AI Article Synopsis
- The study investigated the corrosive effects of a disinfection solution with hydroxyl radicals, generated by breaking down H(2)O(2) using light, on various dental metals.
- Various dental metals (Ti, stainless steel, alloy) were immersed in a hydrogen peroxide solution, both with and without LED light exposure, over a week to test for corrosion.
- Results showed that the corrosion from this treatment did not exceed that of hydrogen peroxide alone, indicating that using low concentrations (up to 3%) of H(2)O(2) for dental disinfection is safe for dental metals.
Article Abstract
The purpose of the present study was to evaluate the corrosive effect of disinfection solution containing hydroxyl radicals generated by photolysis of H(2)O(2)on dental metals. Static immersion test was performed on four different dental metals: Ti, Type 316L stainless steel, Ag-Pd-Cu-Au alloy, and Co-Cr alloy. Metal specimens were immersed in 1 M H(2)O(2)(=3.4%) with or without light-emitting diode (LED) light irradiation (wavelength: 400 nm) for 1 week, and then the amounts of released ions were analyzed. Corrosive effect of the disinfection solution containing hydroxyl radicals on any dental metals tested in the present study never exceeded that of H(2)O(2) alone. Therefore, disinfection systems based on the photolysis of H(2)O(2) for the cleaning of dentures and treatment of oral infectious diseases would not cause problematic metal corrosion whenever the concentration of H(2)O(2) does not exceed 3%, which is a concentration used as an oral disinfectant.
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| http://dx.doi.org/10.4012/dmj.2012-098 | DOI Listing |
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