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Öğe Complete blood count, Vitamin D, Vitamin B12, Hepatitis A and Hepatitis B screening results in students of faculty of dentistry(2020) Dayi, Burak; Kayhan Tetik, Burcu; Kayhan, Eda; Yakıncı, CengizAbstract: Abstract Aim: To evaluate the blood tests of the students of faculty of dentistry, to complete their vaccination and to start their treatment if necessary depending on the vitamin levels and complete whole blood count. Material and Methods: The study was conducted between December 2017 and March 2018 in Inönü University Faculty of Dentistry. Three tubes of venous blood sample were collected from all of the students for the tests. The data were analyzed by using SPSS ver. 22.0 software. A value of p< 0.05 was considered statistically significant in all tests. Results: A total of 283 students, 160 (56.5%) female and 123 (43.5%) male, were included in the study. The mean age was 21.7 years. Anemia was detected in 46 (16.2%) of the students. Only 13 (4.59%) students had no HBV immunity and 117 (41.3%) had no immunity against Hepatitis A. Vitamin B12 deficiency was detected in only 20 (7.06%) students, while vitamin D deficiency was detected in 206 (72.79%) students. Conclusion: Most of the students had vitamin D deficiency and a large number of them were unimmunized against hepatitis A. In order the students to be able to be successful in the pre-service education and to protect both themselves and their patients from infectious diseases, we should check the vitamins and anemia levels, immunity against hepatitis and complete the deficiencies.Öğe Complete blood count, Vitamin D, Vitamin B12, Hepatitis A and Hepatitis B screening results in students of faculty of dentistry(2020) Dayi, Burak; Kayhan Tetik, Burcu; Kayhan, Eda; Yakinci, CengizAim: To evaluate the blood tests of the students of faculty of dentistry, to complete their vaccination and to start their treatment if necessary depending on the vitamin levels and complete whole blood count. Material and Methods: The study was conducted between December 2017 and March 2018 in Inönü University Faculty of Dentistry. Three tubes of venous blood sample were collected from all of the students for the tests. The data were analyzed by using SPSS ver. 22.0 software. A value of p 0.05 was considered statistically significant in all tests.Results: A total of 283 students, 160 (56.5%) female and 123 (43.5%) male, were included in the study. The mean age was 21.7 years. Anemia was detected in 46 (16.2%) of the students. Only 13 (4.59%) students had no HBV immunity and 117 (41.3%) had no immunity against Hepatitis A. Vitamin B12 deficiency was detected in only 20 (7.06%) students, while vitamin D deficiency was detected in 206 (72.79%) students.Conclusion: Most of the students had vitamin D deficiency and a large number of them were unimmunized against hepatitis A. In order the students to be able to be successful in the pre-service education and to protect both themselves and their patients from infectious diseases, we should check the vitamins and anemia levels, immunity against hepatitis and complete the deficiencies.Öğe The Correlation Between Obesity and the Decayed, Missing, Filled Teeth (DMFT/dmft) Index(2021) Ayan, Gizem; Dayi, BurakObesity is a chronic disease that significantly increases the rates of morbidity and mortality induced by the imbalance between energy intake into the body and spent energy. The prevalence of obesity rapidly increases in Turkey, as in the world. Obesity is associated with a number of diseases such as cardiovascular disorders, diabetes, high blood pressure and cancers, and its comorbidities significantly decrease with moderate weight loss. Obesity also causes oral and dental diseases such as decay, xerostomia, periodontitis, tooth loss, dentin tenderness and dental erosion. Dentists should motivate individuals with obesity by informing them about oral and dental health considering the effects of obesity on oral and dental health. This review article aimed to assess the correlation between obesity and the DMFT/dmft index based on the literature.