Effects of Carbamide Peroxide Bleaching Agent on Color and Translucency Changes of Three Composite Resin Types with or without Bonding Agent

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DAVARI ABABDOLRAHIM; DANESHKAZEMI ALIREZA; SHESHMANI MAHSAN; motallebi Elham; Karami Haleh

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Journal: Journal of Mashhad Dental School Year:2019 | Volume:43 | Issue:1 Page(s): 10-21

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Title

Effects of Carbamide Peroxide Bleaching Agent on Color and Translucency Changes of Three Composite Resin Types with or without Bonding Agent

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Keywords

BleachingQ2

Microhybrid compositeQ2

Nanohybrid compositeQ1

Silorane-based compositeQ1

ReboundingQ2

ColorQ2

TranslucencyQ1

Abstract

Introduction: The Color:#ff0078">Bleaching agents can lead to Color and Translucency changes in composite resins. Due to the increasing use of nanocomposites and Color:#ff0078">Silorane-based composites, this study aimed to examine the Color and Translucency changes of restorations after applying the Color:#ff0078">Bleaching agents. Materials and Methods: In this experimental-laboratory study, 132 composite discs were divided into three groups based on the composite type, including the Color:#ff0078">Microhybrid composite Z250, Color:#ff0078">Nanohybrid composite Z350, and Color:#ff0078">Silorane-based composite P90. After acid etching on half of the samples in each group, they were covered with resin bonding agent. Then the Color and Translucency evaluation was performed by reflectance spectrophotometer using CIELAB system (USA, II-Xrite). Each composite subgroup was divided into two new subgroups, namely 20% carbamide peroxide Color:#ff0078">Bleaching agent and control groups. Final Color and Translucency changes were calculated and assessed after applying Color:#ff0078">Bleaching agent. The statistical analysis was carried out using the one-way analysis of variance, Tukey's Honest Significant Difference test, and t-test. Results: The effects of composite and Color:#ff0078">Bleaching agent types, as well as bonding agent, on the samples’ surface were statistically significant (P<0. 001). The Color changes in the Color:#ff0078">Microhybrid composite were higher than those of nanohybrid and Color:#ff0078">Silorane-based composites (P<0. 001). Moreover, the Color changes in 20% carbamide peroxide Color:#ff0078">Bleaching group were higher than that of the control group (Δ E>3. 3; P<0. 001). The results of Translucency changes were consistent with the findings of Color change measurements. Conclusion: According to the results of the present study, most of the Color changes in the Color:#ff0078">Microhybrid composite appeared after applying 20% carbamide peroxide Color:#ff0078">Bleaching agent. The rebound samples were less affected by the Color:#ff0078">Bleaching agents. The least Color and Translucency changes were associated with Color:#ff0078">Nanohybrid composites.

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APA: Copy

DAVARI, ABABDOLRAHIM, DANESHKAZEMI, ALIREZA, SHESHMANI, MAHSAN, motallebi, Elham, & Karami, Haleh. (2019). Effects of Carbamide Peroxide Bleaching Agent on Color and Translucency Changes of Three Composite Resin Types with or without Bonding Agent. JOURNAL OF MASHHAD DENTAL SCHOOL, 43(1 ), 10-21. SID. https://sid.ir/paper/73998/en

Vancouver: Copy

DAVARI ABABDOLRAHIM, DANESHKAZEMI ALIREZA, SHESHMANI MAHSAN, motallebi Elham, Karami Haleh. Effects of Carbamide Peroxide Bleaching Agent on Color and Translucency Changes of Three Composite Resin Types with or without Bonding Agent. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2019;43(1 ):10-21. Available from: https://sid.ir/paper/73998/en

IEEE: Copy

ABABDOLRAHIM DAVARI, ALIREZA DANESHKAZEMI, MAHSAN SHESHMANI, Elham motallebi, and Haleh Karami, “Effects of Carbamide Peroxide Bleaching Agent on Color and Translucency Changes of Three Composite Resin Types with or without Bonding Agent,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 43, no. 1 , pp. 10–21, 2019, [Online]. Available: https://sid.ir/paper/73998/en

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