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Abuljadayel R, Hashem N, Almaddah Y, Bakhsh TA. Effect of cigarettes smoke on bonded polymeric restorations: OCT study. Heliyon 2023; 9:e13240. [PMID: 36798757 PMCID: PMC9925970 DOI: 10.1016/j.heliyon.2023.e13240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 01/02/2023] [Accepted: 01/22/2023] [Indexed: 01/29/2023] Open
Abstract
Background Up to date, the effect of cigarette smoke (CS) on the adhesive properties of the restorative materials bonded to tooth structure is still unclear. It is still questionable if it interferes with the durability and clinical success of these restorations. Few numbers of studies reported the assessment of microgaps of dental composite using cross-polarization optical coherence tomography (CP-OCT). The aim of this study was to evaluate the presence of interfacial microgaps between composite resin restoration and the tooth structure with or without exposure to CS under the CP-OCT. Materials and methods In this in-vitro study, a standardized round class-V cavities were prepared in twenty extracted, caries-free human molar teeth, and they were divided randomly into two groups (n = 10). Adhesive system (Gluma universal, Kulzer GmbH) was applied followed by filing the prepared cavities with flowable composite restoration (Charisma, Kulzer GmbH). Then, exposure to CS (40 cigarettes/day) was carried out for 14 days and the samples were stored in normal saline solution after each smoke exposure cycle. Next, all samples were immersed in ammoniac silver nitrate for 24 h, followed by immersion in a photo-developing solution for 8 h. Optical comparison was carried out by CP-OCT to assess microgaps percentage between smoke (SG) and non-smoke groups (NSG) at the axial walls (AW) and cavity floor (CF). Results Independent T-test showed that there was a significant difference between the two groups (SG, NSG) in AW microgaps percentage (p = 0.008), while there was no difference in CF (p = 0.15). Conclusion It can be inferred from the current finding that OCT can be used to predict the adaptability of the bonded restoration under the thermochemical influence. CS has a negative effect on the marginal integrity of the bonded polymeric restorations.
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Affiliation(s)
- Roaa Abuljadayel
- Restorative Dentistry Department, Faculty of Dentistry, King Abdulaziz University, Jeddah 21381, Saudi Arabia
| | - Naif Hashem
- Faculty of Dentistry, King Abdulaziz University, Jeddah 21381, Saudi Arabia
| | - Yousef Almaddah
- Faculty of Dentistry, King Abdulaziz University, Jeddah 21381, Saudi Arabia
| | - Turki A. Bakhsh
- Restorative Dentistry Department, Faculty of Dentistry, King Abdulaziz University, Jeddah 21381, Saudi Arabia,Cariology and Operative Dentistry, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan,Corresponding author. Restorative Dentistry Department, Faculty of Dentistry, King Abdulaziz University, P.O. Box 80209, Jeddah 215-89, Saudi Arabia.
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Watts J, Jayawardena DS, Ahmed R, Cunliffe J, Darcey J. Considerations for restorative dentistry secondary care referrals - part 2: predictability of treatment. Br Dent J 2022; 233:101-108. [DOI: 10.1038/s41415-022-4446-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 02/17/2022] [Indexed: 11/09/2022]
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Kury M, Rueggeberg FA, Soto-Montero JR, André CB, Resende BA, Giannini M, Cavalli V. Characterization and effectiveness of a violet LED light for in-office whitening. Clin Oral Investig 2022; 26:3899-3910. [PMID: 35006294 DOI: 10.1007/s00784-021-04357-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 12/29/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVES This study characterized a violet LED light (V-LED; bright max whitening) tooth whitening device and evaluated its efficacy on stained enamel compared to hydrogen peroxide (HP). MATERIALS AND METHODS Characterization of the V-LED beam profile was performed using a laser beam-profiler. The irradiance was measured throughout an exposure cycle at 0- and 8-mm distances using an integrating sphere and a spectral radiometer. Bovine enamel/dentin blocks stained with black tea (BT), cigarette smoke (CS), or without staining (CONT) were subjected to V-LED or 40% HP (n = 10/group). Color parameters (ΔL, Δa, Δb, and ΔE00) were measured using a digital spectrophotometer. Light transmission was estimated through 1-mm-thick bovine enamel slices (n = 5). ΔL, Δb, ΔE00, and irradiance were analyzed by two-way ANOVAs and Tukey's tests, Δa by Kruskal-Wallis and Mann-Whitney tests, and light transmission by t-test (α = 5%). RESULTS Heterogeneous beam distribution was observed for the emitting V-LED chips. After 20 sequential exposures, irradiance levels were reduced 25-50%, regardless of the distance from V-LED. Localized irradiance values were statistically different between beam locations and different distances from the target. V-LED produced lower ΔE00, ΔL, Δa, and Δb values than HP for CONT and BT, with no differences for CS. Light transmittance decreased approximately 98% through 1-mm thick enamel. CONCLUSIONS V-LED irradiance was heterogeneous and decreased throughout the exposure cycles and was also greatly reduced with increasing tip distance. V-LED produced a significantly lower whitening effect on BT and control teeth. CLINICAL RELEVANCE This study contributes to the knowledge of V-LED and its clinical use.
