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Journal of Dental Research, Dental Clinics, Dental prospects، جلد ۱۱، شماره ۱، صفحات ۳۰-۳۵
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چکیده فارسی مقاله
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عنوان انگلیسی Comparison of Bracket Bond Strength to Etched and Unetched Enamel under Dry and Wet Conditions Using Fuji Ortho LC Glass-ionomer
چکیده انگلیسی مقاله Background. Acid etching prior to orthodontic bracket bonding may result in enamel wear or cracks following bracket removal. The manufacturer of Fuji Ortho LC glass-ionomer (GI) claims that it can bond brackets to wet unetched enamel. This study aimed to compare the bracket bond strength to etched and unetched enamel under dry and wet conditions. Methods. In this in vitro study, 60 intact premolar teeth were randomly assigned to 6 groups (etched and dried, etched and moistened with distilled water, etched and moistened with saliva, unetched and dried, unetched and moistened with water, unetched and moistened with saliva). In all the groups, Leon 4 brackets were bonded to the enamel using Fuji Ortho LC GI. The teeth were immersed in distilled water at 37°C for 24 hours and subjected to shear loads at a crosshead speed of 5 mm/min in a Zwick machine for bond strength testing. Data were analyzed with ANOVA, Tukey test and independent t-test. Results. The mean bond strength values in groups 1 (etched, dry), 2 (etched, moistened with water), 3 (etched, moistened with saliva), 4 (unetched, dry), 5 (unetched, moistened with water) and 6 (unetched, moistened with saliva) were 21.86, 16.46, 10.49, 8.12, 9.15 and 9.52 MPa, respectively. Significant differences in bond strength were detected between groups 1 and 2 and all the other groups (P 0.05). Conclusion. Fuji Ortho LC GI provided adequate bond strength between brackets and enamel. To acquire higher bond strength, brackets must be bonded to etched and dried enamel.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله مسعود فیض بخش | masoud feizbakhsh
assistant professor, department of orthodontics, school of dentistry, isfahan branch, islamic azad university, khorasgan, iran

سازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (Islamic azad university science and research branch)

فرزین اصلانی | farzin aslani
orthodontics surgery fellowship, department of orthodontics, school of dentistry, shahid beheshti university of medical sciences, tehran,

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (Shahid beheshti university of medical sciences)

نغمه قاری زاده | naghme gharizadeh
assistant professor, department of orthodontics, school of dentistry, ahvaz university of medical science, ahvaz, iran


مجتبی حیدری زاده | mojtaba heidarizadeh
dds, dental school, ahvaz university of medical sciences, ahvaz, iran
نشانی اینترنتی http://dentistry.tbzmed.ac.ir/joddd/index.php/joddd/article/view/2968
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/183/article-183-326994.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده
نوع مقاله منتشر شده Clinical Dentistry
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