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Journal of Dental Materials and Techniques، جلد ۱۴، شماره ۳، صفحات ۱۵۹-۱۶۴
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عنوان انگلیسی Impact of different beverages on color and structural characteristics of aesthetic composite resins
چکیده انگلیسی مقاله Objective: This study evaluated the color stability and surface roughness of two composite resins, Gradia Direct and Omnichroma, after immersion in various solutions.Methods: In this in-vitro study, 80 composite resin samples were divided into two groups (n = 40) according to the composite resin brands: Group 1: Gradia Direct and Group 2: Omnichroma. Each group was further divided into four subgroups (n = 10) based on the immersion solution: A) distilled water (control), B) tea, C) cola, and D) coffee. Color stability was measured on day 1 (ΔE1) and 28 (ΔE28) compared to baseline, while surface roughness was measured at baseline and on day 28. Data were analyzed using two-way and three-way ANOVA and Tukey HSD test (P < 0.05).Results: Two-way ANOVA indicated no significant difference in ΔE1 or ΔE28 between the two composite resins (P>0.05). However, beverage type had a statistically significant effect on both ΔE1 and ΔE28 (P<0.05). Pairwise comparisons revealed that coffee produced the greatest color changes on day 1 and day 28 (P<0.05). Cola and distilled water demonstrated comparable color changes (P>0.05), which were significantly lower than those of other groups at both intervals (P< 0.05). Three-way ANOVA found no significant effects of beverage type, composite type, time of assessment, or their interactions on surface roughness (P>0.05).Conclusions: Gradia Direct and Omnichroma showed comparable color stability and surface roughness after exposure to various beverages. Coffee and tea caused significantly greater discoloration effects than cola and distilled water on composite resins.
کلیدواژه‌های انگلیسی مقاله Acidic drink, beverages, Coffee, Composite resins, Surface Properties, Tooth discoloration
نویسندگان مقاله | Marzieh Rohaninasab
Operative Dentistry Department, Dental School, Tehran University of Medical Sciences, Tehran, Iran


| Zainab Qeas Abul-Hadi Al-Haideri
Operative Dentistry Department, Dental School, Tehran University of Medical Sciences, Tehran, Iran


| Behnaz Behniafar
Operative Dentistry Department, Dental School, Tehran University of Medical Sciences, Tehran, Iran
نشانی اینترنتی https://jdmt.mums.ac.ir/article_26663.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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