Journal of Esthetic and Restorative Dentistry最新文献

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Digital Analysis of Dentogingival Factors Influencing the Gingival Margin Position in the Esthetic Zone. 影响美观区龈缘位置的牙龈因素的数字分析。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-08 DOI: 10.1111/jerd.13407
Hesham H Abdulkarim, Bryan Habet, Alexander G Ahmadi, Mary Ying-Fang Wang, Elio Reyes Rosales, D Douglas Miley
{"title":"Digital Analysis of Dentogingival Factors Influencing the Gingival Margin Position in the Esthetic Zone.","authors":"Hesham H Abdulkarim, Bryan Habet, Alexander G Ahmadi, Mary Ying-Fang Wang, Elio Reyes Rosales, D Douglas Miley","doi":"10.1111/jerd.13407","DOIUrl":"https://doi.org/10.1111/jerd.13407","url":null,"abstract":"<p><strong>Objectives: </strong>To investigate the correlation between gingival thickness (GT) and buccal bone thickness (BBT), as well as the effects of GT, BBT, bone crest level (BC), and tooth position on the buccal gingival margin location of maxillary teeth in the esthetic zone.</p><p><strong>Materials and methods: </strong>Periodontally healthy subjects with prior cone beam computed tomography and intraoral scans for dental implant planning were included. The hard and soft tissue measurements were retrospectively analyzed digitally. Pearson's correlation and ANOVA were used to evaluate the correlations between clinical/anatomical crown height ratios (CCH/ACH), gingival and buccal bone thicknesses, and the distance between the CEJ and BC (CEJ-BC).</p><p><strong>Results: </strong>Forty-two subjects with 252 teeth were analyzed. A positive correlation was found between GT and BBT (p < 0.001). GT and BBT were negatively correlated with CCH/ACH (p = 0.006 and p = 0.004, respectively), while CCH/ACH showed a positive correlation with CEJ-BC (p < 0.001).</p><p><strong>Conclusions: </strong>Within the limitations of our study, we concluded that gingival and buccal bone thicknesses were positively correlated. A thicker gingival phenotype and higher coronal bone crest were linked to a more coronal gingival margin in the esthetic zone.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142950187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Masking Ability of Subtractively and Additively Manufactured Dental Ceramic Restorations: A Systematic Review. 减法和加法制造牙科陶瓷修复体的掩蔽能力:系统综述。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-08 DOI: 10.1111/jerd.13406
Karen Du, Teuila Muao, Polina Plaksina, Sharon Tsz-Han Hung, Andrew B Cameron, Joanne Jung Eun Choi
{"title":"Masking Ability of Subtractively and Additively Manufactured Dental Ceramic Restorations: A Systematic Review.","authors":"Karen Du, Teuila Muao, Polina Plaksina, Sharon Tsz-Han Hung, Andrew B Cameron, Joanne Jung Eun Choi","doi":"10.1111/jerd.13406","DOIUrl":"https://doi.org/10.1111/jerd.13406","url":null,"abstract":"<p><strong>Objective: </strong>To conduct a systematic review on the masking ability of subtractively and additively manufactured dental ceramics.</p><p><strong>Materials and methods: </strong>The study followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. The electronic search was carried out through MEDLINE, Scopus, and Website of Science databases with a date restriction being from 2001 onwards. Publications in English, in vitro studies, and studies regarding the evaluation of the masking ability of crown materials that were subtractively and additively manufactured were included.</p><p><strong>Results: </strong>Out of 619 eligible articles, 13 were included. A thickness of 1.5 mm for lithium disilicate (LD) resulted in a dramatic decrease in ∆E<sub>ab</sub>/∆E<sub>00</sub> across all substrates compared to a 1 mm thickness. Low-translucent LD appeared to have the best masking ability regardless of the shade of the try-in paste. Layering flowable composite over the substrates improved masking ability. Darker substrates were the hardest to mask no matter the type of restorative material, try-in paste used, and layering technique. Bilayered restorative materials proved to be superior to monolithic materials regarding masking ability.