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Journal of Dentomaxillofacil Radiology, Pathology and Surgery، جلد ۲، شماره ۴، صفحات ۱-۶
عنوان فارسی
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عنوان انگلیسی The Surface Hardness Value of a light cured Hybrid Composite Resin after 12 Hours Immersion in three alcohol-free mouthwashes
چکیده انگلیسی مقاله Introduction: Mouthwashes which prevent and control caries and periodontal diseases are commonly used even without professional pre‌scription. Long-term use of mouth-washes may cause softening of restorative composites and lowering the longevity of restoration. The aim of this study was evaluation of surface hardness value of a microhybride composite (Filtek Z250) after 12 hours immersion in three kinds of alco‌hol-free mouthwashes. Materials and Methods: 72 Cylinderical speci-mens of a microhybride composite 5mm wide were prepared, using drinking straw as a mold. Specimens were light-cured continuously for 40 seconds on each side with Elipar(3M,ESPE) cur‌ing light. The specimens were immersed in 50ml of distilled water for12 hours. After that, all of them were finished with silicone carbide papers under constant water as coolant. The speci‌mens were divided into 4 groups, each with 18 samples, the first group immersed in Colgate plax , the second in Crest ( pro-health for me) , group3 in OraCare and group4 in water as the control group for 12 hours, which is equivalent to 1 year of daily mouthwash use at 2 minutes per day. Hardness measurement was taken by Vickers hardness tester with 1 kilogram load and 10 seconds loading time. Result: Statistical analysis according to t-test and One-Way ANOVA test showed that there was no significant difference in surface hard‌ness value of composite after 12 hours immer‌sion between groups of mouthwashes and water( P value=0.353) Conclusion: Based on the present study, alco-hol-free mouthwashes didn’t affect the surface hardness of Filtek(Z250) composite.
کلیدواژه‌های انگلیسی مقاله Mouthwashes ,Composite Resins , Hardness Test
نویسندگان مقاله رضا دولو | reza davalloo
department of operative denti stry, guilan university of medical sciences, dental school, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

مریم توانگر | maryam tavangar
department of operative denti stry, guilan university of medical sciences, dental school, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

فریده دارابی | farideh darabi
department of operative denti stry, guilan university of medical sciences, dental school, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

زهرا پورحبیبی | zahra pourhabibi
guilan university of medical science, dental school, rasht, iran.

سازمان اصلی تایید شده: دانشگاه گیلان (Guilan university)

نیلوفر علایی الموتی | niloufar alaei alamouti
guilan university of medi cal sciences, dental school, rasht, iran

سازمان اصلی تایید شده: دانشگاه گیلان (Guilan university)

نشانی اینترنتی http://3dj.gums.ac.ir/browse.php?a_code=A-10-1-35&slc_lang=en&sid=en
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