Material imaging study of 3D printing materials for diagnostic radiology phantom development
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Brazilian Journal of Radiation Sciences
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The 3D printing techniques have found applications across diverse fields, significantly
enhancing design and manufacturing processes. The impact of this growth is particularly notable
in radiology, where 3D printing has been applied to developing quality control tools and advancing
dosimetry techniques. 3D printing has the advantage of having a wide variety of plastic materials
which can be used in the manufacturing process; there is a scarcity of work developed to evaluate
the attenuation of the x-ray beam of the materials used in printing 3D models for phantom
development. This paper aims to show our results on the imaging characteristics investigation of
15 3D printable materials. 3D objects were printed as cubes of 20 x 20 x 20 mm3 with a 100%
infill and 45°/45° rectilinear structural pattern, and images acquired in a DR X-ray unit were
analyzed with ImageJ software. Imaging pixel values, Signal-to-Noise Ratio – signal-to-noise ratio
and Contrast-to-Noise Ratio – contrast-to-noise ratio were evaluated and compared between the
3D-printed cubes and a standard chest phantom. When comparing the SIGNAL-TO-NOISE
RATIO for plastic materials and chest structures, significant differences were found. Similar
results were found for the contrast-to-noise ratio. The differences were noted by the use of
Kruskal Wallis test for both plastic materials, Tungsten and Bismuth, that demonstrated
statistically significant values of signal-to-noise ratio compared to the lung (p < 0.0001) and right
rib (p < 0.0001). Tungsten and Bismuth filaments were found to have the potential to represent
the signal-to-noise ratio for intermediary and high-density structures. Scapula was the only
anatomical structure with no statistically significant difference of the contrast-to-noise ratio for
SILK (p ≥ 0.074), ABS (p ≥ 0.086), PVA (p ≥ 0.917) and ABSpremium (p ≥ 0.955). The study
of potential radiological 3D printing materials for diagnostic radiology phantom development
revealed important imaging characteristics for the plastic materials using the Fused Filament
Fabrication technique.
Como referenciar
OLIVEIRA, M.V.L.; SAVI, M.; VITOR, A.; VILLANI, D.; ANDRADE, M.A.B.; UBEDA, C.; MITSUO, M.M. Material imaging study of 3D printing materials for diagnostic radiology phantom development. Brazilian Journal of Radiation Sciences, v. 12, n. 4, p. 1-24, 2024. DOI: 10.15392/2319-0612.2024.2556. Disponível em: https://repositorio.ipen.br/handle/123456789/49059. Acesso em: 20 Jan 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.