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The Effect of Sterilization Methods on the Mechanical Properties of 3D-Printed and Conventional PMMA Materials for Denture Bases of Immediate Obturators.

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Title: The Effect of Sterilization Methods on the Mechanical Properties of 3D-Printed and Conventional PMMA Materials for Denture Bases of Immediate Obturators.
Authors: Cybulska, Anna1 (AUTHOR), Mańka-Malara, Katarzyna2 (AUTHOR), Krasowski, Michał3 (AUTHOR), Sokołowski, Jerzy4 (AUTHOR), Zwoliński, Jakub5 (AUTHOR), Rafalski, Andrzej6 (AUTHOR), Kostrzewa-Janicka, Jolanta1 (AUTHOR)
Source: Polymers (20734360). May2025, Vol. 17 Issue 9, p1279. 14p.
Subjects: Radiation sterilization, Sterilization (Disinfection), Dentures, Impact strength, Fracture strength, Dental materials
Abstract: The use of 3D printing in the fabrication of immediate prosthetic restorations requires the possibility of sterilization. This study aimed to evaluate the effects of different sterilization methods on the parameters of 3D-printing materials for dental prosthesis plates compared to conventional acrylic material. Forty-four samples were prepared for each tested material: Denture 3D+ (NextDent, The Netherlands), Denturetec (Saremco, Switzerland), Optiprint Laviva (Dentona, Germany), and Rapid Simplified (Vertex Dental, Netherlands). The impact strength of the samples was tested in a HIT 5.5P instrument (Zwick Roell, Germany) after three sterilization methods (pressurized steam, ethylene oxide, and radiation) and without sterilization as a control group. Significantly higher energy and impact strength were recorded for the conventional acrylic material. For Nextdent material, the recommended method of sterilization in terms of impaction is autoclave or ethylene oxide sterilization, Saremco—ethylene oxide sterilization, and Denton—ethylene oxide or radiation sterilization. Conventional acrylic material has a higher impact strength than 3D-printed material, which may encourage the selection of this material for restorations requiring higher fracture strength. The possibility of sterilizing the Nextdent 3D-printed material in the autoclave without worsening its durability makes it a recommended choice for digital clinical practice. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: The Effect of Sterilization Methods on the Mechanical Properties of 3D-Printed and Conventional PMMA Materials for Denture Bases of Immediate Obturators.
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  Data: <searchLink fieldCode="AR" term="%22Cybulska%2C+Anna%22">Cybulska, Anna</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mańka-Malara%2C+Katarzyna%22">Mańka-Malara, Katarzyna</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Krasowski%2C+Michał%22">Krasowski, Michał</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sokołowski%2C+Jerzy%22">Sokołowski, Jerzy</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zwoliński%2C+Jakub%22">Zwoliński, Jakub</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rafalski%2C+Andrzej%22">Rafalski, Andrzej</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kostrzewa-Janicka%2C+Jolanta%22">Kostrzewa-Janicka, Jolanta</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. May2025, Vol. 17 Issue 9, p1279. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Radiation+sterilization%22">Radiation sterilization</searchLink><br /><searchLink fieldCode="DE" term="%22Sterilization+%28Disinfection%29%22">Sterilization (Disinfection)</searchLink><br /><searchLink fieldCode="DE" term="%22Dentures%22">Dentures</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+strength%22">Impact strength</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+strength%22">Fracture strength</searchLink><br /><searchLink fieldCode="DE" term="%22Dental+materials%22">Dental materials</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The use of 3D printing in the fabrication of immediate prosthetic restorations requires the possibility of sterilization. This study aimed to evaluate the effects of different sterilization methods on the parameters of 3D-printing materials for dental prosthesis plates compared to conventional acrylic material. Forty-four samples were prepared for each tested material: Denture 3D+ (NextDent, The Netherlands), Denturetec (Saremco, Switzerland), Optiprint Laviva (Dentona, Germany), and Rapid Simplified (Vertex Dental, Netherlands). The impact strength of the samples was tested in a HIT 5.5P instrument (Zwick Roell, Germany) after three sterilization methods (pressurized steam, ethylene oxide, and radiation) and without sterilization as a control group. Significantly higher energy and impact strength were recorded for the conventional acrylic material. For Nextdent material, the recommended method of sterilization in terms of impaction is autoclave or ethylene oxide sterilization, Saremco—ethylene oxide sterilization, and Denton—ethylene oxide or radiation sterilization. Conventional acrylic material has a higher impact strength than 3D-printed material, which may encourage the selection of this material for restorations requiring higher fracture strength. The possibility of sterilizing the Nextdent 3D-printed material in the autoclave without worsening its durability makes it a recommended choice for digital clinical practice. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/polym17091279
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        Text: English
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      – SubjectFull: Radiation sterilization
        Type: general
      – SubjectFull: Sterilization (Disinfection)
        Type: general
      – SubjectFull: Dentures
        Type: general
      – SubjectFull: Impact strength
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      – SubjectFull: Fracture strength
        Type: general
      – SubjectFull: Dental materials
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    Titles:
      – TitleFull: The Effect of Sterilization Methods on the Mechanical Properties of 3D-Printed and Conventional PMMA Materials for Denture Bases of Immediate Obturators.
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            – D: 01
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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