A new method to prevent the corrosion of dental metals, during disinfection using functional water: Sacrificial protection

Kashiwabara Toshiya, Goto Takaharu, Sato Yutaka, Tomotake Yoritoki, Nagao Kan, Ichikawa Tetsuo

doi:10.1016/j.jpor.2010.01.004

A new method to prevent the corrosion of dental metals, during disinfection using functional water: Sacrificial protection

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Kashiwabara Toshiya

Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima, Institute of Health Biosciences
Goto Takaharu

Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima, Institute of Health Biosciences
Sato Yutaka

Dental Health Division, Health Policy Bureau, Ministry of Health, Labour and Welfare
Tomotake Yoritoki

Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima, Institute of Health Biosciences
Nagao Kan

Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima, Institute of Health Biosciences
Ichikawa Tetsuo

Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima, Institute of Health Biosciences

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Purpose: This paper demonstrates a simple method using sacrificial protection for preventing the corrosion of dental metals.<br>Methods: Dental metals are directly connected or/and wound with a pure commercial aluminum/zinc wire/plate with high ionization tendency, before their immersion into oxidizing functional water.<br>Conclusion: Dental materials such as Co–Cr alloy wires, stainless steel, and Au–Ag–Pd alloys did not corrode when this method was used. Thus, this method is very simple and effective for preventing corrosion of dental metals during disinfection using functional water.