava, Romania, 7–9 May 2026.
Eng. Proc. 2026, 148(1), 9; https://doi.org/10.3390/engproc2026148009
Published: 1 July 2026
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Abstract

This study aimed to evaluate the influence of various 3D printing resins and post-processing cleaning protocols on the physical and mechanical characteristics of printed dental models. Specifically, the research compared the effects of water-based vs. isopropyl alcohol (IPA)-based cleaning on surface morphology, mass, color stability, and mechanical durability. The findings revealed that surface roughness and microstructure remained constant regardless of the solvent used, indicating that these properties are primarily driven by resin composition and curing protocols. However, specimens cleaned with water exhibited slightly higher mass values due to moisture retention or lower evaporation rates. Color stability remained unaffected by the post-processing method. Most notably, water-cleaned models demonstrated superior mechanical durability and structural integrity compared to those processed with IPA, which is often associated with micro-fractures and excessive dehydration.
Keywords: additive manufacturing; 3D printing resins; mechanical durability additive manufacturing; 3D printing resins; mechanical durability

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MDPI and ACS Style

Gheorghita, R.; Besliu Bancescu, I.; Nemtoi, A. Impact of Post-Processing Cleaning Agents on the Mechanical and Physical Properties of Water-Washable vs. Conventional 3D-Printed Dental Resins. Eng. Proc. 2026, 148, 9. https://doi.org/10.3390/engproc2026148009

AMA Style

Gheorghita R, Besliu Bancescu I, Nemtoi A. Impact of Post-Processing Cleaning Agents on the Mechanical and Physical Properties of Water-Washable vs. Conventional 3D-Printed Dental Resins. Engineering Proceedings. 2026; 148(1):9. https://doi.org/10.3390/engproc2026148009

Chicago/Turabian Style

Gheorghita, Roxana, Irina Besliu Bancescu, and Alexandru Nemtoi. 2026. "Impact of Post-Processing Cleaning Agents on the Mechanical and Physical Properties of Water-Washable vs. Conventional 3D-Printed Dental Resins" Engineering Proceedings 148, no. 1: 9. https://doi.org/10.3390/engproc2026148009

APA Style

Gheorghita, R., Besliu Bancescu, I., & Nemtoi, A. (2026). Impact of Post-Processing Cleaning Agents on the Mechanical and Physical Properties of Water-Washable vs. Conventional 3D-Printed Dental Resins. Engineering Proceedings, 148(1), 9. https://doi.org/10.3390/engproc2026148009

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