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Hardan L, Bourgi R, Flores-Ledesma A, Devoto W, Devoto E, Fernández-Barrera MÁ, Kharouf N, Cuevas-Suárez CE. Is a White Diet Necessary for Tooth Bleaching Procedures? A Systematic Review and Meta-Analysis. Dent J (Basel) 2024; 12:118. [PMID: 38668030 PMCID: PMC11049513 DOI: 10.3390/dj12040118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/02/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
The aim of this investigation was to conduct a systematic review and meta-analysis to determine the necessity of a white diet during or following a bleaching procedure. This systematic review and meta-analysis followed the PRISMA guidelines meticulously. The research question was: Is a white diet necessary during and/or after a bleaching treatment? In vitro studies or clinical trials reporting the color change in bleached enamel after the use of a free-staining diet were considered for full-text review. For the analyses, a random-effects model was employed. Statistical significance was defined as a p-value < 0.05. A total of 17 documents were eligible for qualitative analysis: 5 clinical trials and 12 in vitro studies. Only data from the clinical trials were included in the meta-analysis. For at-home bleaching, differences in the color among the subjects were not statistically significant during the first (p = 0.64), second (p = 0.26) or third (p = 0.43) weeks of treatment. Also, the color difference one month after finishing the bleaching treatment were not statistically significant (p = 0.27). The color difference one month after finishing an in-office treatment showed that the restrictions on diet did not significantly improve the bleaching outcomes (p = 0.90). According to the findings of this review, dietary restrictions are not necessary during or after bleaching procedures.
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Affiliation(s)
- Louis Hardan
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (L.H.); (R.B.)
| | - Rim Bourgi
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (L.H.); (R.B.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Biomaterials and Bioengineering, 67000 Strasbourg, France;
| | - Abigailt Flores-Ledesma
- Dental Materials and Biomaterials Laboratory Faculty of Stomatology, Meritorious Autonomous University of Puebla, Puebla 72000, Mexico;
| | - Walter Devoto
- Private Practice, 16030 Liguria, Italy; (W.D.); (E.D.)
| | - Emma Devoto
- Private Practice, 16030 Liguria, Italy; (W.D.); (E.D.)
| | - Miguel Ángel Fernández-Barrera
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, Circuito Ex Hacienda La Concepción S/N, San Agustín Tlaxiaca 42160, Mexico;
| | - Naji Kharouf
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Biomaterials and Bioengineering, 67000 Strasbourg, France;
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University of Strasbourg, 67000 Strasbourg, France
| | - Carlos Enrique Cuevas-Suárez
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, Circuito Ex Hacienda La Concepción S/N, San Agustín Tlaxiaca 42160, Mexico;
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Basheer RR, Abouelmagd DM, Alnefaie A, Baamer R. Effect of At-Home Versus Over-the-Counter Bleaching Agents on Enamel Color, Roughness, and Color Stability. Cureus 2023; 15:e39036. [PMID: 37323345 PMCID: PMC10266434 DOI: 10.7759/cureus.39036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2023] [Indexed: 06/17/2023] Open
Abstract
Background This study was designed to evaluate the efficacy of standard at-home bleaching agents in comparison to new over-the-counter (OTC) products on human enamel regarding color change, color stability, and surface roughness. Methodology A total of 80 extracted adult human maxillary central incisors were prepared and arbitrarily divided into the following four equal groups (N =20): group A: at-home opalescence boost containing 15% carbamide peroxide (CP); group B: crest whitening strips containing 6% hydrogen peroxide (HP); group C: light-emitted diode (LED) home tray with 20% CP + 4% HP; and group D: white and black toothpaste containing active charcoal components. Tooth color was measured using a spectrophotometer. Enamel surface roughness using a three-dimensional optical profilometer was measured before and after the bleaching procedure. To assess color stability, each bleached group was further subdivided into two equal subgroups (n = 10) according to the immersion media of either coffee or tea. Finally, the color was measured after 24 hours of immersion. Results All groups showed improvement in color from the baseline. The crest whitening strips group showed the lowest color improvement in comparison to all other groups. After staining, group C showed the lowest mean color change value ∆E2. No statistically significant difference was noted in surface roughness among all groups. Conclusions All OTC bleaching products as well as at-home bleaching improve teeth color and increase roughness on the enamel surface. Staining media has an adverse effect on the teeth after bleaching. The LED home tray showed a better whitening effect and color stability after bleaching.