Öğe The Effect of Whitening Toothpastes on Colour Change and Surface Roughness of Restorative Materials(Univ Costa Rica, Fac Odontologia, 2023) Dayi, Burak; Ocal, FikriTo examine the colour change and surface roughness of giomer, microhybrid composite and nanohybrid composite after brushing with whitening toothpastes. Disc-shaped samples of giomer, microhybrid composite and nanohybrid composite were divided into three subgroups(n=10), with the initial colour measured with a spectrophotometer and the surface roughness measured with a mechanical profilometer. The samples, which were immersed in coffee solution were brushed once a day with whitening toothpastes (Opalescence Cool Mint (OCM), Colgate Optic White Extra Power (COW) and Signal White Now Gold (SWN)) for 12 days. Colour change and surface roughness were measured again after the colouring-brushing cycle. All of the analyses were performed using appropriate statistical hypothesis tests. The highest increase in surface roughness was seen in the microhybrid composite group applied with SWN (p<0.05). The group with the least increase was the giomer group applied with SWN (p<0.05). While the least colour change was observed in the COW applied nanohybrid composite group (Delta E00=1,814), the most colour change occurred in the COW applied giomer group (Delta E00=5.943). After the use of whitening toothpastes, the roughness of giomer, microhybrid composite and nanohybrid composite surfaces was increased and a colour change above the clinically accepted value was observed.Öğe Evaluation of Cytotoxic Effect of Graphene Oxide Added to Mineral Trioxide Aggregate(Sage Publications India Pvt Ltd, 2023) Dayi, Burak; Kuecuekyildiz, Elif Nihan; Taghizadehghalehjoughi, AliAim:Recently, although studies have shown that biomaterials containing graphene oxide (GO) in biomedicine stand out for their positive effects, the effect of GO on dental tissues when used with dental materials is not well known. The aim of this study was an evaluation of the cytotoxic effects of GO on gingival fibroblasts when it is combined in two different ratios with Mineral Trioxide Aggregate (MTA). Materials and Methods:In this in-vitro study, a homogenous mixture of adding +0.1 weight (wt)% and +0.3 wt% GO to Angelus MTA was created (two experimental groups) and compared with pure Angelus MTA and negative control groups. The materials were mixed according to the manufacturer's instructions, and Teflon molds were used to form 24 disc-shaped samples for each group. The samples were divided into groups according to the simple random sampling method. The cytotoxic effect of samples was determined on gingival fibroblast cells by using the MTT test, and total oxidant status (TOS) and total antioxidant capacity (TAC) kits in 24 and 72 hours. The data were statistically analyzed using one-way ANOVA and Tukey tests. Results:A significant difference was found between the material-applied groups and the control group at the TAC 24 and 72 hours and between the groups containing GO and the control group at the MTT 72 hours and TAC and TOS 24 and 72 hours (p < .05). Conclusion:The addition of GO to MTA increased the dose and time-based toxicity and oxidant amount, and decreased antioxidant capacity.Öğe Evaluation of Plaque Index, Gingival Index and Oral Health-Related Quality of Life in Obese Patients(Univ Costa Rica, Fac Odontologia, 2023) Ayan, Gizem; Dayi, BurakObesity is a chronic disease that may be related to caries, periodontitis, xerostomia, and dental erosion, as well as increasing morbidity and mortality. The aim of this study was to evaluate the plaque index (Silness & Loe, 1964), the gingival index (Loe & Silness, 1963), and the oral health-related quality of life (OHRQoL) in obese patients. The study included 45 extremely obese, 45 obese, and 45 normal-weight individuals between the ages of 18 and 58. The plaque index and gingival index of the individuals were determined by clinical examination by probing. In addition, the Oral Health Impact Profile-14 (OHIP-14) questionnaire was used for the OHRQoL. The IBM SPSS Statistic 22.0 software program was used for the statistical evaluation of the study data. The plaque index and gingival index values were statistically higher in obese compared to normal weight individuals (p<0.05). Both plaque index and gingival index values were not statistically significant between the extremely obese and control groups (p>0.05). There was no statistically significant difference between the OHIP-14 total scores of the groups (p>0.05). Increased apparent plaque index and gingival index values in obese patients may adversely affect periodontal health.