</p><p><strong>Conclusion: </strong>Increasing the thickness of subtractively manufactured ceramics materials improves the masking ability. 1.5 mm thickness is found to provide the best masking ability for most ceramic materials. Darker substrates prove to be difficult to mask in comparison to lighter substrates and require either thicker materials and/or more opaque cements. Bilayered crowns are recommended for achieving optimal masking while preserving tooth structure. Despite the increasing demand, there is no study available on 3D-printed (additively manufactured) restoration's masking ability.</p><p><strong>Clinical significance: </strong>This review provides a comparison of masking abilities of multiple subtractively manufactured ceramic materials and highlight the lack of current knowledge on additively manufactured crown materials. It also emphasizes the importance of having a universal approach to interpreting and communicating color changes between collaborative dental professionals to ensure the same shade predictions. In addition, when masking darker shades, clinicians should be aware that alternative material choice or clinical and technical procedures are essential.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142950188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Does Cigarette Smoke Affect Permanent Resin-Based Crown Materials? 香烟烟雾会影响永久性树脂基牙冠材料吗?
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-06 DOI: 10.1111/jerd.13403
Ezgi Sonkaya, Koray Soygun, Öykü Ceren Kahraman
{"title":"Does Cigarette Smoke Affect Permanent Resin-Based Crown Materials?","authors":"Ezgi Sonkaya, Koray Soygun, Öykü Ceren Kahraman","doi":"10.1111/jerd.13403","DOIUrl":"https://doi.org/10.1111/jerd.13403","url":null,"abstract":"<p><strong>Objective: </strong>The purpose of this study was to investigate how cigarette smoking affects the surface roughness (R<sub>a</sub>) and stainability of additively and subtractively manufactured resins.</p><p><strong>Materials and methods: </strong>Two additively manufactured definitive resins (Dentafab, DF and Formlabs, FL) and a subtractively manufactured resin nanoceramic (Cerasmart, CS) were used to fabricate 60 specimens (14 × 12 × 1 mm). After taking baseline R<sub>a</sub> and color measurements (ΔE<sub>00</sub>), they were divided into two groups (n = 10). Using a programmable cigarette smoking simulation device, the study groups smoked 10 cigarettes a day for 30 days. The control groups were kept in artificial saliva for 30 days. The R<sub>a</sub> and ΔE<sub>00</sub> were performed again. Scanning electron microscope images were taken. Kruskal-Wallis test, Mann-Whitney U, Bonferroni, and Wilcoxon Signed Rank tests were used for statistical analyses (α = 0.05).</p><p><strong>Result: </strong>Significantly less discoloration was observed in the FL group compared with the other groups (p < 0.001). The R<sub>a</sub> of the DF study groups was statistically significantly higher than the control groups (p = 0.005).</p><p><strong>Conclusion: </strong>All the tested materials had moderately unacceptable color change when previously reported threshold values were considered. There was not found to be any linear correlation between the R<sub>a</sub> of materials and smoking-induced discoloration.</p><p><strong>Clinical significance: </strong>The discoloration and surface roughness of three-dimensional (3D)-produced SLA definitive resin because of smoking are at acceptable levels. Optimized physical and chemical properties of definitive resins are clinically important to extend the life of the restoration. The application of 3D definitive resin can be recommended in clinical practice.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immediate Pre-Endodontic Dentin Sealing (IPDS) Improves Resin-Dentin Bond Strength. 即刻牙髓前牙本质密封(IPDS)提高树脂-牙本质结合强度。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-06 DOI: 10.1111/jerd.13395
