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Surface changes of orthodontic brackets following treatment with fixed orthodontic appliances

Authors: Harith M. Abdulrasool حارث عبد الرسول --- Ahmed D. Hassan احمد حسن
Journal: Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد ISSN: 16800087 Year: 2005 Volume: 17 Issue: 1 Pages: 96-100
Publisher: Baghdad University جامعة بغداد


Background: Fixed orthodontic appliances were used for long period in the treatment of malocclusion patients. It is subjected to the oral environment and affected by the changes that take place in this media. Many studies were done and express the tendency of these appliances to corrode inside the mouth.Materials and method: 150 orthodontic brackets related to three different companies (Orthodent, Ortho-organizers, and Dentaurum). These brackets examined after removing them from the patients' mouth and examined microscopically.Results: Most of the brackets exhibit corrosion which is mainly pitting, crevice and erosion corrosion

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