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Influence of Dentin Priming with Tannin-Rich Plant Extracts on the Longevity of Bonded Composite Restorations

Scientific World Journal 2021年第1期2021卷 1614643页

作者： Polassi, Mackeler Ramos Oliveira, Thales De Sá Carvalho, Ana Calheiros De Medeiros, Lívia Soman De Medeiros Veiga, Thiago André Moura Graeff, Carlos Frederico De Oliveira González, Alejandra Hortencia Miranda Marcucci, Maria Cristina Grecco, Simone Dos Santos Dalpino, Paulo Henrique Perlatti Universidade Anhanguera de São Paulo São Paulo Brazil Department of Chemistry Universidade Federal de São Paulo SP Diadema Brazil São Paulo State University (UNESP) School of Sciences POSMAT - Post-Graduate Program in Materials Science and Technology SP Bauru Brazil Triplet Biotechnology Solutions São Paulo Brazil Science and Technology Institute Universidade Estadual Paulista - UNESP SP São José dos Campos Brazil

Objective. This in vitro study evaluated the influence of bioactive plant extracts as dentin biomodifying agents to improve the longevity of bonded restorations. For that, plant extracts were applied to the dentin surface prior to the adhesive system. Materials and Methods. Bovine incisors were ground flat to obtain 2 mm thick slices in which conical preparations were made (N = 10). Tannin-containing plant extracts were applied to dentin before the application of the restorative system, as follows: control group (untreated, CTL), chlorhexidine 0.12% (CHX), mastruz (Dysphania ambrosioides, MTZ), cat's claw (Uncaria tomentosa, CTC), guarana (Paullinia cupana, GUA), galla chinensis (Rhus chinensis, GCH), and tannic acid (extracted from Acacia decurrens, TNA). The push-out bond strength test was conducted (0.5 mm/min). Dentin biomodification was assessed by the modulus of elasticity and mass change in bovine tooth sections (0.5 × 1.7 × 7.0 mm). The dentin staining after extract treatments of dentin slices was compared. The dentin surface wettability was also evaluated by means of the contact angles of the adhesive system with the dentin surface and compared with the untreated control group. Data were subjected to ANOVA/Tukey's test (α = 0.05). Results. The bond strength of the restoratives to dentin was not significantly improved by the plant extracts, irrespective of the evaluation time (p>0.05). Except for TNA, the elastic modulus of demineralized dentin significantly reduced after treatment with the plant extracts (p<0.05). The dentin staining correlated with the tannin content of the extracts. The contact angle was significantly reduced when treated with CTC, GCH, and TNA. Conclusions. The tannin-containing extracts had a questionable effect on the longevity of bonded restorations. The dentin modulus was negatively affected by the extract treatments. Although some of the extracts changed the contact angle, which seems to improve the adhesive monomer permeation, the

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Retraction notice to "Gene expression profiling in liver of zebrafish exposed to ethylhexyl methoxycinnamate and its photoproducts" [Sci. Total Environ. 826 (2022) 154046]

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The science of the total environment 2024年 957卷 177655页

作者： Bojan Nataraj Kannan Maharajan Guilherme Malafaia Devan Hemalatha Mohamed Ahmed Ibrahim Ahmed Mathan Ramesh Unit of Toxicology Department of Zoology School of Life Sciences Bharathiar University Coimbatore 641046 India. Unit of Toxicology Department of Zoology School of Life Sciences Bharathiar University Coimbatore 641046 India Biology Institute Qilu University of Technology (Shandong Academy of Sciences) 28789 East Jingshi Road Jinan 250103 Shandong Province PR China. Post-Graduation Program in Environmental Sciences Federal University of Goiás Goiânia GO Brazil Post-Graduation Program in Ecology Conservation and Biodiversity Federal University of Uberlândia Uberlândia MG Brazil Post-Graduation Program in Biotechnology and Biodiversity Federal University of Goiás Goiânia GO Brazil. Department of Zoology PSG College of Arts & Science Coimbatore Tamil Nadu 641014 India. Plant Protection Department Faculty of Agriculture Assiut University Assiut 71526 Egypt.

