Surface changes of various bulk‐fill resin‐based composites after exposure to different food‐simulating liquid and beverages

Tanthanuch, Saijai; Kukiattrakoon, Boonlert; Eiam-O-Pas, Kasidit; Pokawattana, Kan; Pamanee, Nicha; Thongkamkaew, Wichachon; Kochatung, Asok

doi:10.1111/jerd.12349

Cited by 38 publications

(60 citation statements)

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“…Another cause of that finding is the acidic pH associated with the buffer capacity of the drinks that undoubtedly influence the degradation of the dental materials since pKa is related to the pH and buffering condition. It is widely known that the potential of beverages to degrade the surfaces depends not only on the pH, but also on its buffer capacity (23). The pH and buffering of the Coca Cola are low (23) in contrast to the citric acid found in the coffee and juice, that, as mentioned before, show better buffer capacity, and, in association with low pH, may affect the resistance of the Filtek Z350 to acidic solutions.…”

Section: Discussionmentioning

confidence: 94%

“…The composite has ytterbium trifluoride in the composition that may keep the brightness of the surface with the release of soluble fluoride to the water (22). In addition, during the degradation process the molecule of water may diffuse into the polymeric network filling the microspaces between the chains, promoting the breakdown of siloxane link and the softening of the organic matrix (23). If hydrolytic degradation occurs, the reflection of light is jeopardized (24).…”

Section: Discussionmentioning

confidence: 99%

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Color Stability and Gloss of Esthetic Restorative Materials after Chemical Challenges

et al. 2019

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This study evaluated gloss and color changes of esthetic restorative materials subjected to different acidic beverages. Specimens of resin composites (Z350XT (Z350), IPS Empress Direct (ED), Charisma Diamond (CD)) were prepared and the initial surface gloss and color (ΔE) were measured (n=10). Then, the specimens were immersed in 4 mL of each of the different beverages (cranberry juice; Coca-Cola; coffee or artificial saliva) during 15 min, 3x/day for 14 days and new gloss and color readings were obtained. Color change was evaluated with the ΔE formula and gloss change values were obtained by the formula: (final gloss - initial gloss). Data was submitted to two-way ANOVA followed by Tukey’s post hoc test (a=0.05). CD showed the lowest color change among resin composites. The highest ΔE values were obtained after immersion in coffee and cranberry juice. Coffee promoted the highest gloss change (worst gloss retention), followed by cranberry juice, Coca-cola and artificial saliva (p<0.05). The type of beverage significantly influenced the gloss of resin composites. Coca-cola reduced gloss of the three resin composites in a similar manner. Coffee affected the ED gloss more than that of Z350 and CD, while cranberry juice affected Z350 more than ED and CD. Saliva had a more pronounced effect on the gloss retention of CD than ED. The beverages used in this study influenced the optical surface properties of the composites studied.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Color Stability and Gloss of Esthetic Restorative Materials after Chemical Challenges

et al. 2019

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“…Previous studies [16,20] Tanthanuch et al [21] reported an increase in surface roughness and a decrease in microhardness values, for the bulk fill composites stored in food simulating solutions and beverages for 28 days.…”

Section: Discussionmentioning

confidence: 94%

“…In their study on comparing the microhardness of various bulk fill composites (SDR, SonicFill, Tetric N-Ceram Bulk Fill, Filtek Bulk Fill) exposed to food simulating solutions and beverages, Tanthanuch et al [21] reported that the most significant decrease in microhardness values was observed with passionfruit juice having a high concentration of citric acid, whereas the bulk fill composite affected at most was found to be SDR.…”

Section: Discussionmentioning

confidence: 99%

The effects of food simulating liquids on surface roughness, hardness, and solubility of bulk fill composites

