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CORROSION BEHAVIOR OF BIOACTIVATED TITANIUM DENTAL IMPLANT USING DIFFERENT CHEMICAL METHODS

سال انتشار: 1397
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 262

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شناسه ملی سند علمی:

JR_JMATPR-6-1_002

تاریخ نمایه سازی: 12 مهر 1400

چکیده مقاله CORROSION BEHAVIOR OF BIOACTIVATED TITANIUM DENTAL IMPLANT USING DIFFERENT CHEMICAL METHODS

At the past, damaged tissue was removed from the body of patients. But now tissue regeneration using scaffolds and implants are used to repair the damaged tissue and organs. Besides of the mechanical properties of metallic biomaterials, they suffer from bioinertness. Using some surface treatment techniques, the bioactivity and also corrosion resistance of titanium implants could be improved. In this study the effect of H2O2 and alkali treatments on the corrosion behavior of titanium implant in the artificial saliva, surface morphology and phases formed on the surface, were investigated using electrochemical corrosion test, scanning electron microscopy (SEM) and thin film x-ray diffractometery (TF-XRD) respectively. Results indicated that on the surface of H2O2 and alkali treated titanium samples, fine particles of anatase and fine wire of rutile was formed respectively. The results indicated that the corrosion resistance of alkali treated titanium in the artificial saliva was higher than H2O2 treated titanium sample. The corrosion current density for untreated, H2O2 and alkali treated titanium samples were about 0.6×10-8, 5×10-8, 3×10-8 A/cm2respectively.

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نویسندگان مقاله CORROSION BEHAVIOR OF BIOACTIVATED TITANIUM DENTAL IMPLANT USING DIFFERENT CHEMICAL METHODS

Mohammad Khodaei

Islamic Azad University, Majlesi Branch

Ehsan Khoda Bande Dastjerdi

Department of Materials Engineering, Shahreza Branch, Islamic Azad University, Isfahan, Iran

Hamid Nazemi

Center for Advanced Engineering Research, Majlesi Branch, Islamic Azad University, Isfahan, Iran

Alireza Valanezhad

Department of Dental and Biomedical Materials Science, Nagasaki University, Nagasaki, Japan

Ikuya Watanabe

Department of Dental and Biomedical Materials Science, Nagasaki University, Nagasaki, Japan