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Frailty in chronic myeloid leukemia: evidence from 2016–2018 Nationwide Inpatient Sample of the US

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BMC Geriatrics 2023年第1期23卷 334-334页

作者： Huan-Tze, Lin Yun-Ru, Liu Kuan-Der, Lee Huey-En, Tzeng Department of Internal Medicine Division of Hematology and Oncology Taipei Medical University Hospital Taipei Taiwan Joint Biobank Office of Human Research Taipei Medical University Taipei Taiwan Department of Medical Research Taichung Veterans General Hospital 1650 Boulevard Sect. 4 Taichung City 40705 Taiwan Department of Medicine Division of Hematology/Medical Oncology Taichung Veterans General Hospital Taichung City Taiwan Ph.D. Program for Cancer Molecular Biology and Drug Discovery and Graduate Institute of Cancer Biology and Drug Discovery College of Medical Science and Technology Taipei Medical University Taipei Taiwan Department of Post-Baccalaureate Medicine College of Medicine National Chung Hsing University Taichung Taiwan

Background: Frailty is a marker of poor prognosis in older adults with hematologic malignancies and contributes to the severe vulnerability of the aging population to adverse health outcomes. This study aimed to deter... 详细信息

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MiR34 contributes to spinal muscular atrophy and AAV9-mediated delivery of MiR34a ameliorates the motor deficits in SMA mice

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Molecular therapy. Nucleic acids 2023年 32卷 144-160页

作者： Tai-Heng Chen Shih-Hsin Chang Yu-Fu Wu Ya-Ping Yen Fang-Yu Hsu Yen-Chung Chen Yang Ming Ho-Chiang Hsu Yi-Ching Su Sheng-Tang Wong Jui-Hung Hung Shih-Hwa Chiou Yuh-Jyh Jong Jun-An Chen PhD Program in Translational Medicine Kaohsiung Medical University Kaohsiung 80708 and Academia Sinica Taipei 11529 Taiwan. Institute of Molecular Biology Academia Sinica Taipei 11529 Taiwan. Department of Pediatrics Kaohsiung Medical University Kaohsiung 80708 Taiwan. School of Post-Baccalaureate Medicine Kaohsiung Medical University Kaohsiung 80708 Taiwan. Neuroscience Program of Academia Sinica Academia Sinica Taipei 11529 Taiwan. Department of Computer Science National Yang Ming Chiao Tung University Hsinchu 30093 Taiwan. Institute of Pharmacology School of Medicine National Yang Ming Chiao Tung University Taipei 11221 Taiwan. Innovative Cellular Therapy Center Department of Medical Research Taipei Veterans General Hospital Taipei 11217 Taiwan. Department of Laboratory Medicine Kaohsiung Medical University Kaohsiung 80708 Taiwan. Translational Research Center of Neuromuscular Diseases Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung 80708 Taiwan. Graduate Institute of Clinical Medicine College of Medicine Kaohsiung Medical University Kaohsiung 80708 Taiwan. Drug Development and Value Creation Research Center Kaohsiung Medical University Kaohsiung 80708 Taiwan. Department of Biological Science and Technology National Yang Ming Chiao Tung University Hsinchu 30093 Taiwan.

Spinal muscular atrophy (SMA) is a neurodegenerative disease characterized by the selective loss of spinal motor neurons (MNs) and concomitant muscle weakness. Mutation of is known to cause SMA, and restoring SMN pro... 详细信息

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Evaluation of Pollution Sources of Zinc in Tokyo Bay Based on Zinc Isotope Ratio in Sediment Core

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Journal of Geoscience and Environment Protection 2019年第8期7卷 141-154页

作者： Masahiro Sakata Shohei Okuizumi Asami Suzuki Mashio Takeshi Ohno Shuhei Sakata Graduate Program in Environmental Health Sciences University of Shizuoka Shizuoka Japan Graduate School of Natural Science and Technology Kanazawa University Kanazawa Japan Department of Chemistry Faculty of Science Gakushuin University Tokyo Japan

This study evaluated the sources of Zn pollution in Tokyo Bay, Japan, on the basis of δ66Zn in a sediment core. The Zn concentration in sediments in the 1980s-2000s was considerably higher than the background concent... 详细信息

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