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Now showing 1 - 4 of 4
  • Publication
    Open Access
    Structural and mechanical properties of a giomer-based bulk fill restorative in different curing conditions
    (2018-01-01) Kaya, MUSTAFA SARP; Bakkal, MELTEM; Durmus, Ali; Durmuş, ZEHRA; KAYA, MUSTAFA SARP; BAKKAL, MELTEM
    The main goal of this study was to compare the polymerization degree of bulk-fill giomer resin cured with three different light-curing units (LCUs): a polywave third-generation (Valo); a monowave (DemiUltra: DU); and a second-generation LED (Optima 10: Opt) LCUs by using structural and mechanical properties. Giomer samples of 2 and 4 mm cured with three LCUs were employed in vitro analysis. The degree of curing (DC%) was determined with Fourier-Transform Infrared Spectroscopy (FTIR). Microstructural features were observed with scanning electron microscopy (SEM). Flexural strength (FS), compression strength (CS), elastic modulus and fracturing strain were determined for mechanical properties. Surface microhardness (SMH) values were also measured. Oneway ANOVA, two-way analysis of variance and Tukey multiple comparison tests were used for statistically analyzing the FS and SMH. DC% values were 58.2, 47.6, and 39.7 for the 2 mm samples cured with DU, Opt., and Valo LCUs, respectively. DC% values of the 4 mm samples were 50.4, 44.6, and 38.2 for DU, Opt, and Valo, respectively. SMH values were Valo, Opt
  • Publication
    Metadata only
    The Effect of Parenting Styles on Behavior Management Technique Preferences in a Turkish Population.
  • Publication
    Metadata only
    Two-colour chewing gum mixing ability test for evaluating masticatory performance in children with mixed dentition: validity and reliability study
    (2017-11-01T00:00:00Z) Kaya, MUSTAFA SARP; Guclu, B.; Schimmel, M.; AKYÜZ, SERAP HATİCE; KAYA, MUSTAFA SARP
    The unappealing taste of the chewing material and the time-consuming repetitive task in masticatory performance tests using artificial foodstuff may discourage children from performing natural chewing movements. Therefore, the aim was to determine the validity and reliability of a two-colour chewing gum mixing ability test for masticatory performance (MP) assessment in mixed dentition children. Masticatory performance was tested in two groups: systemically healthy fully dentate young adults and children in mixed dentition. Median particle size was assessed using a comminution test, and a two-colour chewing gum mixing ability test was applied for MP analysis. Validity was tested with Pearson correlation, and reliability was tested with intra-class correlation coefficient, Pearson correlation and Bland-Altman plots. Both comminution and two-colour chewing gum mixing ability tests revealed statistically significant MP differences between children (n = 25) and adults (n = 27, both P < 0.01). Pearson correlation between comminution and two-colour chewing gum mixing ability tests was positive and significant (r = 0.418, P = 0.002). Correlations for interobserver reliability and test-retest values were significant (r = 0.990, P = 0.0001 and r = 0.995, P = 0.0001). Although both methods could discriminate MP differences, the comminution test detected these differences generally in a wider range compared to two-colour chewing gum mixing ability test. However, considering the high reliability of the results, the two-colour chewing gum mixing ability test can be used to assess masticatory performance in children, especially at non-clinical settings.
  • Publication
    Open Access
    Risk Factors for Early Childood Caries: A cross-sectional study in a Dental School
    (2018-10-01T00:00:00Z) Kaya, MUSTAFA SARP; Mandaci, Seda Mete; KARGÜL, BETÜL; KAYA, MUSTAFA SARP
    Objective: This study aimed to investigate possible early childhood caries (ECC) risk indicators in preschoolers who applied for examination/treatment at the Government University Pediatric Dentistry Clinic, Istanbul, Turkey.