Marco A Carvalho, Priscilla C Lazari-Carvalho, Paulo E T Maffra, Thábata F Izelli, Marco Gresnigt, Carlos Estrela, Pascal Magne
{"title":"Immediate Pre-Endodontic Dentin Sealing (IPDS) Improves Resin-Dentin Bond Strength.","authors":"Marco A Carvalho, Priscilla C Lazari-Carvalho, Paulo E T Maffra, Thábata F Izelli, Marco Gresnigt, Carlos Estrela, Pascal Magne","doi":"10.1111/jerd.13395","DOIUrl":"https://doi.org/10.1111/jerd.13395","url":null,"abstract":"<p><strong>Objective: </strong>Chemicals used during canal disinfection and endodontic sealers have a deleterious effect on dentin bond strength. The aim of this study was to evaluate a novel clinical sequence to improve the resin-dentin microtensile bond strength (μTBS) to endodontically treated teeth.</p><p><strong>Materials and methods: </strong>Twenty human molars were distributed in four experimental groups (n = 5, N = 20): C-control group without exposure to any endodontic chemical substances (2.5% sodium hypochlorite, 17% EDTA and endodontic cement); LDh-late dentin hybridization (Dh) with Dh at the time of final restoration, after exposure to chemical substances; IPDS-immediate pre-endodontic dentin sealing, with Dh before exposure to chemical substances; and PLDh-late Dh after exposure to chemical substances and after dentin repreparation with ultrasonic diamond tip. Teeth were restored with resin composite and the microtensile test was performed after 24 h.</p><p><strong>Results: </strong>The highest bond strength values were found in the PLDh, IPDS, and C groups, without statistically significant differences among them. The lowest value was found in the LDh group. The LDh group presented a decrease of 70% when compared with the control group.</p><p><strong>Conclusion: </strong>The resin-dentin microtensile bond strength was significantly improved by dentin hybridization before exposure to chemicals used during endodontics. Otherwise, substantial dentin repreparation is necessary to restore the bond strength after this exposure.</p><p><strong>Clinical significance: </strong>Early dentin hybridization (IPDS) before endodontic treatment not only improves the microtensile bond strength to dentin but also omitting this procedure would require significant repreparation of the exposed dentin after endodontic treatment to restore the bond strength. Hence, it allows the preservation of healthy tooth structure (no need for repreparation), as well as the reinforcement of weakened cusps and improvement of isolation (if combined with deep margin elevation, when necessary).</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Substituting the Conventional Facebow With an Extraoral Scan Body System for Transferring the Maxillary Cast Into the Virtual Articulator: Manufacturing Procedures and Digital Clinical Protocol. 用口外扫描体系统代替传统的脸弓将上颌铸造体转移到虚拟关节器:制造程序和数字临床方案。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-06 DOI: 10.1111/jerd.13399
Marta Revilla-León, Jonathan M Zeitler, John C Kois
{"title":"Substituting the Conventional Facebow With an Extraoral Scan Body System for Transferring the Maxillary Cast Into the Virtual Articulator: Manufacturing Procedures and Digital Clinical Protocol.","authors":"Marta Revilla-León, Jonathan M Zeitler, John C Kois","doi":"10.1111/jerd.13399","DOIUrl":"https://doi.org/10.1111/jerd.13399","url":null,"abstract":"<p><strong>Clinical considerations: </strong>Conventional facebow records are used to transfer the maxillary cast into the analog articulator. Different reference planes have been described, including the true horizontal or gravity reference plane. A conventional facebow (Kois Dentofacial Analyzer; Panadent) allows the recording of the gravity plane for transferring the maxillary cast into the analog semi-adjustable articulator. Clinical procedures should also allow the maxillary scan transfer into the virtual articulator by using the true horizontal reference plane.