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Affiliation(s)
- Rasha R Basheer
- Restorative Department, Faculty of Dentistry, King Abdulaziz University, Jeddah, SAU
- Conservative Department, Faculty of Dentistry, October University for Modern Sciences and Arts, Giza, EGY
| | - Dalia M Abouelmagd
- Restorative Department, Faculty of Dentistry, King Abdulaziz University, Jeddah, SAU
- Restorative Department, Faculty of Dentistry, Cairo University, Cairo, EGY
| | - Abeer Alnefaie
- General Dentistry Department, Faculty of Dentistry, King Abdulaziz University, Jeddah, SAU
| | - Raghad Baamer
- General Dentistry Department, Faculty of Dentistry, King Abdulaziz University, Jeddah, SAU
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Barbosa IF, Frazão Câmara JV, Pierote JJA, Menezes LR, de Freitas PF, Santos LA, Martini T, Paulillo LAMS, Aguiar FHB. The in vitro effect of solutions with or without sugar in dental bleaching. J Mech Behav Biomed Mater 2023; 142:105821. [PMID: 37054575 DOI: 10.1016/j.jmbbm.2023.105821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/27/2023] [Accepted: 03/31/2023] [Indexed: 04/03/2023]
Abstract
The interaction of bleaching technique (in-office or at-home) and solutions (deionized distilled water with and without sugar, red wine with and without sugar, coffee with and without sugar) on the effectiveness of in vitro dental bleaching was evaluated. Hydrogen peroxide (HP) 37.5% gel was used for in-office bleaching, 3 applications of 8 min each, 3 sessions with an interval of 7 days. At-home bleaching was performed with 10% Carbamide peroxide (CP), 2 h/day, for 30 days. The enamel vestibular surfaces (n = 72) were subjected daily to test solutions for 45 min, washed with distilled water for 5 min and stored in artificial saliva. The enamel color analysis was performed with a spectrophotometer through color variation (ΔE) and luminosity variation (ΔL). Roughness analysis was performed by atomic force microscopy (AFM) and scanning electron microscopy (SEM). Enamel composition was determined by energy dispersive X-ray spectrometry (EDS). The results were submitted to one-way analysis of variance (ANOVA) for ΔE, ΔL and EDS and two-way for AFM. For ΔE and ΔL there was no statistically significant difference. An increase in roughness was observed on the surface when exposed to a sugar-water solution for at-home bleaching and a lower concentration of Ca and P in the deionized water solution with sugar. Solutions containing or not sugar did not influence the bleaching potential, however the presence of sugar in the water solution increased the surface roughness with CP.
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Abstract
Kombucha is a fermented sweetened tea with a mixed fermenting culture of yeast and acetic acid bacteria. While the history of kombucha is not completely clear, it is now available around the world and has shown an increase in availability and demand in the United States market. The proponents of kombucha consumption tout the varied health benefits it can provide. The final kombucha flavor and composition is a function of both the initial tea used and the fermentation process. While the ascribed benefits are varied and numerous, the number of direct studies has been limited. This review focuses on the current state of understanding of the chemical composition and the potential health effects both positive and negative reported in the literature.
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Milk Reduces Enamel Staining Caused by Black Tea and Chlorhexidine Mouthwash. BEVERAGES 2022. [DOI: 10.3390/beverages8030040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of our study was to determine whether milk diminished the staining effects of Turkish and imported black tea with or without chlorhexidine. Human incisor teeth (n = 36) were incubated with 18 different preparations of steeped or infused black tea plus saliva with or without milk and/or chlorhexidine. Enamel staining was measured using a colorimeter before and after exposure. Independent of the type of tea, the inclusion of milk changed the tooth color toward blue on the yellow–blue spectrum (p < 0.001) and toward black on the black–white spectrum (p < 0.001). The inclusion of chlorhexidine changed the tooth color toward white on the black–white spectrum (p < 0.01) and toward yellow on the yellow–blue spectrum (p < 0.001). The inclusion of both milk and chlorhexidine caused a yellow color difference (Δb*= 0.244); this change was reduced with the addition of chlorhexidine only (Δb* = 0.8224). Tea plus chlorhexidine exerted a substantial color change. Milk reduces the staining caused by tea, and the color change induced by the addition of milk can be interpreted as optical white. Milk also neutralizes some of the yellow staining caused by chlorhexidine.