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Gönülol

2019

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Background: The aim of this study was to compare the effects of food simulating liquids (FSLs) on the surface roughness, surface hardness and solubility of bulk fill composites. Methods: Two-hundred samples were prepared from four high viscosity bulk fill composites (SonicFill TM , Tetric® EvoCeram Bulk Fill, Beautifil-Bulk Restorative, Filtek TM Bulk Fill Posterior Restorative) and a microhybrid composite (Filtek TM Z250). After the initial weights of the samples were recorded (m 1 ), surface roughness measurements were evaluated with a profilometer. The samples were stored in 4 different FSLs for 7 days, then the second surface roughness values were recorded. Then the samples were stored in a desiccator to reach the constant mass and the values were recorded as m 2 . The solubility levels were calculated according to the ISO 4049: 2009 specification. The surface hardness values of the samples were determined by using the Vickers microhardness measuring device. Twenty specimens from each group were evaluated in terms of surface morphology with scanning electron microscope (SEM). Results: Beautifil Bulk Restorative was the most affected group in terms of surface roughness after storage in FSLs and citric acid caused the highest values in this group (p<0,005). Beautifil Bulk Restorative and Filtek Z250 groups showed the highest surface hardness values, while the Tetric EvoCeram group had the lowest. The highest solubility values were detected in Beautifil Bulk Restorative group, and citric acid and ethanol caused the highest solubility values on all the tested composites. Conclusions: Beautifil Bulk Restorative group showed the highest surface roughness and solubility values among the tested groups, while the same group showed the highest surface hardness. Key Words: Bulk fill composites, food simulating liquids, solubility, surface hardness, surface roughness.

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“…3 Bulk-fill composites are newer restorative materials which are said to present improved cure, controlled polymerization contraction stresses and a reduced cuspal deflection; they are effectively photoactivated in layers up to 4 mm, and as such can be used in deep preparations. 4,5 A higher translucency observed in bulk-fill composites as compared to conventional resin composites enables superior light transmission, and thus better polymerization. A higher percentage degree of conversion (DC) displayed by bulk-fill composites is due to better light penetration, as the materials exhibit a reduced opacity.…”

Section: Introductionmentioning

confidence: 99%

Comparative evaluation of the depth of cure and surface roughness of bulk-fill composites: An in vitro study

et al. 2020

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Background. Composites are in great demand due to the esthetic needs of the patients, which explains a wide variation in the types of available composites. However, the mechanical strength of the materials is questionable. Therefore, the mechanical properties of the newly available bulk-fill composites have been tested. Objectives. The main objective of the study was to compare the depth of cure (DOC) and surface roughness of 3 different bulk-fill composites: X-tra fil ® (XTF), Tetric EvoCeram ® Bulk Fill (TEC) and Beautifil ® Bulk Restorative (BBR). Material and methods. Fifty-seven (n = 19 in each group) samples were made using brass molds. All samples were subjected to Vickers hardness testing and profilometry. The one-way analysis of variance (ANOVA) test was used for the data analysis, followed by Tukey's post hoc test. Results. The differences in the mean surface microhardness values of the materials were statistically significant (p < 0.001), with XTF showing the highest value. The TEC composite showed a higher surface roughness as compared to BBR and XTF. Conclusions. The results of the present study indicate that variations in the filler size and amount significantly influence the DOC and surface roughness of dental composites. Among the tested composites, the multi-hybrid composite exhibited superior DOC (XTF), whereas the nanohybrid composite exhibited superior surface finish (TEC).

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Surface changes of various bulk‐fill resin‐based composites after exposure to different food‐simulating liquid and beverages

Abstract: For restoration of the affected teeth in patients who consume acidic food and beverages, roughness and erosion of resin composites should be considered. All of bulk-fill resin-based composites except SDR may be suitable for restorations in these patients.

Cited by 38 publications

References 32 publications

Color Stability and Gloss of Esthetic Restorative Materials after Chemical Challenges

Color Stability and Gloss of Esthetic Restorative Materials after Chemical Challenges

The effects of food simulating liquids on surface roughness, hardness, and solubility of bulk fill composites

Comparative evaluation of the depth of cure and surface roughness of bulk-fill composites: An in vitro study

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