Evaluation of the differentiation of structural and physicochemical properties of orthodontic wires of AISI 304 stainless steel
Journal Title: Engineering of Biomaterials / Inżynieria Biomateriałów - Year 2018, Vol 21, Issue 146
Abstract
Wires used for orthodontic arches play a very important role in the process of orthodontic treatment. In combination with the lock attached to the tooth, they move and align the teeth along the set trajectories. Wires of stainless steel are commonly used in orthodontics for several reasons: they are characterised by high resistance to corrosion, high strength and elasticity, formability and a possibility of obtaining defined properties through cold working and annealing during production process. The purpose of the research presented in the work is the analysis of differences of the selected structural properties in the context of corrosion resistance of the orthodontic wire material. The object of the research was edge arches of the 0.016”x0.022” size made of the stainless steel type AISI 304, provided by two different producers: G&H Orthodontics and Adenta. The research methodology involved analysis of chemical and phase composition of the tested alloy, microscopic tests with application of the light and electron microscopy methods, as well as electrochemical direct current measurements. The research presented in the work has shown significant differences in structural and physical-chemical properties of the orthodontic wires made of AISI 304 type stainless steel. Despite the fact, that the tested arches were manufactured of the theoretically the same materials, but by different producers, they significantly differ in chemical composition, metallurgical purity, phase composition and corrosion resistance. In addition, it is worth noticing that the tested materials, in terms of structure, do not meet the normative requirements obligatory for biomaterials.
Authors and Affiliations
D. Grygier, V. Hoppe, A. Zięty, M. Rutkowska-Gorczyca
Keywords
Related Articles
- EP ID EP553969
- DOI -
- Views 46
- Downloads 0
Candidacidal activity of saliva preparation containing gold nanoparticles
Natural saliva is one of the most important biological fluids and it fulfils many important functions in oral cavity. However, in some cases, disorders of salivary gland functions may cause hyposalivation (reduction of s...
Fatigue strength tests of multifunctional resorbable composite plates in simulated biological conditions
The article is part of a series of publications presenting the results of mechanical tests of multi-functional resorbable fixation plates. Tests were con-ducted on prototype plates in conditions simulating natural biolog...
Oszacowanie stabilizacji złamania trzonu kości udowej przez płytkę przykostną przy wykorzystaniu metody elementów skończonych
Złamania kości długich mogą być leczone na kilka sposobów. Jednym z nich jest zastosowanie płytki przykostnej. Płytka zamocowywana do kości umożliwia przeprowadzenie leczenia, ale z drugiej strony jest źródłem powstawani...
Detonation nanodiamond particles modified by non-steroidal anti-inflammatory drugs in vitro examination
Most recently it has been found that nanodiamond particles have very interesting properties. There are number of research communications that detonation nanodiamond particles (NDPs) are fairly reactive and their surface...
Biodegradable cement type bone implant materials based on calcium phosphates and calcium sulphate
Calcium phosphates (CaPs) are widely used in hard tissue replacement because of their excellent biocompatibility. Calcium phosphate cements (CPCs) are an interesting alternative for sintered calcium phosphate ceramics du...