Influence of Soft Drinks with Low pH on Different Ni-Ti Orthodontic Archwire Surface Patterns
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hdl:2117/20893
Tipus de documentArticle
Data publicació2013-03
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Abstract
The aim of this study was to determine the influence of soft drinks on the surface of Ni-Ti archwires and
their corrosion behavior. Archwires with different patterns (smooth, scratch, dimple, and crack) were
selected and characterized by scanning electron microscopy and laser confocal microscopy. Immersion tests
were performed in artificial saliva (pH 6.7) with a soft drink with a pH of 2.5 for 28 days. The results
showed an increase in the surface defects and/or roughness of the dimple, crack and scratch patterns with
the immersion times, and a decrease in corrosion resistance. A relationship between the surface pattern and
the extent of the corrosion in Ni-Ti archwires with soft drinks at low pH has been demonstrated. Pattern
should be taken into account in future studies, and manufacturing processes that produce surface defects
(especially cracks) should be avoided
CitacióÁbalos, C. [et al.]. Influence of Soft Drinks with Low pH on Different Ni-Ti Orthodontic Archwire Surface Patterns. "Journal of materials engineering and performance", Març 2013, vol. 22, núm. 3, p. 759-766.
ISSN1059-9495
Versió de l'editorhttp://link.springer.com/article/10.1007%2Fs11665-012-0311-3
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