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Design and numerical-method-aided optimization of a novel attachment system for implant-retained dental prostheses using NiTi shape memory alloys
- 1.0567742 - FZÚ 2024 RIV CH eng J - Článek v odborném periodiku
Shayanfard, Pejman - Wendler, F. - Hempel, P. - Karl, M.
Design and numerical-method-aided optimization of a novel attachment system for implant-retained dental prostheses using NiTi shape memory alloys.
Applied Sciences-Basel. Roč. 13, č. 1 (2023), č. článku 491. E-ISSN 2076-3417
Institucionální podpora: RVO:68378271
Klíčová slova: dental prosthesis * implant-supported * denture precision attachment * finite element analysis * shape memory alloys
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 2.7, rok: 2022
Způsob publikování: Open access
While nickel-titanium (NiTi) is the primary shape memory alloy (SMA) used in endodontic instruments, restorative dental components so far have not been fabricated from SMAs. The flexibility of these materials may solve problems in implant prosthodontics resulting from non-parallel implant positions and transfer inaccuracies. Based on a prototype of a novel attachment system for implant overdentures, a finite element model was created and used for studying different loading situations and design parameters followed by numerical analysis aided design optimization. The results revealed that the basic design of the attachment is capable of compensating misalignments of supporting implants as well as transfer inaccuracies of a clinically relevant magnitude by accommodating the large deformations induced under masticatory loading upon martensitic phase transformation at almost constant stress.
Trvalý link: https://hdl.handle.net/11104/0350595
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