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    Assessing one-shade composite resin color stability in response to everyday drinks
    (BMC, 2024) Duzyol, Mustafa; Duzyol, Esra; Carikcioglu, Burak
    Objective The aim of our study was to measure the color changes in one-shade composite resins when exposed to common drinks, such as tea, cola and coffee. Materials/Methods In our study, Omnichroma, Vitrra APS Unique, GC A'chord and Charisma Diamond One composite resins were used. Composite resins were placed in stainless steel molds with depths of 2 mm and diameters of 5 mm. Ten specimens were immersed in tea, 10 specimens were immersed in coffee, 10 specimens were immersed in cola and 10 specimens were immersed in distilled water in an incubator at 37 degrees C for 14 days. Color measurements were performed at the beginning of the study and after 24 h and 14 days. Color values were measured using a CIE L*a*b* system with a spectrophotometer device. Color and translucency changes were calculated and data analyzed using one-way ANOVA, two-way ANOVA, and post-hoc Tukey test (p < 0.05). Results The greatest color changes occurred in the tea and coffee groups; the smallest color change occurred in the control group. After 14 days, the greatest color change was observed in the Charisma + Coffee group; the smallest color change was observed in the Omnichroma + Water group. The transparency and contrast ratios changed in all groups, and the smallest change occurred in the Omnichroma control group. Conclusion Significant differences were found in the composite color changes after immersion in beverages. The color variations significantly differed depending on the beverage in which the specimens were immersed. The initial contrast ratio was markedly different from the examined materials. Clinical significance The study emphasizes the significance of common beverages on the color stability of one-shade composite resins, underlining the need of appropriate material selection for long-term aesthetic effects in one-shade composite resin restorations.
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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.
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    Treatment Strategies for Incisors of Children Affected by Molar Incisor Hypomineralization: A Narrative Review
    (Mdpi, 2024) Sezer, Berkant; Carikcioglu, Burak
    Today, molar incisor hypomineralization (MIH), which affects approximately one in seven children, is defined as a hypomineralized developmental enamel defect that often impacts at least one permanent first molar and frequently affects permanent incisors as well. Symptoms and signs include demarcated opacities of various colors, post-eruptive enamel deterioration, atypical caries and restorations, hypersensitivity, tooth loss due to MIH, and difficulty in achieving anesthesia. A detailed review of the scientific literature shows that there are many studies evaluating different treatment approaches for permanent first molars affected by MIH. On the other hand, there are very few scientific studies evaluating treatment approaches for affected incisors in patients with MIH. Most of these studies consist of case reports or series. White/creamy and/or yellow/brown demarcated opacities are commonly observed in affected incisors in patients with MIH. While these opacities increase the susceptibility of enamel to deterioration and dental caries, they also cause aesthetic problems and related psychosocial consequences. Treatment methods, such as resin infiltration, microabrasion, and/or dental bleaching, have been proposed for aesthetic and restorative purposes in affected incisors in patients with MIH. Additionally, various approaches to increase mineral content and relieve hypersensitivity have been recommended. The number of randomized controlled and prospective studies is quite low, but many case reports and case series have been encountered. The purpose of this review was to provide a comprehensive overview of the different treatment management modalities for permanent incisors affected by MIH. As a result, while resin infiltration, dental bleaching, microabrasion, and/or etch-bleach-seal techniques are preferred for aesthetic and restorative purposes in these teeth, it has been observed that agents containing casein phosphopeptide amorphous calcium phosphate, casein phosphopeptide amorphous calcium fluoride phosphate, fluoride, and calcium glycerophosphate increase the mineral content. Additionally, studies have reported that ozone and low-level laser therapy, in addition to these remineralizing agents, reduce hypersensitivity in these teeth. Although the findings of this review indicate that the level of evidence for current approaches is not high, clinicians may prefer one or more of the treatment approaches mentioned in this article based on experience and patient expectations.