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Bond strength of conventional, subtractive, and additive manufactured denture bases to soft and hard relining materials.

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Title: Bond strength of conventional, subtractive, and additive manufactured denture bases to soft and hard relining materials.
Authors: Wemken, Gregor1 (AUTHOR), Burkhardt, Felix1 (AUTHOR), Spies, Benedikt Christopher1 (AUTHOR) benedikt.spies@uniklinik-freiburg.de, Kleinvogel, Laura1 (AUTHOR), Adali, Ufuk2 (AUTHOR), Sterzenbach, Guido2 (AUTHOR), Beuer, Florian2 (AUTHOR), Wesemann, Christian1,2 (AUTHOR)
Source: Dental Materials. May2021, Vol. 37 Issue 5, p928-938. 11p.
Subjects: Bond strengths, Hard materials, Dentures, Flexural strength, Water storage
Abstract: • Evaluation of tensile and flexural bond strength after thermocycling and microwaving. • Equal bond strength of soft relining to all evaluated denture base materials. • Doubled bond strength of chairside hard relining to additive denture bases material. • Decreased bond strength of indirect hard relining to CAD–CAM denture base materials. • Effect of microwaving on bond strength is similar to thermocycling. To investigate the tensile and flexural strength of poured, subtractive, and additive manufactured denture base methacrylates bonded to soft and hard relining materials after hydrothermal cycling and microwave irradiation. This study included a conventional (CB), subtractive (SB), and additive (AB) base material as well as a soft (SCR) and hard (HCR) chairside and one hard laboratory-side (HLR) relining material. Reference bodies of the base materials and bonded specimens to the relining materials were produced with a rectangular cross-section. The specimens were either pre-treated by water storage (50 h, 37 °C), hydrothermal cycling (5000 cycles, 5 °C and 55 °C, 30 s each), or microwave irradiation (6 cycles, 640 W, 3 min, wet). A tensile and four-point bending test were performed for a total of 504 specimens. Data were analysed using multivariate analysis of variance (MANOVA) with post-hoc Tukey tests (α = 0.05). In comparison with the other reference groups SB showed marginally higher tensile and flexural strength (p < 0.047). Bond strength to SCR was affected neither by the base material nor by the pre-treatment (p > 0.085). HCR demonstrated twice the bond strength to AB compared with SB and CB (p ≤ 0.001). HLR showed the highest bond strength to CB (p ≤ 0.001). There was no difference between the specimens after hydrothermally cycling and microwave irradiation (p > 0.318). The bond strength of hard relining materials to subtractive and additive manufactured denture bases differ compared with conventional pouring. [ABSTRACT FROM AUTHOR]
Copyright of Dental Materials is the property of Elsevier B.V. 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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  Data: Bond strength of conventional, subtractive, and additive manufactured denture bases to soft and hard relining materials.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Wemken%2C+Gregor%22&quot;&gt;Wemken, Gregor&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Burkhardt%2C+Felix%22&quot;&gt;Burkhardt, Felix&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Spies%2C+Benedikt+Christopher%22&quot;&gt;Spies, Benedikt Christopher&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;i&gt; benedikt.spies@uniklinik-freiburg.de&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Kleinvogel%2C+Laura%22&quot;&gt;Kleinvogel, Laura&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Adali%2C+Ufuk%22&quot;&gt;Adali, Ufuk&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Sterzenbach%2C+Guido%22&quot;&gt;Sterzenbach, Guido&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Beuer%2C+Florian%22&quot;&gt;Beuer, Florian&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Wesemann%2C+Christian%22&quot;&gt;Wesemann, Christian&lt;/searchLink&gt;&lt;relatesTo&gt;1,2&lt;/relatesTo&gt; (AUTHOR)
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22Dental+Materials%22&quot;&gt;Dental Materials&lt;/searchLink&gt;. May2021, Vol. 37 Issue 5, p928-938. 11p.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Evaluation of tensile and flexural bond strength after thermocycling and microwaving. • Equal bond strength of soft relining to all evaluated denture base materials. • Doubled bond strength of chairside hard relining to additive denture bases material. • Decreased bond strength of indirect hard relining to CAD–CAM denture base materials. • Effect of microwaving on bond strength is similar to thermocycling. To investigate the tensile and flexural strength of poured, subtractive, and additive manufactured denture base methacrylates bonded to soft and hard relining materials after hydrothermal cycling and microwave irradiation. This study included a conventional (CB), subtractive (SB), and additive (AB) base material as well as a soft (SCR) and hard (HCR) chairside and one hard laboratory-side (HLR) relining material. Reference bodies of the base materials and bonded specimens to the relining materials were produced with a rectangular cross-section. The specimens were either pre-treated by water storage (50 h, 37 &#176;C), hydrothermal cycling (5000 cycles, 5 &#176;C and 55 &#176;C, 30 s each), or microwave irradiation (6 cycles, 640 W, 3 min, wet). A tensile and four-point bending test were performed for a total of 504 specimens. Data were analysed using multivariate analysis of variance (MANOVA) with post-hoc Tukey tests (α = 0.05). In comparison with the other reference groups SB showed marginally higher tensile and flexural strength (p &lt; 0.047). Bond strength to SCR was affected neither by the base material nor by the pre-treatment (p &gt; 0.085). HCR demonstrated twice the bond strength to AB compared with SB and CB (p ≤ 0.001). HLR showed the highest bond strength to CB (p ≤ 0.001). There was no difference between the specimens after hydrothermally cycling and microwave irradiation (p &gt; 0.318). The bond strength of hard relining materials to subtractive and additive manufactured denture bases differ compared with conventional pouring. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Dental Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder&#39;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.&lt;/i&gt; (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.dental.2021.02.018
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 928
    Subjects:
      – SubjectFull: Bond strengths
        Type: general
      – SubjectFull: Hard materials
        Type: general
      – SubjectFull: Dentures
        Type: general
      – SubjectFull: Flexural strength
        Type: general
      – SubjectFull: Water storage
        Type: general
    Titles:
      – TitleFull: Bond strength of conventional, subtractive, and additive manufactured denture bases to soft and hard relining materials.
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            NameFull: Wemken, Gregor
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              M: 05
              Text: May2021
              Type: published
              Y: 2021
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              Value: 37
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