Reusability of dental models modeled with virgin PLA added to recycled polylactic acid (PLA)

DOI
  • Nagata Koudai
    Department of Oral and Maxillofacial Implantology, Kanagawa Dental University
  • Kimoto Katsuhiko
    Department of Fixed Prosthodontics, Kanagawa Dental University
  • Kawana Hiromasa
    Department of Oral and Maxillofacial Implantology, Kanagawa Dental University

Bibliographic Information

Other Title
  • 再利用ポリ乳酸（PLA）にバージンPLAを添加して造形した歯科模型の再利用性

Abstract

<p> This study aimed to reduce industrial waste in dentistry. After models made of polylactic acid (PLA) were sculpted and polished by a fused filament method (FFF) 3D printer, we investigated whether adding different proportions of virgin PLA to reused PLA filaments would increase the number of times they could be reused. Three cycles of recycling were performed with virgin PLA added at 25%, 50%, and 75% of the recycled PLA to verify the accuracy. The same provisional crown was placed on a PLA model and photographed using micro-computed tomography, and the marginal fit was measured using 3D image analysis software to determine accuracy. It was suggested that the 25% virgin PLA group could be reused three times, the 50% virgin PLA group twice, and the 75% virgin PLA group once.</p>

Journal

Keywords

Details 詳細情報について

  • CRID
    1390299362593180416
  • DOI
    10.57516/jdd.13.3_98
  • ISSN
    24327654
  • Text Lang
    ja
  • Data Source
    • JaLC
  • Abstract License Flag
    Allowed

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