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Journal of Kerman University of Medical Sciences، جلد ۲۵، شماره ۵، صفحات ۴۲۸-۴۴۰
عنوان فارسی تأثیر راه حل های مختلف بر رفتار نوری سرامیک سیلیکات لیتیم تقویت شده با زیرکونیا
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عنوان انگلیسی The Effect of Different Solutions on Optical Behavior of Polished and Glazed Zirconia-Reinforced Lithium Silicate Ceramics
چکیده انگلیسی مقاله Background: This study sought to assess the effect of glazing and polishing surface treatments on the optical behavior of zirconia-reinforced lithium silicate ceramics thermocycled in different solutions. Methods:Computer-aided design/computer-aided manufacturing ceramics (VITA Suprinity) were cut into samples (n=104) measuring 1.5x14x10 mm according to the manufacturer's instructions. Also, the samples were then randomly divided into four groups for immersion in artificial saliva, tea, orange juice and cola. A spectrophotometer was used to assess the color change and changes in L* coordinate against a white and a black background. The translucency parameter and contrast ratio were also calculated. The ∆E and L* values were analyzed using two-way ANOVA test. Student's t-test was applied to analyze TP and CR. Results: The interaction effect of the type of solution and type of surface treatment on color change against a white (P=0.008) and black (P< 0.001) background was statistically significant. Immersion of ceramic samples in orange juice and cola caused significant changes in TP and CR in the polishing and glazing groups (P < 0.05). Conclusion:Immersion in orange juice causes clinically perceivable color change in glazed ZLS ceramics. Immersion in cola decreases the translucency of both polished and glazed ZLS ceramics.
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نویسندگان مقاله Farnaz Firouz |
Assistant professor, Department of Prosthodontics, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran

Alireza Izadi |
Assistant professor, Department of Prosthodontics, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran

Somaye Ghorbani Gholiabad |
PhD Candidate, Department of Biostatistics, Faculty of Health, Hamadan University of Medical Sciences, Hamadan, Iran

Saeed nikanjam |
Resident of Prosthodontics, Department of Prosthodontics, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran

نشانی اینترنتی http://jkmu.kmu.ac.ir/article_83084_d6645d982862cb7e8d08db71de2b3256.pdf
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