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Karakaya İ, Cengiz-Yanardag E. Effects of Staining Beverages and Office Bleaching Agents on the Optical Characteristics and Surface Topography of Maxillary Incisor Teeth. CYPRUS JOURNAL OF MEDICAL SCIENCES 2022. [DOI: 10.4274/cjms.2020.2726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Sarembe S, Kiesow A, Pratten J, Webster C. The Impact on Dental Staining Caused by Beverages in Combination with Chlorhexidine Digluconate. Eur J Dent 2022; 16:911-918. [PMID: 35196724 DOI: 10.1055/s-0041-1742123] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
OBJECTIVES There are several hypotheses regarding how chlorhexidine (CHX) digluconate causes staining with the role of beverages, specifically the precipitation of anionic dietary chromogens onto adsorbed cations, the most probable cause. The aim of this study was to investigate and compare the staining potential of common beverages using an in vitro staining and brushing model to better understand the interactions between chromogens from different beverage categories and the teeth. MATERIALS AND METHODS Human enamel samples were exposed to a cyclic treatment of artificial saliva and 0.2% CHX mouthwash combined with a range of beverages, with and without brushing, simulating a period equivalent to 2 weeks. Eleven beverages were tested: diet coke, diet lemonade, white wine, red wine, lager beer, black tea, coffee, black tea with milk, coffee with milk, ginger and lemon infusion, and water. Toothbrushing was performed in a brushing simulator with toothpaste and also with water. Colorimetric differences were determined by ΔE using a VITA Easyshade dental spectrophotometer. Statistical analyses were performed by one-way analysis of variance with post hoc Tukey's honestly significant difference test and Levene's test. RESULTS Black tea and red wine produced highest staining, which agrees with the literature. Significant staining was also observed for a ginger and lemon infusion, coffee, coffee with milk, tea with milk, and lager beer compared with water (p < 0.05). The staining potential of diet coke in combination with brushing appeared to be connected to its low pH. Both white wine and diet lemonade produced stain comparable to the water control. After treatment with high staining beverages, scanning electron microscope evaluation confirmed the formation of a surface layer. The mechanical resistance of the stain differed depending on the beverage, black tea stain was the most resistant. The addition of milk to tea and coffee considerably modified the stain layer and the adhesion to the tooth surface. CONCLUSION The data may help demonstrate that appropriate user guidance can avoid stain and in turn help improve user compliance during short-term use of this gold standard antimicrobial treatment.
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Affiliation(s)
- Sandra Sarembe
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle, Germany
| | - Andreas Kiesow
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle, Germany
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Dutra H, Barbosa I, Câmara JV, Pereira G. Influence of brushing with natural dentifrices on color change: In vitro study. J Clin Exp Dent 2021; 13:e809-e816. [PMID: 34512921 PMCID: PMC8412801 DOI: 10.4317/jced.58066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 03/15/2021] [Indexed: 11/12/2022] Open
Abstract
Background To evaluate in vitro the influence of daily brushing with the use of natural toothpastes on the color change of enamel in bovine teeth.
Material and Methods Four dentifrices were used, one conventional Colgate Total 12 - Clean Mint (G1), and three natural, Contented Toothpaste with Organic and Natural Ingredients (G2); Dental Toothpaste (G3) and Aliv-Gaia Toothpaste (G4). Eighty bovine teeth were distributed in four experimental groups with 20 teeth each (n = 20). The buccal enamel surface of the teeth was subjected to brushing, with the related dentifrices of each group, for 2.13 seconds three times a day, with an electric brush Oral B 5000 Professional Care. Before and after brushing, color measurement tests with a spectrophotometer were performed. The color variation was calculated using the formula ΔE = [(ΔL *) 2+ (Δa *) 2+ (Δb *)2] 1/2. The results obtained were tabulated and submitted to the Kruskal Wallis non-parametric test.
Results The color change (ΔE) observed was 7.551 and p-value equal to 0.056, determining that there was no statistically significant difference between the groups. However, qualitative tests showed the clearing of all experimental groups, G3 with the greatest change, followed by G2, G1 and G4.
Conclusions The evaluated dentifrices were not able to promote color change. Key words:Dental enamel, plant extracts, saliva, artificial, dentifrices.