Öğe Examination of surface porosity of current pulp capping materials by micro-computed tomography (micro-CT) method(Mre Press, 2024) Dayi, Burak; Yalcin, MuhammetWhen dental pulp is exposed, it must be covered with a biocompatible material to form reparative dentine. The material used, besides being biocompatible, should have an ideal surface structure for the attachment, proliferation and differentiation of dental pulp stem cells. This study aimed to evaluate the porosity of the microstructures of four pulp capping materials using micro-computed tomography (micro-CT). Biodentine, Bioaggregate, TheraCal and Dycal materials were prepared according to the manufacturer's instructions using 2 x 9 mm Teflon molds. A total of 60 samples, 15 in each group, were scanned using micro-CT. Open and closed pores and the total porosity of the microstructures of the materials were assessed. The findings obtained from the study were analyzed via the Kruskal-Wallis test followed by the Mann-Whitney U test. The porosity of Bioaggregate was significantly higher than that of Biodentine, Dycal and TheraCal in all porosity values. While Biodentine did not show a statistically significant difference in open and total porosity values from either TheraCal or Dycal, closed porosity values of Dycal were significantly higher than those of Biodentine and TheraCal. Because of the affinity of cells to porous surfaces, the pulp capping materials' microstructure may affect the pulp capping treatment's success. From this perspective, the use of Bioaggregate in direct pulp capping may increase the success of treatment.Öğe In vitro comparison of physical, chemical, and mechanical properties of graphene nanoplatelet added Angelus mineral trioxide aggregate to pure Angelus mineral trioxide aggregate and calcium hydroxide(Wiley, 2021) Kucukyildiz, Elif Nihan; Dayi, Burak; Altin, Serdar; Yigit, OktayIt is important to cover the pulp surface with a biocompatible material that is physically, mechanically, and chemically adequate. Graphene has the potential to form hard tissue, but at high doses, it shows toxic effects. It can be added to biocompatible materials at low doses to enhance their hard tissue forming potential. The aim of this study was to compare the physical, chemical, and mechanical properties of graphene nanoplatelet (GNP) added Angelus mineral trioxide aggregate (A-MTA) to pure A-MTA and calcium hydroxide. Homogeneous mixtures (created by adding +0.1 weight[wt]% and 0.3 wt% GNP to A-MTA), pure A-MTA, and Dycal were used. Three disc-shaped samples of each material were prepared using Teflon mold. Scanning electron microscope-energy dispersive X-ray (SEM-EDX), particle size, microhardness, and Fourier transform infrared spectroscopy (FTIR) analysis of the materials were performed in vitro. Data were analyzed using Kruskal-Wallis test followed by Conover test (p < .001). A-MTA and GNP added samples showed similar peaks in FTIR analysis. In the EDX analysis, the amount of carbon was observed with a higher increase at A-MTA + 0.3 wt% GNP than A-MTA + 0.1 wt% GNP. In the SEM image, hollow structure and particle size decreased as the amount of GNP increased; particle size was smaller at A-MTA + 0.3 wt% GNP than A-MTA + 0.1 wt% GNP (p < .001). A-MTA + 0.3 wt% GNP showed the highest microhardness while Dycal showed the lowest microhardness. The addition of GNP, a material with high potential for forming hard tissue, to the structure of capping materials can also positively contribute to the microhardness of the capping materials.Öğe Investigation of DMFT Index and Saliva Values in Morbidly Obese and Obese Patients(Duzce Univ, Fac Medicine, 2023) Ayan, Gizem; Dayi, Burak; Sahin, Selale; Evren, BahriObjective: Obesity is a global chronic disease that affects both developed and developing countries. The purpose of this study was to examine the effect of morbid obesity and obesity on the decayed, missing, and filled teeth (DMFT) index and saliva values. Method: This study included 50 morbidly obese, 50 obese, and 50 control group patients aged 18-68 years. The DMFT index of the patients was determined through a clinical examination. The saliva kit was used to determine the saliva values [unstimulated saliva flow rate (USFR), stimulated saliva flow rate (SSFR), saliva viscosity (SV), saliva pH (SpH), and saliva buffering capacity (SBC)]. The patients were surveyed to learn about their oral health habits, nutritional habits, and socioeconomic status. Results: No significant difference was found in the number of decayed teeth, filled teeth, USFR, or SV between the groups (p > 0.05). The DMFT index, number of missing teeth, SSFR, SpH, and SBC all showed significant differences between the groups (p < 0.05). The significant variables associated with DMFT, according to the multiple linear regression model, were the frequency of dental visits (f3 = 0.365), age (f3 = 0.322), and SSFR (f3 = -0.256). Conclusion: Obese patients have a low saliva rate, low saliva pH, low buffering capacity, high DMFT index, and a high number of missing teeth.