Corrosive effect of disinfection solution containing hydroxyl radicals generated by photolysis of H2O2 on dental metals

被引：8
|
作者：
Nakamura, Keisuke [1 ]
Yamada, Yasutomo [2 ]
Takada, Yukyo [3 ]
Mokudai, Takayuki [1 ]
Ikai, Hiroyo [2 ]
Inagaki, Ryoichi [2 ]
Kanno, Taro [2 ]
Sasaki, Keiichi [2 ]
Kohno, Masahiro [4 ]
Niwano, Yoshimi [1 ]
机构：
[1] Tohoku Univ, Grad Sch Dent, Lab Redox Regulat, Aoba Ku, Sendai, Miyagi 9808575, Japan
[2] Tohoku Univ, Grad Sch Dent, Div Fixed Prosthodont, Aoba Ku, Sendai, Miyagi 9808575, Japan
[3] Tohoku Univ, Grad Sch Dent, Div Dent Biomat, Aoba Ku, Sendai, Miyagi 9808575, Japan
[4] Tokyo Inst Technol, Grad Sch Biosci & Biotechnol, Dept Bioengn, Midori Ku, Yokohama, Kanagawa 2268502, Japan
来源：
DENTAL MATERIALS JOURNAL | 2012年 / 31卷 / 06期
关键词：
Corrosion; Hydroxyl radical; Hydrogen peroxide; Dental alloys; HYDROGEN-PEROXIDE; STAINLESS-STEEL; CASTING ALLOYS; PERI-IMPLANTITIS; TITANIUM; BEHAVIOR; SYSTEM; BIOCOMPATIBILITY; ATTACHMENTS; OXIDATION;
D O I：
10.4012/dmj.2012-098
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The purpose of the present study was to evaluate the corrosive effect of disinfection solution containing hydroxyl radicals generated by photolysis of 11202 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 MH2O2 (=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 H2O2 alone. Therefore, disinfection systems based on the photolysis of H2O2 for the cleaning of dentures and treatment of oral infectious diseases would not cause problematic metal corrosion whenever the concentration of H2O2 does not exceed 3%, which is a concentration used as an oral disinfectant.
引用
收藏
页码：941 / 946
页数：6
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