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Affiliation(s)
- Helena Dutra
- MSc, Department of Dental Clinic, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Isabel Barbosa
- PhD, Department of Restorative Detistry, Piracicaba School of Dentistry, Campinas State University, Piracicaba, São Paulo, Brasil
| | - João-Victor Câmara
- Master student, Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Bauru, São Paulo, Brazil
| | - Gisele Pereira
- Adjunct Professor, Department of Dental Clinic, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Odabas T, Hajiyev R, Gultekin A, Atakoglu OO, Harorli OT. Can We Prevent Coffee Stains on Teeth? J Med Food 2021; 24:1331-1339. [PMID: 34160286 DOI: 10.1089/jmf.2020.0205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study evaluates whether some common beverages treated before coffee could protect or increase tooth staining caused by coffee. Initial color of 50 incisor teeth were measured with a spectrophotometer and recorded according to CIELAB color system. Teeth were randomly divided into five groups, water (control), milk, green tea, orange juice, and cola (n = 10) and were kept in selected beverage for 10 min. Immediately afterward, they were immersed in coffee and allowed to stand for 24 h. The treatment was repeated for 5 days. At the end of the fifth day, L*a*b* color measurements of the teeth were repeated. Calcium, phosphorus, potassium, and magnesium changes on representative teeth surfaces were also investigated with X-ray fluorescence spectroscopy. Color differences were calculated with both CIEab and CIE00 formulas. Groups were compared with Kruskal-Wallis test complemented by the Bonferroni correction and Mann-Whitney U test for pairwise comparisons (P = .05). The teeth submitted to coffee challenges after distillated water or beverages showed a perceptible color change. Soaking in cola or orange juice before coffee immersion caused severe tooth discoloration. All the beverages tested here were not able to protect the tooth from coffee staining. People should be informed that some acidic beverages consumed before a coffee can worsen the coffee-based tooth discolorations.
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Affiliation(s)
- Tugce Odabas
- Department of Restorative Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
| | - Rufat Hajiyev
- Department of Prosthetic Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
| | - Ahmet Gultekin
- Department of Restorative Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
| | - Ozge Ozer Atakoglu
- Department of Geology, Engineering Faculty, Akdeniz University, Antalya, Turkey
| | - Osman Tolga Harorli
- Department of Restorative Dentistry, Faculty of Dentistry, Akdeniz University, Antalya, Turkey
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Manno SHC, Manno FAM, Tian L, Khan MS, Ahmed I, Liu Y, Li VWT, Xu S, Xie F, Hung TF, Ma V, Cho W, Aldape B, Cheng SH, Lau C. Spectroscopic and microscopic examination of teeth exposed to green tea at different temperatures. PLoS One 2020; 15:e0244542. [PMID: 33378409 PMCID: PMC7773275 DOI: 10.1371/journal.pone.0244542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 12/14/2020] [Indexed: 11/18/2022] Open
Abstract
Tea is a popular beverage consumed at different temperatures. The effect of tea on teeth at different temperatures has not been studied previously. The present study used an in vitro green tea immersed tooth model at different tea temperatures (hot and cold) compared to an in vivo tea administration model allowing rats to drink tea over the course of a week. The elements present in tea leaves were identified by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and compared to the elements in teeth (enamel surface) using Laser-Induced Breakdown Spectroscopy (LIBS). Here, LIBS demonstrated in vivo and in vitro green tea treatments resulted in a significant increase in the mineral elements found in enamel. For the in vitro assessment, elements in enamel varied based on cold-tea and hot-tea treatment; however, hot water reduced the elements in enamel. Atomic force microscopy found the in vivo tea group had a higher roughness average (RA) compared with the in vivo water group. Cold tea and hot tea in vitro groups demonstrated lower RA than in vitro water controls. Scanning electron microscopy found hot water induced cracks more than 1.3μm in enamel while cold tea and hot tea promoted the adhering of extrinsic matter to teeth. Overall, teeth treated to high temperature lost the mineral phase leading to demineralization. Our results indicate that green tea protects enamel, but its protective action in dental structures is enhanced at cold temperature.
