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Comparative evaluation of different bleaching agents on the color stability, hardness and surface roughness of indirect esthetic restorative materials with different manufacturing methods. [PDF]
BMC Oral HealthAtay A +3 more
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Demineralization effects of 10 percent carbamide peroxide
Journal of Dentistry, 1996The purpose of this in vitro study was to measure the amount of calcium lost from enamel exposed to a 10% carbamide peroxide solution.Nine teeth (3 incisors, 2 premolars, 4 molars) were sectioned to serve as paired test and control specimens. Each tooth half was coated with wax, leaving a uniform 3 mm x 4 mm window of exposed enamel.
M S, McCracken, V B, Haywood
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Radicular peroxide penetration from carbamide peroxide gels during intracoronal bleaching
International Endodontic Journal, 2008AbstractAim To evaluate and compare radicular peroxide diffusion from different concentrations of carbamide peroxide bleaching gels.Methodology Fifty maxillary premolar teeth were separated into five groups (n = 10). Standardized endodontic access cavities were prepared in the occlusal surfaces, and the root canals were prepared using a step back ...
O, Gökay +3 more
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Microcomputerised tomography evaluation of 10% carbamide peroxide applied to enamel
Journal of Dentistry, 2005There is still some controversy in the dental literature whether carbamide peroxide bleaching causes demineralization of teeth. One of the reasons for this controversy is that there is as yet no reliable, non-destructive in vitro method for assessing mineral loss in bleached teeth.
Wood, D, Efeoglu, N, Efeoglu, CANDAN
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High‐concentrated carbamide peroxide bleaching agents effects on enamel surface
Journal of Oral Rehabilitation, 2004summary Concern has been expressed regarding the adverse effects of peroxide‐containing tooth bleaching agents on enamel surface. This study examined enamel average surface roughness before (baseline) and after an in‐office bleaching protocol and investigated the influence of high concentrations of carbamide peroxide gels on its surface staining and ...
V, Cavalli +3 more
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Evaluating Tooth Color Change from Carbamide Peroxide Gel
The Journal of the American Dental Association, 1993A double-blind experiment assessed the efficacy, longevity and safety of a tooth whitener in young adults. Significant color changes occurred after active treatment but were substantially reversed after one week. No permanent changes were found in either pulpal or gingival health.
A G, Gegauff +3 more
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Effects of carbamide peroxide on dental luting agents
Journal of Endodontics, 1992Vital bleaching of natural dentition using a 10% carbamide peroxide in solution may adversely effect restorative materials such as the luting agents. The purpose of this study is to examine surface structure and alterations of atomic weight percentages of elements in (a) zinc phosphate, (b) glass-ionomer, and (c) resin cements after contact with the ...
K L, Jefferson, R B, Zena, B, Giammara
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Antibacterial activity of 10% carbamide peroxide bleaching agents
Journal of Endodontics, 1996The antibacterial activity of three commercial 10% carbamide peroxide bleaching agents (Nite White, Karisma, and Opalescence) on Streptococcus mutans, Streptococcus mitis, Streptococcus sanguis, Lactobacillus casei, and Lactobacillus acidophilus was examined. Chlorhexidine (0.2%) was used as a positive control.
S, Gurgan, S, Bolay, R, Alaçam
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