</p><p><strong>Objective: </strong>The present manuscript describes the step-by-step protocol to record the gravity plane and to transfer the maxillary scan into the virtual articulator by using an extraoral scan body system.</p><p><strong>Conclusions: </strong>The extroral scan body device enables the substitution of the conventional facebow procedure. Additionally, this extraoral scan body is fabricated by using additive manufacturing technologies and eases the complete digital workflow for transferring the maxillary scan into the virtual articulator.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Influence of Surface Treatment on the Color of Enamel and Dentin: An In Vitro Study Using Machine Learning-Based Analysis. 表面处理对牙釉质和牙本质颜色的影响:基于机器学习分析的体外研究。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-06 DOI: 10.1111/jerd.13404
Zhen-Yu Wang, Fei-Yu Hu, Chao-Qiang Wu, Fei Liu, Du Chen, Jun-Fei Shen, Jie-Fei Shen
{"title":"The Influence of Surface Treatment on the Color of Enamel and Dentin: An In Vitro Study Using Machine Learning-Based Analysis.","authors":"Zhen-Yu Wang, Fei-Yu Hu, Chao-Qiang Wu, Fei Liu, Du Chen, Jun-Fei Shen, Jie-Fei Shen","doi":"10.1111/jerd.13404","DOIUrl":"https://doi.org/10.1111/jerd.13404","url":null,"abstract":"<p><strong>Objective: </strong>To investigate how surface treatment affects the color of enamel and dentin, and to evaluate whether the color differences are acceptable.</p><p><strong>Materials and methods: </strong>Freshly extracted premolars were prepared using diamond burs (blue, red, and yellow tapes). Tooth surfaces were divided into control and acid-etched areas and treated with phosphoric acid (5, 15, 30, 45, and 60 s). Adhesives were applied and light-cured. Hyperspectral images were captured to analyze reflectance spectra, calculating L, a, b, and ΔE2000 values under the D65 illuminant. Enamel and dentin slices underwent atomic force microscopy for surface roughness. A random forest model was trained to assess the effects of multiple factors on color differences. Statistical analyses included one-way ANOVA, Tukey tests, and independent-sample t-test.</p><p><strong>Results: </strong>Extended acid-etching times notably increased ΔE2000 values for enamel, surpassing acceptable thresholds in all groups except for the 5-s acid-etching followed by adhesive application. Dentin ΔE2000 remained stable regardless of surface treatment. Machine learning highlighted the influence of acid etching and surface roughness on enamel. Bur tape color had minimal impact.</p><p><strong>Conclusions: </strong>The effects of acid etching on the color vary between enamel and dentin. Greater attention should be focused on enamel surface. Acid-etching time should be appropriately reduced.</p><p><strong>Clinical significance: </strong>Comprehending the varying impacts of surface treatment on the color of enamel and dentin could contribute to achieving superior esthetic outcomes.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association of Gingival Thickness With Incisor Morphological Characteristics and Papilla Height: A Cross-Sectional Study. 牙龈厚度与切牙形态特征和乳头高度的关系:一项横断面研究。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-06 DOI: 10.1111/jerd.13402
G Koukos, E Kyriakou, G A Malamoudi, R J Wierichs, N Pandis, D Kloukos
