Showing 541 - 560 results of 4,871 for search 'background composition (method OR methods)', query time: 0.21s Refine Results
  1. 541

    Light curing infection control barriers: do some types jeopardize the concept of conventional bulk-fill composites? by Dalia I. Sherief, Mohamed M. Kandil, Dina Ahmed El-Refai

    Published 2024-11-01
    “…Methods Two bulk-fill composites (X-tra fil and Tetric N- ceram) and two ICBs (Pinnacle Cure sleeve and Sanita wrapping film) were used in this study. …”
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    Article
  2. 542

    Evaluation of the Shear Bond Strength of Three Types of Retainer Wires Bonded with a Composite Adhesive: An in vitro Study by N Harish Kumar, Rabindra S. Nayak, Tulip Chakravarty, Annesha K. Konwar, Nirajita Bhaduri, Nunna S. Pratyusha

    Published 2025-06-01
    “…This study evaluates the mechanical properties of different lingual retainer wires combined with composite bonding materials. Materials and Method: Ninety human incisors were divided into three groups, each using different retainer wires: Retainium, Bond-A-Braid, and Custom-Made Ligature wires, bonded with Transbond LR composite. …”
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  3. 543
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  6. 546
  7. 547

    Comparison of Two Types of Composite-Opaquer Combinations Masking Ability for Tooth Discoloration without Clinically Visible Opacity by Hossein Chalakinia, Farideh Darabi, Yasaman Sadeghi, Reza Tayefe Davalloo, Seyedeh Maryam Tavangar, Aidin Sooratgar

    Published 2025-06-01
    “…Background: A few studies have examined the masking ability of the combined application of opaquer and resin composites on tooth discoloration.Purpose: This study investigated the combined application of opaquer-composite to mask discolored backgrounds by utilizing two opaquers and resin composites.Materials and Method: In this in vitro research, we used two composite resins, Vitalescence (Ultradent) and Gradia Direct (GC), and two opaquers: Pink opaque (Cosmedent) and Creative Color A2 (Cosmedent). …”
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  8. 548

    Color discrepancy of single-shade composites at different distances from the interface measured using cell phone images by Márcia Luciana Carregosa Santana, Gabriella de Jesus Santos Livi, André Luis Faria-e-Silva

    Published 2024-02-01
    “…ObjectivesThis study aimed to evaluate the impact of substrate color and interface distance on the color adjustment of 2 single-shade composites, Vittra APS Unique and Charisma Diamond One.Materials and MethodsDual disc-shaped specimens were created using Vittra APS Unique or Charisma Diamond One as the center composite, surrounded by shaded composites (A1 or A3). …”
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  9. 549

    Effect of two-dimensional functional fillers size on the performance of BN/EPDM flexible neutron protection composite materials by ZONG Bo, ZENG Deyang, WANG Kaikai, TANG Wencai, FU Jiajia, CHANG Shuquan, HE Jialin, CHEN Fanglei, LI Ziping, LI Da

    Published 2024-09-01
    “…BackgroundFlexible neutron protection composite materials are of great significance for the protection of special-shaped components and personnel. …”
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  10. 550
  11. 551
  12. 552

    Coconut: covariate-assisted composite null hypothesis testing with applications to replicability analysis of high-throughput experimental data by Yan Li, Yanmei Li, Han Ma, Zitong Yue, Xin Zhang

    Published 2025-07-01
    “…Abstract Background Multiple testing of composite null hypotheses is critical for identifying simultaneous signals across studies. …”
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  13. 553

    The cow GUTBIOME CY study: investigating the composition of the cattle gut microbiome in health and infectious disease transmission in cyprus by Daphne E. Mavrides, Maria Liapi, Despo Ierodiakonou, Christodoulos Pipis, Stavros Malas, Eleni Gentekaki, Anastasios D. Tsaousis

    Published 2024-12-01
    “…However, there are proportionately fewer studies on this complex microbial community in cattle and region-focus studies are non- existent. Methods Herein, we present the research protocol of the GUTBIOME CY project pertaining to determine the composition of the lower gut microbiome in dairy cows situated in 37 farms across five districts of the island of Cyprus. …”
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  14. 554

    The impact of early-life exposures on growth and adult gut microbiome composition is dependent on genetic strain and parent- of- origin by M. Nazmul Huda, Emer Kelly, Keri Barron, Jing Xue, William Valdar, Lisa M. Tarantino, Sarah Schoenrock, Folami Y. Ideraabdullah, Brian J. Bennett

    Published 2025-06-01
    “…Results Our study revealed that early developmental exposure to antibiotics, protein deficiency, and vitamin D deficiency had long-lasting effects on offspring bodyweight and gut microbial diversity and composition, depending on the genetic background. Several bacterial genera and ASVs, including Bacteroides, Muribaculaceae, Akkermansia, and Bifidobacterium, are influenced by developmental insults. …”
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  15. 555
  16. 556

    Diversity and composition of vaginal microbiota of pregnant women at risk for transmitting Group B Streptococcus treated with intrapartum penicillin. by Luiz Fernando Wurdig Roesch, Rita C Silveira, Andréa L Corso, Priscila Thiago Dobbler, Volker Mai, Bruna S Rojas, Álvaro M Laureano, Renato S Procianoy

    Published 2017-01-01
    “…<h4>Background</h4>Administering intravenous antibiotics during labor to women at risk for transmitting Group B Streptococcus (GBS) can prevent infections in newborns. …”
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  17. 557

    Association between the gut microbiotic composition and dietary patterns in hypertensive elderly patients: a cross-sectional study by Hsi-Cheng Hung, Yuan-Yuan Lin, Wan-Jung Tien, Yu-Yoh Chen, Suh-Ching Yang

    Published 2025-07-01
    “…Abstract Background Many studies on gut microbiota and hypertension have not focused on detailed dietary intake and eating habits, especially in older adults. …”
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  18. 558

    Evaluation of the Effect of Chitosan-Based Irrigation Solutions on the Bond Strength of Mineral Trioxide Aggregate to Bulk-Fill Composite by Arzu Şahin Mantı, Bağdagül Helvacıoğlu Kıvanç

    Published 2024-12-01
    “…<b>(1) Background:</b> Bond strength between repair and restorative materials is crucial for endodontic success. …”
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  19. 559

    The effect of silver and calcium fluoride nanoparticles on antibacterial activity of composite resin against Streptococcus mutans: An in vitro study by Mehdi Fathi, Zahra Hosseinali, Tina Molaei, Somayeh Hekmatfar

    Published 2024-11-01
    “…Materials and Methods: This experimental study forty-eight disks containing 0.5, 1, and 1.5% wt AgNPs s (n = 24) and 5, 10, and 15% wt CaF2NPs were prepared from flowable composite resin (n = 24). …”
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  20. 560

    Test of the relationship between adolescents’ 24-h activity behavior and anxiety symptoms using compositional data analysis by Ning Wang, Ziyi Wang, Hui Liu, Yifeng Wang, Jinkun Li, Xiaobin Hong

    Published 2025-05-01
    “…This study investigated the dose‒response relationship between Chinese adolescents’ 24-h activity behavior and anxiety symptoms using compositional data analysis (CoDA). Methods The temporal distribution of 24-h activity behaviors of 176 adolescents was objectively measured by accelerometers, and anxiety symptoms were assessed by the Self-Rating Anxiety Scale (SAS). …”
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