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Journal of Dental Research, Dental Clinics, Dental prospects، جلد ۸، شماره ۱، صفحات ۲۷-۳۴
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی A comparison of shear bond strengths of metal and ceramic brackets using conventional acid etching technique and Er:YAG laser etching
چکیده انگلیسی مقاله Background and aims. The aim of this study was to compare shear bond strength (SBS) of metal and ceramic brackets bonded to enamel using acid versus Er:YAG laser etching. Materials and methods. Eighty premolars were divided into 4 groups: AM (acid etching/ metal brackets), AC (acid etching/ ceramic brackets), LM (laser etching/ metal brackets) and LC (laser etching/ ceramic brackets). Enamel conditioning was done using acid in AC and AM and Er:YAG laser in LC and LM. Brackets were debonded with a Dartec machine and the SBSs were determined. Adhesive remnant index was evaluated under a stereomicroscope. Two additional teeth were conditioned with acid and laser for scanning electron microscopy examination. Comparisons of SBS value were done by ANOVA test. Results. statistical analyses showed that SBSs of acid groups were significantly higher than that of laser groups, but differences between SBS values of AC/ AM and LC/LM were not significant. SEM examination revealed different etching pattern. Conclusion. Low power Er:YAG laser etching offers clinically acceptable SBS which besides its other superiorities to acid etching can be an appropriate alternative for bonding of ceramic brackets.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله صغری یاسایی | sogra yassaei


رضا فکرآزاد | reza fekrazad


ندا شهرکی | neda shahraki


mahdjoube گلدانی مقدم | mahdjoube goldani moghadam


نشانی اینترنتی http://dentistry.tbzmed.ac.ir/joddd/index.php/joddd/article/view/545
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/183/article-183-319740.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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