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    Dental age estimation with fewer than mandibular seven teeth: An accuracy study of Bedek models in Turkish children
    (Springer Heidelberg, 2022) Carikcioglu, Burak; Sezer, Berkant
    Objectives One or more missing teeth, such as hypodontia, make it difficult to obtain accurate results in age estimation methods. This paper aims to test the accuracy of the models developed by Bedek et al. that can estimate age with fewer than seven teeth for Turkish children. Materials and methods Panoramic radiographs of 1118 children (540 girls and 578 boys) aged between 6 and 16 years were evaluated using the Willems method and Bedek models for the entire sample and for different ages and sexes. Differences between dental age (DA) and chronological age (CA) calculated for all methods for each sex and all age groups were analyzed the paired sample t-test and Wilcoxon signed rank test. The accuracy of the DA estimation methods was determined by the proximity of DA to CA by calculating mean absolute error (MAE). Results While all Bedek models underestimated CA by 0.2 to 0.1 years, the Willems method overestimated CA by 0.3 years. DA-CA difference in the total sample and girls was statistically significant in all methods. In the total sample, the seven- and four-teeth models had the lowest MAE, while the one-tooth model had the highest MAE. Conclusions Seven- and four-teeth models were the most suitable for age estimation, and all models except the one-tooth model were found to be more accurate than the Willems method in northwestern Turkish children.
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    Impact of parental dental anxiety on the oral health-related quality of life of preschool children without negative dental experience
    (Elsevier France-Editions Scientifiques Medicales Elsevier, 2022) Carikcioglu, Burak
    Background: Oral health-related quality of life (OHRQoL) is negatively affected by negative dental experiences. It is unclear how parental dental anxiety affects the OHRQoL of children who have not had a negative dental experience. Thus, this study aimed to investigate the impact of parental dental anxiety on the OHRQoL of preschool children without negative dental experiences. Methods: This cross-sectional study enrolled 412 parents of preschoolers aged 4-6 years. The parents answered a questionnaire on sociodemographic status, negative dental experience, dental anxiety, and perception of their children's OHRQoL (Early Childhood Oral Health Impact Scale, ECOHIS). Children with negative dental experiences were not included in the study. Results: An increase in parental dental anxiety was found to have a negative impact on OHRQoL (p<0.05). The adjusted model showed that at all levels of parental dental anxiety, the sex and age of the children, as well as the parents' educational level had no impact on OHRQoL (p>0.05). Furthermore, at all levels of parental dental anxiety, regular dental visits by children had the greatest negative impact on the OHRQoL (p<0.001). Conclusion: This study revealed that an increase in parental dental anxiety as well as dental visits negatively affected the OHRQoL of preschoolers without a negative dental experience. (c) 2022 French Society of Pediatrics. Published by Elsevier Masson SAS. All rights reserved.
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    The impact of remineralization agents on dental bleaching efficacy and mineral loss in bleached enamel
    (Wiley, 2022) Misilli, Tugba; Carikcioglu, Burak; Deniz, Yesim; Aktas, Cagatay
    This study evaluated the effect of remineralization agents on bleaching efficiency, enamel mineral changes, and post-bleaching color stability. A total of 112 enamel-dentin blocks were prepared from bovine teeth. Following initial color measurements, separate treatment regimens were carried out as follows: negative control (no treatment); positive control (bleaching only); bleaching, then NaF; bleaching + NaF (mix); bleaching, then CPP-ACPF; bleaching + CPP-ACPF (mix); bleaching, then nHAP+F; bleaching + nHAP+F (mix). Color measurements were repeated after immersion in distilled water for 7 days, and again after staining with coffee solution for 14 days. The CIELAB-based whiteness index was used to evaluate bleaching efficiency, and the CIEDE2000 color difference formula for color stability. Chemical investigation was performed using scanning electron microscopy with energy dispersive spectroscopy and X-ray diffraction analyses. The experimental groups showed significant increases in whiteness compared to the negative control, and the staining after bleaching did not result in statistically significant differences between the groups. Energy dispersive spectroscopic analysis revealed that bleaching protocols had no impact on elemental levels as well as the ratio of Ca/P. The combined use of bleaching agents with remineralization agents did not affect bleaching effectiveness but also did not provide an additional contribution.