Charcoal in Dentistry

Thakur, Abhilasha; Ganeshpurkar, Aditya; Jaiswal, Anupam

doi:10.1002/9781119618973.ch13

Cited by 11 publications

(4 citation statements)

References 13 publications

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“…Concurring with the present study results, Farghal and Elkafrawy [9] showed no significant difference between control group (distilled water) and charcoal-containing toothpaste (Perfect White Black) in both microfilled (Heliomolar) and nanohybrid (Tg-nanohybrid) composite resins. Although higher wear and diminished hardness were reported as the side effects of using the activated charcoal [7,9,29], this study could not confirm the negative effect of charcoal on enamel hardness.…”

Section: Discussioncontrasting

confidence: 60%

“…Although the whitening effect of charcoal was confirmed in this study, some authors have questioned the whitening efficacy of charcoal toothpastes [ 29 ] or even have rejected it [ 24 , 30 ]. For instance, Febriani et al [ 31 ] showed activated charcoal could absorb positively charged pigments, or it may improve tooth color as efficiently as hydrogen peroxide-containing toothpastes [ 26 ], whereas some authors reported no color change after using charcoal-containing toothpaste and powder [ 24 , 30 ].…”

Section: Discussionmentioning

confidence: 60%

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Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials

Forouzanfar

Hasanpour

Yazdandoust

et al. 2023

International Journal of Dentistry

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Background and Objectives. Charcoal-containing toothpastes have become popular among many patients; however, there is inadequate scientific evidence on oral health. This study aimed to evaluate the color change, surface microhardness, and roughness of bovine enamel and composite resin submitted to simulated toothbrushing with a whitening toothpaste containing activated charcoal. Methods. Thirty-six bovine incisors and resin composite samples were prepared, stained with black tea, and then randomly divided into two groups. The samples were brushed with a charcoal-containing toothpaste (Colgate® MAX WHITE) and daily toothpaste (Colgate® Max Fresh) for 10,000 cycles. Before and after brushing cycles, color variables (ΔL, Δa, Δb), total color change (ΔE), plus Vickers microhardness were evaluated. Two samples of each group were prepared for surface roughness assessment via atomic force microscope. Data were analyzed by Shapiro–Wilk, Independent sample t-test and Mann–Whitney U tests. Results. According to the obtained results, ΔE and ΔL were significantly higher whereas Δa and Δb were noticeably lower in charcoal-containing toothpaste group in comparison with daily toothpaste in both composite and enamel samples. The microhardness of samples brushed with Colgate® MAX WHITE was significantly higher than that of Colgate® Max Fresh in enamel ( P = 0.04 ), whereas no significant difference was found in composite resin samples ( P = 0.23 ). Colgate® MAX WHITE enhanced the roughness of both enamel and composite surfaces. Conclusion. The charcoal-containing toothpaste could improve the color of both enamel and resin composite with no negative effect on microhardness. Nevertheless, its adverse roughening effect should be considered occasionally on composite restorations.

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Section: Discussioncontrasting

confidence: 60%

Section: Discussionmentioning

confidence: 60%

Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials

Forouzanfar

Hasanpour

Yazdandoust

et al. 2023

International Journal of Dentistry

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“…Because it has the power to alter the pH of the mouth, it prevents bacteria and germs that cause disease from thriving and procreating there, keeping the mouth healthy and safe. 4,5 Calcium hydroxide is commonly used in dentistry for its antibacterial properties. It has been used for many years in various dental procedures due to its ability to eliminate or control bacteria in the oral cavity.…”

Section: Introductionmentioning

confidence: 99%

Comparison Between the Effect of Normal Saline, Calcium Hydroxide and Colloidal Gold /Charcoal Extract Combination on Two Isolated Strains From Dental Canals – Enterococcus Faecalis and Streptococcus Mutans-

hussien,

Hamdi

2023

Egyptian Dental Journal

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Aim:The aim of this study was to compare the effect of two different materials which are colloidal gold/charcoal extract combination and calcium hydroxide on two commonly isolated bacteria from dental canal root which are Enterococcus faecalis and Streptococcus mutans.Methodology: A total of ten Enterococcus fecalis and ten Streptococcus mutans strains were selectively isolated from infected human teeth on MacConckey's agar and Mitis-Salivarius agar respectively. For each bacterial strain, the antibacterial effects of colloidal gold/charcoal extract combination and calcium hydroxide were tested via in vitro disk diffusion susceptibility assay. Zones of growth inhibition were measured and compared between the two formulations.Results: When comparing the mean range of bacterial zone of inhibition around both materials, the mean range was higher for colloidal gold/charcoal extract combination than that of calcium hydroxide in both bacteria. The results were significant as suggested by the P value (<0.05). Conclusion:Bacterial inhibition effect of gold/charcoal combination was stronger than the effect of calcium hydroxide on both types of tested bacteria.

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“…The functionalization of the new electrodes employing a simple activation using steam is seen as more environmentally friendly than the use of chemicals, which could create blockages in the pores of AC impeding the self-discharge capabilities, or require a removal, resulting in additional process steps and the generation of wastewater . Moreover, insights into the environmental performance of the AC manufacturing route have a broader interest given the common use of AC for air and water purification, pollution abatement technologies, , and as an ingredient in personal cosmetics …”

Section: Introductionmentioning

confidence: 99%

Life Cycle Assessment of Supercapacitor Electrodes Based on Activated Carbon from Coconut Shells

Glogic

Kamali

Keppetipola

et al. 2022

ACS Sustainable Chem. Eng.

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Coconut shells can be used to produce high-performance activated carbon (AC) electrodes for energy storage supercapacitors. An incentive to promote this manufacturing route is sought through its anticipated positive impact on the environment and the substitution of non-renewable resources. The present study sets out to assess the environmental performance of a recently developed route for AC manufacturing through a simple activation process using steam. The analysis was carried out using the life cycle assessment (LCA) approach to investigate the production of AC material and resulting electrodes for a broad range of environmental impact categories and energy use. The study was conducted for a hypothetical optimized industrial-scale scenario drawing on experimental observations, literature, and energy and material balance calculations. Impact assessment results were presented both for the functional unit of electrode’s capacitance and mass of AC and electrode, and interpreted through comparative analyses with coal-derived AC, reduced graphene oxide, and algae-derived biochar aerogel electrodes. The impact assessment results of the new AC electrode show competitive performance across most of the investigated impact categories and indicators. Larger impacts are mostly only observed for the land and water use categories stemming from the agriculturally intensive practice of coconut production. A total of 5.68 kg of CO2 and 34.4 MJ of CED kg–1 AC are reported, with AC constituting roughly 60% of the total impacts arising in the production of supercapacitor electrodes. The results have to be interpreted with present limitations to data especially considering the potentially high variability of carbon content in coconut shell species.

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Charcoal in Dentistry

Cited by 11 publications

References 13 publications

Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials

Evaluating the Effect of Active Charcoal-Containing Toothpaste on Color Change, Microhardness, and Surface Roughness of Tooth Enamel and Resin Composite Restorative Materials

Comparison Between the Effect of Normal Saline, Calcium Hydroxide and Colloidal Gold /Charcoal Extract Combination on Two Isolated Strains From Dental Canals – Enterococcus Faecalis and Streptococcus Mutans-

Life Cycle Assessment of Supercapacitor Electrodes Based on Activated Carbon from Coconut Shells

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