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Affiliation(s)
- Sinai H. C. Manno
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
- State Key Laboratory of Marine Pollution (SKLMP), City University of Hong Kong, Hong Kong SAR, China
- Department of Physics, City University of Hong Kong, Hong Kong SAR, China
| | - Francis A. M. Manno
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
- Department of Physics, City University of Hong Kong, Hong Kong SAR, China
| | - Li Tian
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
- State Key Laboratory of Marine Pollution (SKLMP), City University of Hong Kong, Hong Kong SAR, China
| | - Muhammad S. Khan
- Department of Physics, City University of Hong Kong, Hong Kong SAR, China
| | - Irfan Ahmed
- Department of Physics, City University of Hong Kong, Hong Kong SAR, China
- Department of Electrical Engineering, Sukkur IBA University, Sukkur, Sindh, Pakistan
| | - Yuanchao Liu
- Department of Physics, City University of Hong Kong, Hong Kong SAR, China
| | - Vincent W. T. Li
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Shisan Xu
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Fangjing Xie
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Tak Fu Hung
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Victor Ma
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong, Hong Kong SAR, China
| | - William Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong, Hong Kong SAR, China
| | - Beatriz Aldape
- División de Estudios de Posgrado e Investigación, Facultad de Odontología, Portal de la Universidad Nacional Autónoma de México, México, D.F., México
| | - Shuk Han Cheng
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
- State Key Laboratory of Marine Pollution (SKLMP), City University of Hong Kong, Hong Kong SAR, China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Condon Lau
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
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CÂMARA JVF, SOUZA LDPPSD, VARGAS DOA, BARBOSA IF, PEREIRA GDDS. Effect of tooth enamel staining by coffee consumption during at-home tooth bleaching with carbamide peroxide. REVISTA DE ODONTOLOGIA DA UNESP 2020. [DOI: 10.1590/1807-2577.02420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Abstract Introduction Obtaining the result expected during tooth bleaching requires a correct diagnosis of the type of staining presented. The causes of tooth staining differ depending on the etiological factor. Objective To assess the color change caused by the immersion of bovine teeth in coffee solution during at-home tooth bleaching using a 16% carbamide peroxide gel. Material and method Thirty-three sound bovine teeth were assigned to three groups of eleven teeth each: 1 – Teeth bleached (TB) four hours per day for 21 days; 2 – TB four hours per day for 21 days and immersed in coffee solution immediately after tooth bleaching; 3 – TB four hours per day for 21 days and immersed in coffee solution four hours after the end of tooth bleaching. Immersed in coffee was performed for 15 minutes and tooth color was assessed before the start of the bleaching procedure and after 21 days with an intraoral spectrophotometer. Test Shapiro-Wilk was used to assess homoscedasticity and data were submitted to one-factor Analysis of Variance (ANOVA) and Tukey’s test (p <0.05). Result The color change observed in group 1 (5.76 ± 2.74)A was not statistically different from group 2 (8.83 ±5.11)A, which was immersed in coffee solution immediately after tooth bleaching, and from group 3, which was immersed in coffee solution four hours after tooth bleaching (8.20 ±3.71)A. Conclusion Coffee did not interfere with the tooth bleaching results, regardless of the time after the procedure. Hence, diet restrictions are not necessary during tooth bleaching.
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Efficacy of Mouthwashes Containing Hydrogen Peroxide on Tooth Whitening. ScientificWorldJournal 2015; 2015:961403. [PMID: 26295061 PMCID: PMC4534617 DOI: 10.1155/2015/961403] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Revised: 07/15/2015] [Accepted: 07/21/2015] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to analyze the efficacy of mouthwashes containing hydrogen peroxide compared with 10% carbamide peroxide (CP) gel. Fifty enamel-dentin samples were obtained from bovine incisors and then stained in a tea solution. The stained samples were randomly divided into five groups according to the whitening product applied (n = 10): AS: no whitening (negative control), with the samples stored in artificial saliva; CR: Crest 3D White mouthwash; LS: Listerine Whitening mouthwash; SC: Scope White mouthwash; and OP group: 10% CP Opalescence PF (positive control). Color measurements were carried out with a spectrophotometer before staining, after staining, and on the 7th, 28th, and 56th day of the whitening period. The data were analyzed using two-way analysis of variance followed by a Tukey post hoc test. The color change (ΔE) was significantly greater in all the groups compared to that of the AS group. After 56 days, no significant differences were found among the mouthwash products with respect to color change (P > 0.05). The whiteness of the teeth treated with the mouthwashes increased significantly over time. Nevertheless, the color change achieved with the mouthwashes was significantly lower than that achieved with the 10% CP at-home bleaching gel.
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