2022
DOI: 10.1155/2022/2011864
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Optical Property Stability of Light-Cured versus Precured CAD-CAM Composites

Abstract: Objective. The aim of this study was to evaluate the optical property changes after staining of precured (PC) and light-cured (LC) composites. Materials and Methods. Specimens were prepared using different LC composites (GrandioSO—Voco, Filtek Z350-3M/ESPE, Opallis—FGM, and Kalore—GC) and four PC blocks (Grandio Blocs—Voco, Lava Ultimate—3M ESPE, Brava Block—FGM, and Cerasmart—GC) from the same manufacturers (n = 20). Baseline color, gloss, translucency, and fluorescence were evaluated. The staining protocol w… Show more

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Cited by 8 publications
(5 citation statements)
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References 40 publications
(54 reference statements)
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“…The results showed that they have a negative effect on the marginal sealing in both conventional and RMGIC materials. However, in vitro tests performed with composite materials have demonstrated that other variables can have a significant influence on long-term durability, such as depth of cure [70], curing type [71], and interface contamination [72]. Therefore, future studies on the influence of these factors on GICs are needed to expand our knowledge of these materials.…”
Section: Discussionmentioning
confidence: 99%
“…The results showed that they have a negative effect on the marginal sealing in both conventional and RMGIC materials. However, in vitro tests performed with composite materials have demonstrated that other variables can have a significant influence on long-term durability, such as depth of cure [70], curing type [71], and interface contamination [72]. Therefore, future studies on the influence of these factors on GICs are needed to expand our knowledge of these materials.…”
Section: Discussionmentioning
confidence: 99%
“…Staining of NCRs after immersion in coffee is also frequently found in the literature, with excellent, 27 acceptable, 27,29 moderately unacceptable, 9,11,20,22,24,25,29 clearly unacceptable, 25 and extremely unacceptable values. 28,32 The considerable variation in the results is probably related to the protocols and immersion times.…”
Section: Discussionmentioning
confidence: 99%
“…1,5,6 Studies have evaluated the color stability of NCRs after immersion in staining solutions such as coffee, 4,7-27 tea, 10,15,16,18,24,28,29 red wine, 6,10,11,15,17,18,20,28,30,31 cola, 7,8,[15][16][17]23,24,29 curry solution, 6,30 cress solution, 6,30 carrot juice, 13 ginger, 6,24 energy drink, 22,29 and staining broth recommended by ADA. 32 Coffee is one of the most used drinks for simulating staining in in vitro studies, 4, due to its high consumption worldwide. 25 ΔE ab and ΔE 00 color differences higher than 10.5 and 6.5, respectively, corresponding to a highly unacceptable mismatch (ΔE ab > 8.1 and ΔE 00 > 5.4), 33 were found upon staining of the NCRs in coffee.…”
mentioning
confidence: 99%
“…Incident light is reflected by the filler, resin matrix, pigments, and background color, then recognized as a certain color inside the composite. The most common cause of shade-matching failure between resin composites and teeth is lightness control errors because the human eye is more sensitive to light and dark than to color discrimination 24) . Luminance is inversely proportional to surface roughness in the case of resin composites that exhibit good polishability, low surface roughness, and good gloss, which may be the reason for the present experimental results.…”
Section: Discussionmentioning
confidence: 99%