Design and fabrication of the custom-made titanium condyle by selective laser melting technology / 中华口腔医学杂志
Chinese Journal of Stomatology
;
(12): 625-630, 2014.
Artículo
en Chino
| WPRIM
| ID: wpr-260764
ABSTRACT
<p><b>OBJECTIVE</b>To design and fabricate the custom-made titanium mandibular condyle by the reverse engineering technology combined with selective laser melting (SLM) technology and to explore the mechanical properties of the SLM-processed samples and the application of the custom-made condyle in the temporomandibular joint (TMJ) reconstruction.</p><p><b>METHODS</b>The three-dimensional model of the mandibular condyle was obtained from a series of CT databases. The custom-made condyle model was designed by the reverse engineering software. The mandibular condyle was made of titanium powder with a particle size of 20-65 µm as the basic material and the processing was carried out in an argon atmosphere by the SLM machine. The yield strength, ultimate strength, bending strength, hardness, surface morphology and roughness were tested and analyzed. The finite element analysis (FEA) was used to analyze the stress distribution.</p><p><b>RESULTS</b>The complex geometry and the surface of the custom-made condyle can be reproduced precisely by the SLM. The mechanical results showed that the yield strength, ultimate strength, bending strength and hardness were (559±14) MPa, (659±32) MPa, (1 067±42) MPa, and (212±4)HV, respectively. The surface roughness was reduced by sandblast treatment.</p><p><b>CONCLUSIONS</b>The custom-made titanium condyle can be fabricated by SLM technology which is time-saving and highly digitized. The mechanical properties of the SLM sample can meet the requirements of surgical implant material in the clinic. The possibility of fabricating custom-made titanium mandibular condyle combined with the FEA opens new interesting perspectives for TMJ reconstruction.</p>
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Prótesis e Implantes
/
Diseño de Prótesis
/
Titanio
/
Análisis de Elementos Finitos
/
Materiales Dentales
/
Dureza
/
Rayos Láser
/
Cóndilo Mandibular
Límite:
Humanos
Idioma:
Chino
Revista:
Chinese Journal of Stomatology
Año:
2014
Tipo del documento:
Artículo
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