Evaluation of color stability of injectable bulk‐fill flowable composite and conventional composite when exposed to various beverages: In vitro study

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1 Lecturer of Conservative Dentistry Department, Faculty of Oral and Dental Medicine, Ahram Canadian University, Cairo, Egypt

2 Lecturer of Dental materials Department, Faculty of Oral and Dental Medicine, Ahram Canadian University, Cairo, Egypt

Abstract

Purpose: This in vitro study aims to assess the stability of color of injectable bulk‐fill flowable composite and conventional composite materials, following immersion in various drinks, mimicking a half-year of clinical assistance. Materials and methods: Using a silicon Mold, thirty-three disk specimens were created from each material where group (1): n=33 fabricated from injectable bulk‐fill flowable composite and group (2): n=33 fabricated from conventional composite. Specimens of each group were assigned to three subgroups (n=11) according to the immersion solution (saliva, cofee, and Redbull energy drink), incubated at 37 °C incubator, and color assessment was done at baseline and after immersion. Color changes (ΔE) were assessed using a spectrophotometer (vita easy shade). Results: There was no statistically significant difference recorded between injectable bulk‐fill flowable composite and conventional composite groups after immersion in saliva and energy drinks. However, there was a statistically significant difference recorded between both groups after immersion in coffee. Conclusions: The tested resin composites that contain fluoride particles (BEAUTIFIL Flow plus F00 and BEAUTIFIL II LS) have a high probability of color change, so the composition of esthetic restorative materials plays an important role in their clinical performance. Patients who consume coffee and energy drinks must be aware of their negative effects on esthetic restorations containing fluoride particles. Injectable bulk‐fill flowable composite can substitute conventional composite in anterior restorations that save time and obtain satisfactory esthetic

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