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Affiliation(s)
- Matheus Kury
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, 901 Limeira Avenue, Areião, Piracicaba, SP, 13414-903, Brazil
| | - Frederick A Rueggeberg
- Department of Restorative Sciences, Dental College of Georgia, Augusta University, Augusta, GA, USA
| | - Jorge R Soto-Montero
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, 901 Limeira Avenue, Areião, Piracicaba, SP, 13414-903, Brazil.,Department of Restorative Dentistry, Dental School, Universidad de Costa Rica, San José, SP, Costa Rica
| | - Carolina B André
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, 901 Limeira Avenue, Areião, Piracicaba, SP, 13414-903, Brazil.,Department of Restorative Dentistry, Dental School, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Bruna A Resende
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, 901 Limeira Avenue, Areião, Piracicaba, SP, 13414-903, Brazil
| | - Marcelo Giannini
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, 901 Limeira Avenue, Areião, Piracicaba, SP, 13414-903, Brazil
| | - Vanessa Cavalli
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, 901 Limeira Avenue, Areião, Piracicaba, SP, 13414-903, Brazil.
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Kobayashi RS, Picolo MZD, Kury M, Resende BDA, Esteban Florez FL, Cavalli V. Effects of dental bleaching protocols with violet radiation on the color and chemical composition of stained bovine enamel. Photodiagnosis Photodyn Ther 2021; 34:102194. [PMID: 33513440 DOI: 10.1016/j.pdpdt.2021.102194] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 01/15/2021] [Accepted: 01/20/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVES To evaluate the bleaching efficacy of a violet radiation (VR) combined or not with bleaching gels on the color and mineral content of stained teeth. MATERIAL AND METHODS Enamel/dentin blocks were obtained and stained (n = 50) with coffee, red wine, tobacco smoke, or were left non-stained. The stained or not-stained blocks (n = 10) were distributed into five bleaching groups (n = 10): VR, CP (37 % carbamide peroxide), VR/CP, HP (35 % hydrogen peroxide), and VR/HP. Color (ΔE00, ΔL, Δa, and Δb) and whiteness index (ΔWID) changes were evaluated after staining and after bleaching using a spectrophotometer. Calcium (Ca), phosphorous (P), and Ca/P contents (in wt%) were measured after bleaching using energy-dispersive X-ray spectroscopy (EDS). Data was statistically analyzed (α = 0.05) using two-way ANOVA and Tukey tests (ΔE00, ΔWID, ΔL, Δb, wt%) or Kruskal-Wallis and Dunn tests (Δa). RESULTS VR alone caused higher colorimetric changes on coffee, tobacco and red wine-stained groups compared to non-stained enamel (p < 0.05). VR/CP exhibited higher colorimetric changes compared to CP in coffee and non-stained groups. The VR/CP, HP and VR/HP groups exhibited no change differences (p > 0.05). No differences were observed for the wt% of Ca, P and Ca/P between the groups. CONCLUSIONS The violet radiation was more effective in bleaching stained rather than non-stained teeth. VR combined with 37 % carbamide peroxide was as effective as the HP agent. Besides, no adverse effects could be observed in the enamel mineral content, regardless of the bleaching protocol tested, according to the EDS semi-quantitative analysis.
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Affiliation(s)
- Roberta Soares Kobayashi
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
| | - Mayara Zaghi Dal Picolo
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
| | - Matheus Kury
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
| | - Bruna de Almeida Resende
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
| | - Fernando Luis Esteban Florez
- The University of Oklahoma Health Sciences Center, Department of Restorative Sciences, Division of Dental Biomaterials, College of Dentistry, Oklahoma City, OK, United States.
| | - Vanessa Cavalli
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, SP, Brazil.
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Pintado-Palomino K, de Almeida CVVB, Oliveira-Santos C, Pires-de-Souza FP, Tirapelli C. The effect of electronic cigarettes on dental enamel color. J ESTHET RESTOR DENT 2018; 31:160-165. [PMID: 30367714 DOI: 10.1111/jerd.12436] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 08/03/2018] [Accepted: 09/11/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The use of electronic cigarettes (ECIGs) has recently increased as an alternative to conventional smoking tobacco products. The literature is scarce on the effects of ECIGs on dental and oral structures. Therefore, the objective of this study was to observe whether ECIG aerosol could alter the color of dental enamel. MATERIALS AND METHODS Sixty-three bovine enamel specimens were randomly separated into groups (n = 7) and treated with aerosols with different e-liquid flavors (neutral, menthol, and tobacco) and nicotine content (0, 12, and 18 mg). The initial color assessment was performed using a spectrophotometer (Easy Shade-Vita). Dental enamel was exposed to 20 cycles of ECIG aerosol in a smoking machine, and the final color was measured. The color change was evaluated using ΔEab, ΔE00, and Whiteness Index (WID ) formulae. Differences in L* a* b* coordinates were calculated, and data were analyzed (two-way ANOVA, uncorrected Fisher's LSD post hoc test, α = 0.05). RESULTS Luminosity (ΔL) was reduced by aerosols with almost all levels of nicotine content and neutral and menthol flavors. Flavored e-liquids caused more color change (P < .05) according to ΔEab and ΔE00. ΔE values from both formulae exceeded the thresholds for perceptible visual alterations of color. WID increased after ECIGs exposure for menthol and tobacco and decreased for neutral flavors. CONCLUSIONS ECIG aerosol from e-liquids with different nicotine contents and flavors altered enamel color. Menthol and tobacco e-liquids may alter the enamel color decreasing the yellowness of the enamel compared to neutral e-liquid. CLINICAL SIGNIFICANCE Electronic cigarettes can cause perceptible changes in tooth color, altering dental esthetics.
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Affiliation(s)
- Karen Pintado-Palomino
- Department of Dental Materials and Prosthodontics, School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
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