2013
DOI: 10.1590/0103-6440201302151
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Abstract: This study evaluated color stability, surface roughness and flexural strength of acrylic resin specimens after immersion in alkaline peroxide and alkaline hypochlorite, simulating a period of one and a half year of use of overnight immersion. Sixty disc-shaped (16x4 mm) and 80 rectangular specimens (65x10x3.3 mm) were prepared from heat-polymerized acrylic resin (Lucitone 550) and distributed into 4 groups (n=20): C1: without immersion, C2: 8 h immersion in distilled water; AP: 8 h immersion in alkaline peroxi… Show more

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Cited by 104 publications
(169 citation statements)
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“…Studies have found that for acrylic resins, Corega Tabs have a greater whitening effect than Polident, 17 Bony Plus 18 and a 0.5% hypochlorite solution. 7 Corega contains agents that release oxygen with enzymes, supporting the hypothesis that oxidation in combination with a strong alkaline solution can be deleterious. 7,17 In relation to the metallic components, weight loss and ion release, 19 as well as tarnishing and spot corrosion, 25 were observed in Co-Cr alloys after immersion in a citric acid product (Medical Interporous).…”
Section: Discussionmentioning
confidence: 79%
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“…Studies have found that for acrylic resins, Corega Tabs have a greater whitening effect than Polident, 17 Bony Plus 18 and a 0.5% hypochlorite solution. 7 Corega contains agents that release oxygen with enzymes, supporting the hypothesis that oxidation in combination with a strong alkaline solution can be deleterious. 7,17 In relation to the metallic components, weight loss and ion release, 19 as well as tarnishing and spot corrosion, 25 were observed in Co-Cr alloys after immersion in a citric acid product (Medical Interporous).…”
Section: Discussionmentioning
confidence: 79%
“…7 Corega contains agents that release oxygen with enzymes, supporting the hypothesis that oxidation in combination with a strong alkaline solution can be deleterious. 7,17 In relation to the metallic components, weight loss and ion release, 19 as well as tarnishing and spot corrosion, 25 were observed in Co-Cr alloys after immersion in a citric acid product (Medical Interporous). With regard to titanium, Davi et al 26 did not find alterations in surface roughness, but the color was not evaluated.…”
Section: Discussionmentioning
confidence: 79%
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