{"title":"Association of Gingival Thickness With Incisor Morphological Characteristics and Papilla Height: A Cross-Sectional Study.","authors":"G Koukos, E Kyriakou, G A Malamoudi, R J Wierichs, N Pandis, D Kloukos","doi":"10.1111/jerd.13402","DOIUrl":"https://doi.org/10.1111/jerd.13402","url":null,"abstract":"<p><strong>Objective: </strong>The aim of the current study was to examine possible associations between gingival thickness and other parameters, such as crown length and width, papilla height and patient's age and gender.</p><p><strong>Overview: </strong>This cross-sectional study included 238 consecutive white Caucasian consecutive patients in all stages of orthodontic treatment (before, in-course, and after orthodontic treatment). Measurements of gingival thickness were carried out at both central mandibular incisors, mid-facially on the buccal aspect of each tooth, and 2 mm apically to the free gingival margin, with an Ultrasound device. Each patient was scanned with an intraoral 3D scanner before gingival thickness evaluation, where papilla height, and central mandibular and maxillary incisor crown length and width were measured.</p><p><strong>Conclusions: </strong>Significant (positive) association between gingiva thickness and patient's age and gender were found, with thicker gingiva being observed in older individuals and males. However, no significant association were found between gingival thickness and crown length, crown width, or papilla height.</p><p><strong>Clinical significance: </strong>Variations in soft and hard tissue architecture significantly impact the long-term aesthetic outcomes of periodontal therapy, prosthetic and implant restorations, and root coverage treatments. Accurately assessing gingival biotype phenotype during treatment planning is critical to prevent complications, particularly in aesthetically sensitive areas.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Color Change and Cytotoxic Effects of a Bleaching Gel With 22% Carbamide Peroxide Catalyzed by Manganese Oxide. 氧化锰催化22%过氧化脲漂白凝胶的颜色变化及细胞毒作用。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2025-01-04 DOI: 10.1111/jerd.13401
Rafael Antonio de Oliveira Ribeiro, Victória Peruchi, Leonardo Novaes Gaeta Sônego, Igor Paulino Mendes Soares, Diana Gabriela Soares, Josimeri Hebling, Carlos Alberto de Souza Costa
{"title":"Color Change and Cytotoxic Effects of a Bleaching Gel With 22% Carbamide Peroxide Catalyzed by Manganese Oxide.","authors":"Rafael Antonio de Oliveira Ribeiro, Victória Peruchi, Leonardo Novaes Gaeta Sônego, Igor Paulino Mendes Soares, Diana Gabriela Soares, Josimeri Hebling, Carlos Alberto de Souza Costa","doi":"10.1111/jerd.13401","DOIUrl":"https://doi.org/10.1111/jerd.13401","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate the color change and trans-amelodentinal cytotoxicity of a 22% carbamide peroxide (CP) bleaching gel containing different concentration of manganese oxide (MnO<sub>2</sub>).</p><p><strong>Material and methods: </strong>Enamel/dentin discs adapted to artificial pulp chambers were distributed according to treatments: CN-No treatment; CP22%-22%CP; CP22 + 2MnO<sub>2</sub>-22%CP + 2 mg/mLMnO<sub>2</sub>; CP22% + 6MnO<sub>2</sub>-22%CP + 6 mg/mLMnO<sub>2</sub>; CP22% + 10MnO<sub>2</sub>-22%CP + 10 mg/mLMnO<sub>2</sub> applied for 2 h for 15 days. Color change-CC (ΔE<sub>00</sub> and ΔWI<sub>D</sub>) (n = 8) was determined at 5, 10, and 15-day periods (ANOVA/Sidak). Trans-amelodentinal cytotoxicity (TC) was assessed after applying the extracts to cultured MDPC-23 cells, which were analyzed concerning their viability (Vi) (n = 8) and oxidative stress (OxS) (n = 8). The amount of hydroxyl radical (OH<sup>•</sup>) (n = 4) generated by H<sub>2</sub>O<sub>2</sub> degradation (ANOVA/Sidak), and trans-amelodentinal diffusion of H<sub>2</sub>O<sub>2</sub> (n = 8) (ANOVA/Tukey) were also evaluated.</p><p><strong>Results: </strong>CP22 + 10MnO<sub>2</sub> presented higher CC than CP22 for both evaluated equations in all analysis periods (p ≤ 0.04). Among bleached groups, CP22 + 10MnO<sub>2</sub> presented the highest OH<sup>•</sup> generation (p ≤ 0.02) and the lowest trans-amelodentinal diffusion of H<sub>2</sub>O<sub>2</sub> (p ≤ 0.0004). Therefore, MDPC-23 cells in CP22 + 10MnO<sub>2</sub> exhibited the lowest OxS (p < 0.0001) and consequently the highest Vi (p ≤ 0.0146).