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TAĞTEKİN, DİLEK

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TAĞTEKİN

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DİLEK

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2022 - 20243
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Now showing 1 - 3 of 3
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    PublicationOpen Access
    Survey study on awareness and consciousness level of sustainability in dentistry
    (2023-09-01) TAĞTEKİN, DİLEK; AKMANSOY, ŞÜKRÜ CAN; ALKAN, ELİF; BEŞİROĞLU S., TAĞTEKİN D., AKMANSOY Ş. C., ÖZKUYUCU D., ALKAN E.
    The United Nations' 17 Sustainable Development Goals (SDGs) are vital for equitable global benefits and a healthier future. This study examines the awareness levels of individuals with and without clinical dentistry training using LimeSurvey Community Edition and SPSS (Version 28.0.1.). The survey, conducted between July 15, 2021, and January 1, 2022, had 1734 participants, excluding third-grade students due to differing clinical instruction. Dental students, dentists, specialty/PhD students, specialists, academicians, and health personnel were included. The dental questionnaire comprised 26 questions, with statistically significant differences (p<0.05) in 11 responses. Those with clinical dental education showed significant (p<0.05) positive responses to sustainability-related questions, but no significant difference (p≥0.05) in general sustainability statements. The study emphasizes the need to define fundamental steps to address the current lack of interest in Sustainability in Dentistry and suggests integrating sustainability topics into the dental curriculum. Encouraging such practices can have a global impact, aligning with the SDGs. Educating dentistry professionals on sustainability will contribute to achieving these goals and benefitting present and future generations.
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    PublicationOpen Access
    Assessment of micro-hardness, degree of conversion, and flexural strength for single-shade universal resin composites
    (2022-11-01) YILMAZ ATALI, PINAR; TARÇIN, BİLGE; ŞENOL, AYŞE ASLI; TÜTER BAYRAKTAR, EZGİ; KORKUT, BORA; BİLGİN GÖÇMEN, GÜLÇİN; TAĞTEKİN, DİLEK; TÜRKMEN, CAFER; DOĞU KAYA, BENGÜ; MANAV, AYBİKE; YILMAZ ATALI P., DOĞU KAYA B., MANAV ÖZEN A., TARÇIN B., ŞENOL A. A. , TÜTER BAYRAKTAR E., KORKUT B., BİLGİN GÖÇMEN G., TAĞTEKİN D., TÜRKMEN C.
    © 2022 by the authors.Single-shade universal resin composites (SsURC) are preferred in clinical practice to reduce time for shade selection and obtain good esthetic results. In this study, the static mechanical properties of seven new SsURCs were investigated, their spectral analyzes were performed and scanning electron microscopy (SEM) evaluations were presented. Charisma Diamond One/DO, Admira Fusion x-tra/AFX, Omnichroma/OC, OptiShade/OS, Essentia Universal/EU, Zenchroma/ZC, Vittra APS Unique/VU were used in a three-point bending test to determine flexural strength (FS) and elastic modulus (EM); Vickers micro-hardness (VHN) and hardness-ratio (HR) were performed with a micro-hardness tester from top/bottom after 24-h/15-days of storage in distilled water at 37 °C (±1 °C). The degree of conversion (DC) was assessed by using Fourier transform infrared spectroscopy (FTIR). The structure of the resin matrix and filler content were assessed by SEM. Data were analyzed using IBM SPSS V23 and the R program and the significance level was taken as p < 0.05. The main effect of the tested SsURCs was found to be statistically significant on FS, EM, VHN, and DC values (p < 0.001). Bis-GMA free SsURCs (AFX, DO, VU) showed better DC and HR except for OC. All seven tested SsURCs conform to the requirements of ISO standards for dental resin composites for all tested categories.
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    PublicationOpen Access
    The effects of caries removal techniques on volume-loss percentage and microtensile bond strength
    (2024-01-01) KANAR, ÖZLEM; TAĞTEKİN, DİLEK; KORKUT, BORA; KANAR Ö., TAĞTEKİN D., KORKUT B., YANIKOĞLU F.
    Purpose: This study aimed to calculate the volume loss percentages (VLP) regarding the ICDAS II system and various caries removal techniques (CRT) and to assess the microtensile bond strength (μTBS) in terms of VLP following CRT. Materials and methods: Three-dimensional data of human extracted molars were acquired with an extraoral dental scanner (Ineos x5, Dentsply Sirona) before and after the caries removal. Each ICDAS score group (0,3,4 and 5) was divided into four subgroups according to the CRT: stainless steel bur (Group S), ceramic bur (Group C), tungsten carbide bur (TCB) and air abrasion (AA) with bioactive-glass (Group TB), and TCB and AA with Al2O3 (Group TA). Pre and post-caries removal data were overlaid in a 3D modeling software and were volumetrically measured (n=10). Following the restoration, samples were prepared with non-trimming technique and subjected to microtensile testing. Results: ICDAS II scores were found related the VLP (p< 0.001) and the μTBS (p<0.001). CRT was not effective on VLP (p=0.110), whereas CRT type was significant on μTBS (p<0.001). In Group TA, a strong negative correlation was observed between the μTBS and the VLP for ICDAS 5 score (r=-0.919; p=0.027). Conclusions: ICDAS II can provide a preliminary indication for the amount of VLP and reduction in μTBS following caries removal. The use of 29 μm Al2O3 with air abrasion in deep caries removal may improve μTBS while potentially reducing the VLP. Key words: air abrasion, caries removal technique, dental scanner, microtensile bond strength, volume loss