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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۱۴، شماره ۳، صفحات ۱۳۰-۰
عنوان فارسی
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عنوان انگلیسی Comparison of the Effect of two Denture Cleansers on Tensile bond Strength of a Denture Liner
چکیده انگلیسی مقاله Statement of Problem: One of the most clinical challenging issues in prosthodontics is debonding of soft liners from the denture base. Purpose: The aim of this study was to evaluate and compare tensile bond strength between soft liner and heat-cured acrylic resin when immersed in two different types of denture cleanser and distilled water, at different period of times. Materials and Method: In this experimental in vivo study, 238 heat-cured acrylic blocks were made. A soft liner was embedded between the acrylic blocks. Samples were divided into four groups: 17 samples were in the control group and were not soaked in any solution .The remaining samples were divided into 3 groups (Distilled water, Calgon and Fittydent). Each group was then subdivided into two subcategories, regarding the immersion time variable; 15 and 45 minutes. All samples were placed in tension force and tensile bond strength was recorded with the testing machine. One- way ANOVA and Tucky HSD post-hoc test were adopted to analyze the yielded data (α> 0.05). Results: Specimens which were immersed in two denture cleansers (Fittydent and Calgon) and in distilled water showed significant difference ( p = 0.001) in bonding strength when compared to the control group. The subjects immersed in denture cleanser solutions and distilled water did not reveal any significant difference ( p = 0.90). For all groups; most of the bonding failures (72%) were cohesive type. Conclusion: The effect of the denture cleansers and distilled water on the bond strength was not statistically different; however, the difference was significant between the immersed groups with the non-immersed group. Moreover, type of the denture cleanser did not show any effect on the tensile strength. The tensile strength increases with time of immersion.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله محمود فرزین | m farzin
dept. of prosthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (Shiraz university of medical sciences)

f بحرانی | f bahrani
dept. of prosthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (Shiraz university of medical sciences)

e عادل پور | e adelpour
dentist
نشانی اینترنتی http://dentjods.sums.ac.ir/index.php/JDSUMS/article/view/8
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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