2019
DOI: 10.4034/pboci.2019.191.98
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Corrosion Resistance of Stainless Steel Brackets After Thermal Recycling by Direct Flaming

Abstract: Objective: To determine and compare the corrosion resistance (based on the release of nickel and chromium in artificial saliva) of various brands of stainless steel brackets after thermal recycling by direct flaming. Material and Methods: This research study employed 40 stainlesssteel maxillary premolar brackets from different brands (Ormco, GAC, Versadent, S-Ortho, and Protect), which were divided into 5 groups consisting of 8 brackets. The nickel and chromium content of the metal brackets were analyzed by in… Show more

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“…Although studies on metal ion release from orthodontic appliances into biological fluids ruled out the possibility of toxic concentrations, even nontoxic levels may cause biological changes in the oral mucosa, such as altered cellular functions, decreased DNA synthesis, and enzyme inhibition. Additionally, orthodontic adhesives must be biocompatible for clinical use in contact with gingival and oral tissues ( 25 , 26 ).…”
Section: Discussionmentioning
confidence: 99%
“…Although studies on metal ion release from orthodontic appliances into biological fluids ruled out the possibility of toxic concentrations, even nontoxic levels may cause biological changes in the oral mucosa, such as altered cellular functions, decreased DNA synthesis, and enzyme inhibition. Additionally, orthodontic adhesives must be biocompatible for clinical use in contact with gingival and oral tissues ( 25 , 26 ).…”
Section: Discussionmentioning
confidence: 99%