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ORIGINAL ARTICLE
Year : 2017  |  Volume : 51  |  Issue : 4  |  Page : 245-249

Stress evaluation of titanium-gold and titanium-aluminum-vanadium alloy for orthodontic implants: A comparative finite element model study


1 PG student, Department of Orthodontics and Dentofacial Orthopaedics, M.G.V.'S K.B.H. Dental College and Hospital, Nashik, Maharashtra, India
2 Prof., Department of Orthodontics and Dentofacial Orthopaedics, M.G.V.'S K.B.H. Dental College and Hospital, Nashik, Maharashtra, India
3 Prof. and HOD, Department of Orthodontics and Dentofacial Orthopaedics, M.G.V.'S K.B.H. Dental College and Hospital, Nashik, Maharashtra, India
4 B Tech Mechanical Engineer, Research and Development Department, Mechwell Industries Ltd., Mumbai, Maharashtra, India
5 Lecturer, Department of Orthodontics and Dentofacial Orthopaedics, M.G.V.'S K.B.H. Dental College and Hospital, Nashik, Maharashtra, India

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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jios.jios_20_17

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Introduction: With the increased popularity of implants, orthodontists are in search of a better material. Titanium-gold (Ti-Au) is a newer material and could be a choice to replace the currently popular titanium-aluminum-vanadium (Ti-6Al-4Va) alloy. Materials and Methods: Using the finite element analysis method, three-dimensional computer-aided models of a mini-implant was designed. Two cylindrical bone pieces into which the implant was inserted were used. A force magnitude of 5 N was then horizontally and separately applied to the implant head. Results: Comparison of the maximum von Mises stress in the implants of Ti-6Al-4Va and Ti-Au was done. The maximum stress value of 252.356 and 242.415 Mpa, as well as maximum deformation of 0.025 mm and 0.019 mm, on Ti-6Al-4Va and Ti-Au can be observed, respectively. Conclusion: It was found that the maximum stress and maximum deformation values were lower in Ti-Au as compared to Ti-6Al-4Va implant. As the Ti-Au implant has greater resistance to deformation, it can be concluded that this newer alloy has better strength than Ti-6Al-4Va implant.


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