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JYMS : Journal of Yeungnam Medical Science

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1 "Polylactic acid"
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Three-dimensional printing of temporary crowns with polylactic acid polymer using the fused deposition modeling technique: a case series
Eun-Kyong Kim, Eun Young Park, Sohee Kang
J Yeungnam Med Sci. 2023;40(3):302-307.   Published online November 4, 2022
DOI: https://doi.org/10.12701/jyms.2022.00612
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AbstractAbstract PDF
With recent developments in digital dentistry, research on techniques and materials for three-dimensional (3D) printing is actively underway. We report the clinical applications and outcomes of 3D printing of temporary crowns fabricated with polylactic acid (PLA) using a fused deposition modeling (FDM) printer. Five participants were recruited from among patients scheduled to be treated with a single full-coverage crown at a dental clinic in a university medical center from June to August 2022. We used 3D-printed crowns fabricated with PLA using an FDM printer as temporary crowns and were assessed for discomfort, fracture, and dislodging. The 3D-printed temporary crowns were maintained without fracture, dislodging, or discomfort until the permanent prosthesis was ready. The average time required for printing the temporary crowns was approximately 7 minutes. The 3D printing of temporary crowns with PLA using an FDM printer is a convenient process for dentists. However, these crowns have some limitations, such as rough surface texture and translucency; therefore, the 3D printing process should be improved to produce better prostheses.

Citations

Citations to this article as recorded by  
  • Cytotoxicity of dental self-curing resin for a temporary crown: an in vitro study
    Jae-wan Ko, Joon Sakong, Sohee Kang
    Journal of Yeungnam Medical Science.2023; 40(Suppl): S1.     CrossRef
  • Wear resistance of dental resin crowns in accordance with different additive manufacturing technologies and abrader types during chewing simulations
    Myoung Ji Choi, Jae-Sung Kwon
    Korean Journal of Dental Materials.2023; 50(4): 217.     CrossRef
JYMS : Journal of Yeungnam Medical Science
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