Effect of Remineralizing Agents on Tooth Color After Home Bleaching

Malekipour, Mohammad Reza; Norouzi, Zahra; Shahlaei, Sahar

doi:10.18502/fid.v16i3.1586

Cited by 10 publications

(13 citation statements)

References 35 publications

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“…Chlorhexidine has been shown to have more positive effect on the bond durability of composite to dentin in etch and rinse bonding systems [ 45 , 46 ], while the present study evaluated the immediate bond strength and the two-stage self-etch bonding system without the contact of dentin with acid. Chlorhexidine mouthwash causes tooth discoloration after long-term application [ 27 , 47 ], but according to the results obtained in this field, its short-term application for microbial detoxification does not have adverse effects on the bond strength of resin to enamel and dentin, and it can be used without any concerns.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the Effect of Anti-COVID-19 Mouthwashes on Shear Bond Strength of Composite Resin Restorations to Dentin and Enamel: An “In Vitro Study”

Shirani

Mazdak

Mazaheri

et al. 2022

BioMed Research International

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Objectives. Given the high prevalence of the coronavirus and the high risk of virus transfer to dentists, the use of mouthwashes, which can potentially eliminate this virus, is suggested before dental procedures. Since these mouthwashes may affect the bond strength of composite resin restorations to teeth, this study was conducted to investigate the effect of recommended mouthwashes on the shear bond strength of composite resin restorations to dentin and enamel in selective etch and rinse and two-step self-etch bonding systems. Methods. Five groups of posterior teeth ( n = 15 ) were selected for five groups of cetylpyridinium chloride 0.07%, povidone-iodine 1%, hydrogen peroxide 1%, and chlorhexidine 0.2% as mouthwash and distilled water as the control group. The buccal enamel and lingual dentin of each tooth were rinsed after immersion in a mouthwash. After 20 seconds of enamel acid-etching and 15 seconds of dentin priming, they were impregnated with an adhesive, and composite cylinders were placed on the dentin and enamel surfaces of the tooth. The shear bond strength test was performed after 24 hours, and results were analyzed by ANOVA and paired t -test ( α = 0.05 ). Results. The mean shear bond strength of enamel to composite was significantly ( p < 0.05 ) higher than that of dentin to composite in each study group, but no significant difference was found between the mean shear bond strength of composite to enamel ( p = 0.199 ) and to dentin ( p = 0.335 ) after the use of mouthwashes and that of the control group. Conclusion. The use of mouthwashes used in this study did not have negative effects on the shear bond strength of composite to enamel and dentin.

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Section: Discussionmentioning

confidence: 99%

Evaluation of the Effect of Anti-COVID-19 Mouthwashes on Shear Bond Strength of Composite Resin Restorations to Dentin and Enamel: An “In Vitro Study”

Shirani

Mazdak

Mazaheri

et al. 2022

BioMed Research International

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“…Some authors report that the b* parameter is the most important for tooth whitening 7,18 , while other authors observe greater alteration in the L* parameter after whitening 19,20 . Further, there are studies which point out that the results of the three parameters influence in the same way for whitening 21,22 . However, when analyzing the results of the studies, the fact that the research was performed using different methodologies, different types of whitening materials, agents and methods should be taken into consideration, and therefore there was no consensus in the literature.…”

Section: Discussionmentioning

confidence: 99%

The influence of the CIELAB parameters on the perception of color after the use of whitening toothpastes

et al. 2021

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Aim: To evaluate the influence of the parameters L* a* b* on the variation of the color of bovine tooth enamel submitted to artificial darkening, after simulated brushing, with whitening toothpastes containing blue covarine. Methods: To undertake this study in vitro, 60 specimens (SP) were divided into 6 groups (n=10): control group (CGwater) and 5 test groups (GT1-Colgate Total 12, GT2-Oral-B 3D White Perfection, GT3- Colgate Luminous Instant White, GT4-CloseUp White Diamond Attraction, GT5-Sorriso Xtreme White). The specimens were darkened with coffee and submitted to simulated brushing for 6, 12, and 24 months. The alteration in the color was evaluated using CIELAB parameters and the ΔL, Δa, Δb and ΔE were calculated. The data was analyzed through generalized linear models using the R program and considering a level of significance of 5%. Results: The parameters L*, a* and the ΔL, Δa obtained better results in the test group than in the control group. There were no statistical differences between CG and the test groups for the evaluation of the b* parameter. In the evaluation of the Δb, the GT3 differed statistically from the CG. In relation to the ΔE, all the group tests showed a variation in color statistically greater than that of the CG and the GT4 showed the greatest variation, not differing from the GT3 during the periods studied. Conclusion: The mechanical and optical whitening agents positively influenced the values L*a* and b*, as well as in its variations and in the ΔE. It is important to emphasize, however, that to analyze tooth whitening it is necessary to evaluate their parameters together.

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“…Pearson correlation coefficient was utilized for correlation analyses, and the predicted significance of miR was analyzed by the ROC curve. When P values <0.05, statistically significant differences were indicated [ 25 ].…”

Section: Methodsmentioning

confidence: 99%

MicroRNA miR-497 is closely associated with poor prognosis in patients with cerebral ischemic stroke

et al. 2021

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Cerebral ischemic stroke (CIS) is the most common type of stroke, which is highly hazardous. This investigation aims to analyze the correlation of miR-497 with CIS, so as to provide reliable evidence for clinical response to CIS and lay a solid foundation for follow-up research. Eightynine CIS patients and 39 concurrent physical examinees selected between June 2017 and October 2018 were enrolled as the research participants. Additionally, SD rats with increased miR-497 expression and normal SD rats were purchased for CIS modeling to observe the clinical implications of miR-497 in CIS, as well as the water content of brain tissue and neuronal apoptosis of rats. miR-497 expression was lower in CIS patients than in physical examinees, and that in patients with complete stroke (CS) was the lowest, which increased after treatment. As determined by the receiver operating characteristic curve (ROC) analysis, miR-497 had an outstanding diagnostic efficacy for CIS and was negatively correlated with the National Institutes of Health Stroke Scale (NIHSS) and MDA concentration, while positively related to SOD concentration. Prognostic follow-up demonstrated that decreased miR-497 expression in patients after treatment predicted an increased risk of prognostic death and recurrence. However, observed in rats, the water content of the brain tissue of rats with increased miR-497 expression was reduced, and the neuronal apoptosis rate of the brain tissue was inhibited. Taken together, with low expression in CIS, miR-497 is strongly related to CIS progression and is a candidate CIS marker.

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Effect of Remineralizing Agents on Tooth Color After Home Bleaching

Cited by 10 publications

References 35 publications

Evaluation of the Effect of Anti-COVID-19 Mouthwashes on Shear Bond Strength of Composite Resin Restorations to Dentin and Enamel: An “In Vitro Study”

Evaluation of the Effect of Anti-COVID-19 Mouthwashes on Shear Bond Strength of Composite Resin Restorations to Dentin and Enamel: An “In Vitro Study”

The influence of the CIELAB parameters on the perception of color after the use of whitening toothpastes

MicroRNA miR-497 is closely associated with poor prognosis in patients with cerebral ischemic stroke

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