</p><p><strong>Conclusion: </strong>Besides increasing the bleaching efficacy, the strategy of adding 10 mg/mL of MnO<sub>2</sub> to a 22%CP bleaching gel also reduces significantly the trans-amelodentinal diffusion of H<sub>2</sub>O<sub>2</sub>, diminishing the cytotoxicity caused by at-home bleaching therapy.</p><p><strong>Clinical significance: </strong>The addition of MnO<sub>2</sub> to a 22% carbamide peroxide bleaching gel improves the color change and reduces the cytotoxicity effects of the product, making at-home bleaching faster and biologically safer.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polymer-Based Toothpastes and Their Ability in Control Tooth Extrinsic Stain. 聚合物基牙膏及其控制牙齿外源性染色的能力。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2024-12-27 DOI: 10.1111/jerd.13389
Raissa Manoel Garcia, Letícia Maria Balbino Rigo, Leonardo Custódio Lima, Leticia Oba Sakae, Vanessa Cavalli, Alessandra Buhler Borges, Taís Scaramucci
{"title":"Polymer-Based Toothpastes and Their Ability in Control Tooth Extrinsic Stain.","authors":"Raissa Manoel Garcia, Letícia Maria Balbino Rigo, Leonardo Custódio Lima, Leticia Oba Sakae, Vanessa Cavalli, Alessandra Buhler Borges, Taís Scaramucci","doi":"10.1111/jerd.13389","DOIUrl":"https://doi.org/10.1111/jerd.13389","url":null,"abstract":"<p><strong>Objectives: </strong>To synthesize experimental toothpastes (ETs) containing four different polymers (sodium linear polyphosphate [LPP]; chitosan [CHI]; sodium hexametaphosphate [HMP]; and sodium pyrophosphate [PP]) and test their ability in preventing and removing tooth extrinsic stain.</p><p><strong>Methods: </strong>The tooth specimens were randomly assigned into six groups (n = 10): control (artificial saliva), regular toothpaste (RT-no whitening claim), ET 5% LPP, ET 0.5% CHI, ET 5% HMP, and ET 5% PP. Each cycle consisted of chlorhexidine (2 min), staining broth (30 min), artificial saliva (30 min), brushing (45 strokes), and artificial saliva (30 min). Color parameters (L*, a*, and b*) were assessed at baseline and after 21 cycles. ΔE<sub>ab</sub>, ΔE<sub>00</sub>, ΔWI<sub>D</sub>, ΔL, Δa, and Δb were analyzed through ANOVA and Tukey test, at a 5% significance level.</p><p><strong>Results: </strong>ET 5% PP showed lower ΔE<sub>ab</sub> and ΔE<sub>00</sub> than the control and RT (p < 0.01). For ΔWI<sub>D</sub>, PP showed a higher value. For ΔL (p = 0.265) and Δb (p = 0.119), there were no significant differences among the groups. For Δa (p = 0.01), ET 5% PP showed a difference with the control.</p><p><strong>Conclusions: </strong>The ETs showed a similar effect in preventing and removing tooth extrinsic stains. However, the sodium pyrophosphate-containing toothpaste was the only one with a superior effect in comparison with RT or brushing without toothpaste.</p><p><strong>Clinical significance: </strong>The use of toothpastes for managing tooth extrinsic stains is a common approach in dentistry. In addition to the abrasives, their effect can be further enhanced by the presence of some polymers. Toothpastes containing sodium pyrophosphate demonstrated a superior ability to control tooth extrinsic stains.</p>","PeriodicalId":15988,"journal":{"name":"Journal of Esthetic and Restorative Dentistry","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142894898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Different Esthetic Assessment of Anterior Restorations by Patient and Expert: A Prospective Clinical Study. 患者和专家对前牙修复体的不同审美评价:一项前瞻性临床研究。
IF 3.2 3区 医学
Journal of Esthetic and Restorative Dentistry Pub Date : 2024-12-26 DOI: 10.1111/jerd.13398
Jonas Lorenz, Carolin Wilhelm, Julia Urich, Paul Weigl, Robert Sader
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