Fabrication of titanium alloy frameworks for complete dentures by selective laser melting

The Journal of Prosthetic Dentistry
Manabu KanazawaNaoyuki Nomura


Casting difficulties have led to the limited use of titanium in dental prostheses. The selective laser melting system was recently developed to fabricate biomedical components from titanium alloys. However, the fabrication of a titanium alloy framework for a maxillary complete denture by selective laser melting has not yet been investigated. The purpose of the study was to fabricate thin titanium alloy frameworks for a maxillary complete denture with a selective laser melting system and to evaluate their hardness and microstructure. A cast of an edentulous maxilla was scanned with a dental 3-dimensional cone-beam computed tomography system, and standard triangulation language data were produced with the DICOM Viewer (Digital Imaging and Communications in Medicine). Two types of metal frameworks for complete dentures were designed with 3-dimensional computer-aided design software. Two titanium alloy frameworks, SLM-1 and SLM-2, were fabricated from these designs with the selective laser melting system. Plate-shaped specimens were cut from the central flat region of SLM-1, SLM-2, and as-cast Ti-6Al-4V (As-cast). Vickers hardness testing, optical microscopy, and x-ray diffraction measurements were performed. Thin titanium alloy fr...Continue Reading


Nov 1, 1989·Journal of Dental Research·H HamanakaO Okuno
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Nov 29, 2011·Dental Materials : Official Publication of the Academy of Dental Materials·Richard van Noort
Feb 22, 2012·Journal of Materials Science. Materials in Medicine·F J GilJ M Llamas

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