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25-03-2024 | Denture | Original Article

Development of lightweight and high-strength hollow titanium-plated denture material using three-dimensional printing

Authors: Masahiro Igarashi, Kazuo Ohkuma

Abstract

Owing to its desirable ability to fabricate complex shapes, three-dimensional printing is preferred over casting for manufacturing dentures. Furthermore, titanium is widely used in dental implants and dentures because of its high corrosion resistance, biocompatibility, strength, and low density. In this study, we aimed to develop a new metal denture material from three-dimensional-printed (3DP) to achieve lighter weight and greater strength than those of PMMA dentures. Hollow (3DP-H) structure and solid (3DP-S) structure titanium plate specimens of 0.5, 1.0, and 3.0 mm in thickness were used. Casted Ti, casted Co-Cr, and PMMA plates were fabricated for comparison. Elastic modulus, density, thermal conductivity, hardness, and proof stress of the specimens were measured and plotted on a radar chart to enable multifaceted evaluation. The results indicated that the density of the 3DP-H plates reduced by 28–36% compared with those of 3DP-S and cast Ti plates. The weight of the metal-denture-equivalent section of the 0.5-mm-thick 3DP-H titanium-plated denture reduced to two-thirds that of the 2.0-mm-thick PMMA denture. The proof stress of the 0.5-mm-thick 3DP-H plate increased to about 3 times that of the 2.0-mm-thick PMMA plate. The total value of the 0.5-mm-thick 3DP-H titanium plates was higher than it of the 1.0-mm-thick PMMA plates. This study suggests that it is possible to produce 3DP-H titanium plate dentures exhibiting not only extremely lightweight compared to conventional PMMA dentures but also sufficient strength.

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Title: Development of lightweight and high-strength hollow titanium-plated denture material using three-dimensional printing
Authors: Masahiro Igarashi
Kazuo Ohkuma
Publication date: 25-03-2024
Publisher: Springer Nature Singapore
Keywords: Denture
Laser
Published in: Odontology
Print ISSN: 1618-1247
Electronic ISSN: 1618-1255
DOI: https://doi.org/10.1007/s10266-024-00923-3

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Development of lightweight and high-strength hollow titanium-plated denture material using three-dimensional printing

Abstract

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