The color stability and wear resistance of provisional implant restorations: A prospective clinical study

Alevizakos, Vasilios; Mitov, Gergo; Teichert, Franziska; See, Constantin von

doi:10.1002/cre2.311

Cited by 4 publications

(1 citation statement)

References 23 publications

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“… 13 However, the mechanical and surface characteristics of the novel interim materials after long-term use are still unclear. 14 Therefore, this in vitro study aimed to compare the wear resistance and surface roughness of 3D printed, CAD/CAM milled, and conventionally fabricated interim restorative materials. The null hypothesis of this study was that there is no difference in the wear amount and surface roughness between the tested interim materials after simulated chewing.…”

Section: Introductionmentioning

confidence: 99%

Wear of 3D printed and CAD/CAM milled interim resin materials after chewing simulation

et al. 2021

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PURPOSE The purpose of this in vitro study was to investigate the wear resistance and surface roughness of three interim resin materials, which were subjected to chewing simulation. MATERIALS AND METHODS Three interim resin materials were evaluated: (1) three-dimensional (3D) printed (digital light processing type), (2) computer-aided design and computer-aided manufacturing (CAD/CAM) milled, and (3) conventional polymethyl methacrylate interim resin materials. A total of 48 substrate specimens were prepared. The specimens were divided into two subgroups and subjected to 30,000 or 60,000 cycles of chewing simulation (n = 8). The wear volume loss and surface roughness of the materials were compared. Statistical analysis was performed using one-way analysis of variance and Tukey's post-hoc test (α=.05). RESULTS The mean ± standard deviation values of wear volume loss (in mm 3 ) against the metal abrader after 60,000 cycles were 0.10 ± 0.01 for the 3D printed resin, 0.21 ± 0.02 for the milled resin, and 0.44 ± 0.01 for the conventional resin. Statistically significant differences among volume losses were found in the order of 3D printed, milled, and conventional interim materials ( P <.001). After 60,000 cycles of simulated chewing, the mean surface roughness (Ra; μm) values for 3D printed, milled, and conventional materials were 0.59 ± 0.06, 1.27 ± 0.49, and 1.64 ± 0.44, respectively. A significant difference was found in the Ra value between 3D printed and conventional materials ( P =.01). CONCLUSION The interim restorative materials for additive and subtractive manufacturing digital technologies exhibited less wear volume loss than the conventional interim resin. The 3D printed interim restorative material showed a smoother surface than the conventional interim material after simulated chewing.

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Section: Introductionmentioning

confidence: 99%

Wear of 3D printed and CAD/CAM milled interim resin materials after chewing simulation

et al. 2021

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PEEK-based 3D printing: a paradigm shift in implant revolution for healthcare

Kennedy,

GR,

et al. 2024

Polymer-Plastics Technology and Materials

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A systematic review of the process parameters, mechanical characteristics and applications of polyether ether ketone (PEEK) and its composites by additive manufacturing

M G

2024

Eng. Res. Express

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Additive manufacturing (AM) provides an innovative and reliable method of developing medical products with anatomically relevant geometry and mechanical performance.The design of fused deposition modelling (FDM) parameters has a major impact on the characteristics of the product fabricated utilizing FDM. Numerous studies have been conducted to assess the impact of various FDM process parameters on enhancing the print quality attributes of manufactured components such as mechanical characteristics, production times, dimensional accuracy, and surface finish. Because of the complexity features of the FDM process and the contradicting process parameters, the advancement has been slow and poorly coordinated. This work intends to provide a complete review of recent research of PEEK and CF-PEEK printed parts, where the effect of process factors on tensile strength has been described. Furthermore, PEEK has been employed in a variety of sectors including medical, aerospace and chemical.

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The color stability and wear resistance of provisional implant restorations: A prospective clinical study

Cited by 4 publications

References 23 publications

Wear of 3D printed and CAD/CAM milled interim resin materials after chewing simulation

Wear of 3D printed and CAD/CAM milled interim resin materials after chewing simulation

PEEK-based 3D printing: a paradigm shift in implant revolution for healthcare

A systematic review of the process parameters, mechanical characteristics and applications of polyether ether ketone (PEEK) and its composites by additive manufacturing

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