Pellicle modification with natural bioproducts: Influence on tooth color under erosive conditions

Mailart, Mariane Cintra; Berli, Pavel Claudio; Borges, Alessandra Bühler; Yılmaz, Burak; Baumann, Tommy; Carvalho, Thiago Saads

doi:10.1111/eos.12886

Cited by 3 publications

(1 citation statement)

References 46 publications

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“…The etiology of this condition is related to extrinsic factors such as the frequent consumption of acidic beverages, and to intrinsic factors such as gastroesophageal reflux and eating disorders [7]. Thus, the erosion simulation has been largely applied to investigate the influence of acid agents on dental substrates [8][9][10][11][12][13] and on the longevity of restorative materials [2][3][4][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Wear of dental ceramics

Ramos

Augusto²,

Alves

et al. 2023

Braz. Dent. Sci.

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Based on the development of adhesive dentistry, minimally invasive restorations in ceramics are used as alternatives to restore a tooth. Dental ceramics are largely applied in the dentistry field mainly due to their esthetic and mechanical strength. One of the ceramic properties to be well known before its use is the wear resistance that should be compatible with the antagonist wear behavior to avoid unwanted performance. Therefore, several methods have been performed to assess the ceramic materials wear behavior considering different conditions present in the complex oral medium. This study aimed to compile the methods used to investigate dental ceramics wear and to describe the wear mechanisms involved on them. Obtaining and analyzing data is also addressed to discuss the results obtained from different methods, as well as the clinical analysis of wear and future perspectives on this topic. In conclusion, many methodologies are available to measure the ceramic wear. Therefore, the methods must be selected based on the clinical significance of each study and should follow previously reported parameters for standardization, allowing literature comparison.

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Section: Introductionmentioning

confidence: 99%

Wear of dental ceramics

Ramos

Augusto²,

Alves

et al. 2023

Braz. Dent. Sci.

View full text Add to dashboard Cite

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Pellicle modification with natural bioproducts: Influence on tooth color under erosive conditions

Mailart

Berli

Borges

et al. 2022

European J Oral Sciences

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Salivary pellicle was modified with bioproducts and we assessed the change in tooth color and the protection of enamel to erosion. Human enamel specimens were assigned to one of three solutions: grape seed extract or black tea (bioproducts), or deionized water (negative control); after which one half the specimens underwent erosive challenges. The specimens underwent 15 cycles involving salivary pellicle formation (10 min, 37˚C), incubation in solution (2 min, 25˚C), subsequent pellicle formation (90 min, 37˚C). Half of the specimens was kept in a humid chamber and the other half was submitted to erosion (2 min, 1% citric acid). After 15 such cycles, the pellicle was removed. Tooth color and the surface reflection intensity were assessed after every five cycles and after pellicle removal. For non-eroded specimens, the exposure to bioproducts promoted significantly greater color change than the deionized water, with increases in yellow appearance. After pellicle removal, the color was similar in all non-eroded specimens. The bioproducts increased the surface reflection intensity over cycles. For the erosion-exposed specimens, erosion itself resulted in color change. Black tea and deionized water resulted in increased yellow appearance. Exposure to the bioproducts resulted in higher relative surface reflection intensity values over time, but only grape seed extract resulted in higher relative surface reflection intensity value at the time of pellicle removal. The bioproducts caused transient staining effect, which was reduced after pellicle removal. For enamel submitted to erosion, grape seed extract resulted in less color change and better protection of enamel against erosion than black tea or water.

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Rinsing solutions containing natural extracts and fluoride prevent enamel erosion in vitro

et al. 2023

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Rinsing solutions containing natural extracts and fluoride prevent enamel erosion in vitroPolyphenols interact with salivary proteins and thus can improve the pellicle's erosion protective properties. This effect could be exploited to create rinsing solutions with polyphenols as active ingredients for erosion prevention. Different from the current gold standard for erosion protective rinsing solutions, these rinses would not rely on stannous ions. This would offer alternatives for patients with concerns regarding the composition of rinsing solutions and preferring bio-products. Objective: To develop an erosion-preventive rinsing solution containing natural polyphenol-rich extracts. Methodology: Solutions were prepared with polyphenols from either grapeseed extract or cranberry extract, 500 ppm fluoride added, and additionally flavors and sweeteners. Controls were deionized water, 500 ppm fluoride solution, and the gold standard rinse in the field (Sn 2+ /F-). In total, 135 enamel specimens (n=15/group) were subjected to five cycles of salivary pellicle formation (30 min, 37°C), modification with the solutions (2 min, 25°C), further salivary pellicle formation (60 min, 37°C), and erosive challenge (1 min, 1% citric acid, pH 3.6). Relative surface microhardness (rSMH), surface reflection intensity (rSRI), and amount of calcium release (CaR) were investigated. Data were analyzed with Kruskal-Wallis and Wilcoxon rank sum tests (α=0.05). Results: The polyphenol solutions containing fluoride, as well as additional flavors, protected enamel better than fluoride alone, and similar to the Sn 2+ /F-solution, when investigating both rSMH and CaR. When measuring rSRI, Sn 2+ /F-showed the best protection, while the polyphenol solutions were similar to fluoride. Conclusion: For two of the three assessed parameters (rSMH and CaR), both developed polyphenolrich rinsing solutions were able to protect enamel from erosion, improving/ potentializing the effect of fluoride and matching the protection offered by the current gold standard rinsing solution.

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Pellicle modification with natural bioproducts: Influence on tooth color under erosive conditions

Cited by 3 publications

References 46 publications

Wear of dental ceramics

Wear of dental ceramics

Pellicle modification with natural bioproducts: Influence on tooth color under erosive conditions

Rinsing solutions containing natural extracts and fluoride prevent enamel erosion in vitro

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