Pseudoelasticity of NiTi Orthodontic Wires Modified by Current Methodologies : A Critical Comparison
نویسندگان
چکیده
منابع مشابه
Pseudoelasticity of NiTi Orthodontic Wires Modified by Current Methodologies : A Critical Comparison
It is well known that applications of NiTi alloys in orthodontics rely on the pseudoelastic properties developed at temperatures hgher than Af. That implies as a necessary condtion that the body temperature (Tb) be higher than Af; the level of reversion stress, or depends moreover upon the difference between Tb and Af. Nowadays the interest is directed to obtain an archwire with distinct or in ...
متن کاملThe Reversion Force of NiTi Orthodontic Wires in the Temperature
The interest in using the pseudoelastic properties of NiTi wires in orthodontic practice arises chiefly from the expectation that they can afford low continuous forces at constant temperature. The reversion force developed by NiTi archwires depends, however, upon temperature since the superelastic force follows a Clausius-Clapeyron like equation. Actually the oral environment temperature is mod...
متن کاملAtomistic characterization of pseudoelasticity and shape memory in NiTi nanopillars
Molecular dynamics simulations are performed to study the atomistic mechanisms governing the pseudoelasticity and shape memory in nickel–titanium (NiTi) nanostructures. For a h110i – oriented nanopillar subjected to compressive loading–unloading, we observe either a pseudoelastic or shape memory response, depending on the applied strain and temperature that control the reversibility of phase tr...
متن کاملCombined effects of different heat treatments and Cu element on transformation behavior of NiTi orthodontic wires.
The shape memory nickel-titanium alloy has been applied in many fields due to its unique thermal and mechanical performance. One of the successful applications of NiTi wires is in orthodontics because of its good characteristics such as low stiffness, high spring back, high stored energy, biocompatibility, superelasticity and shape memory effect. The mechanical properties of wires are paid spec...
متن کاملEffect of FluoTide Released from Orthodontic Wires Fluoride - containingDental Restoratives on NiTi
determined daily for 10 days. The morphology of wires was observed using a seanning electron microscope, After imrnersion for 10 days, the initial micrehardness of the wires deereased by O.3-5.6% depending on the test solution. Dyract AP (DA) and F2000 (F2) (compomers) released signifieantly more fluoride than the ether resin products (composite resins) regardless of the test solution, In pH 2,...
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ژورنال
عنوان ژورنال: Le Journal de Physique IV
سال: 1995
ISSN: 1155-4339
DOI: 10.1051/jp4:1995261