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Journal of Dental Research, Dental Clinics, Dental prospects، جلد ۱۰، شماره ۳، صفحات ۱۹۴-۱۹۹
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عنوان انگلیسی Wear Resistance of New Flowable Composites used as Fissure sealant Materials
چکیده انگلیسی مقاله Background and aim(s): Retention rate of pit and fissure sealant materials depends on their intactness and integrity related to the enamel surface adherence. Wear characteristic of sealant materials may determine scheduling of check- up visits. Purpose of this study was comparing wear resistance of two flowable composites with posterior composite materials. Materials and methods: Thirty- five disk shaped specimens were prepared in 5 groups including; two flowable composites (Estelite Flow Quick and Estelite Flow Quick High Flow), Filtek P90 and Filtek P60 and Tetric N-Ceram. They were prepared in 25 diameter disk shaped by packing in a two piece aluminum mold and they were light cured. All the specimens were polished during 1minute by 600 grit sand paper. They stored in distilled water at room temperature for 1 week, then they wore by Two Body abrasion test using "Pin on Disk" method (with distilled water medium under 15 N load, 0.05 m/s speed, 100 m distance and Steatite ceramic balls antagonists). Profilometer used for evaluating the surface wear. Data analyzed with the one-way ANOVA test. Results: Estelite Flow Quick had 2708.9 ±578.1 μm 2 and Estelite Flow Quick High Flow had 3206 ±2445.1 μm 2 wear amounts but there were no statistical differences between all groups. They demonstrated similar wear properties. Conclusion(s): Estelite flowable composites have wear resistance similar to nano and microfilled and microhybrid composites which recommended using as pit and fissure sealant material in posterior region with appropriate mechanical characteristic.
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نویسندگان مقاله سهراب آصفی | sohrab asefi
orthodontist, dentistry school, shahid beheshti university of medical sciences

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

سولماز اسکندریون | solmaz eskandarion
assistant professor of dental material, dentistry school, shahid beheshti university of medical sciences

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

شادی حمیدی اول | shadi hamidi aval
assistant professor, department of oral and maxillofacial radiology, khorramabad dental faculty, lorestan university of medical sciences

سازمان اصلی تایید شده: دانشگاه علوم پزشکی لرستان (Lorestan university of medical sciences)

نشانی اینترنتی http://dentistry.tbzmed.ac.ir/joddd/index.php/joddd/article/view/2520
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/183/article-183-319630.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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