Öğe A Novel Deep Learning-Based Approach for Segmentation of Different Type Caries Lesions on Panoramic Radiographs(Mdpi, 2023) Dayi, Burak; Uzen, Huseyin; Cicek, Ipek Balikci; Duman, Suayip BurakThe study aims to evaluate the diagnostic performance of an artificial intelligence system based on deep learning for the segmentation of occlusal, proximal and cervical caries lesions on panoramic radiographs. The study included 504 anonymous panoramic radiographs obtained from the radiology archive of Inonu University Faculty of Dentistry's Department of Oral and Maxillofacial Radiology from January 2018 to January 2020. This study proposes Dental Caries Detection Network (DCDNet) architecture for dental caries segmentation. The main difference between DCDNet and other segmentation architecture is that the last part of DCDNet contains a Multi-Predicted Output (MPO) structure. In MPO, the final feature map split into three different paths for detecting occlusal, proximal and cervical caries. Extensive experimental analyses were executed to analyze the DCDNet network architecture performance. In these comparison results, while the proposed model achieved an average F1-score of 62.79%, the highest average F1-score of 15.69% was achieved with the state-of-the-art segmentation models. These results show that the proposed artificial intelligence-based model can be one of the indispensable auxiliary tools of dentists in the diagnosis and treatment planning of carious lesions by enabling their detection in different locations with high success.Öğe A review on the current dental treatment practices in adults and adolescents with obesity(2021) Ayan, Gizem; Dayi, Burak; Şahin, İbrahimObesity is a disease characterized by abnormal fat increase and its prevalence is increasing globally. Excessive and malnutrition habits, insufficient physical activity, and numerous genetic, environmental, socio-cultural and psychological factors are effective in the etiology of obesity. Obesity is associated with various systemic diseases such as high blood pressure, coronary heart diseases, and respiratory diseases. Obesity may also cause oral diseases such as tooth cavity, loss of teeth, periodontitis, xerostomia, traumatic tooth injuries, bruxism, and dental erosion. Some risk factors related to diet are determinant in the correlation between obesity and oral diseases. With the increasing prevalence of obesity, dentists encounter individuals with obesity more often in clinics. Dental clinics should be designed suitable for the treatments of individuals with obesity in terms of accessibility, the comfort of waiting rooms, the ergonomic structure of units. Comorbid systemic diseases in individuals with obesity, and drugs used to require some specific approaches in conservative and surgical treatments. Dentists should perform dental treatments considering the effect of obesity on oral and dental health. This study aimed to examine dental treatment practices in adults and adolescents with obesity in line with the literature.Öğe Surface Roughness of Restorative Materials After Simulated Toothbrushing with Toothpastes Containing Theobromine and Arginine: An In Vitro Study(Univ Indonesia, Fac Dentistry, 2023) Ocal, Fikri; Dayi, Burak; Kucukakcali, ZeynepObjective: This study examined the effect of toothpastes containing theobromine and arginine on the roughness changes of microhybrid composite, nanohybrid composite, and giomer restorative materials. Methods: A total of 90 disc-shaped specimens were prepared using microhybrid composite (Arabesk-Ara), nanohybrid composite (Herculite-Her), and giomer (Beautifil II-Gio). The samples were divided into 3 subgroups (n = 10), and initial surface roughness was evaluated with a mechanical profilometer and scanning electron microscopy (SEM). All samples were then subjected to a 1-year brushing simulation via a toothbrushing simulator using toothpastes containing theobromine (Theodent Classic, Theodent) or arginine (Colgate PRO-Relief, Colgate Palmolive); a control group was brushed with distilled water. Afterward, surface roughness measurements and SEM images were re-recorded. The difference in surface roughness was statistically evaluated. Results: The toothpaste containing arginine caused the highest increase in surface roughness in all groups. The toothpaste containing theobromine showed the least increase in roughness in the Her and Gio groups. Conclusion: Using toothpaste containing theobromine causes the least increase in the surface roughness of restorative materials, while using toothpaste containing arginine causes the greatest increase.
