Osman Gürdal

ORCID: 0000-0003-4670-2254
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About
Contact & Profiles
Research Areas
  • Dental materials and restorations
  • Dental Research and COVID-19
  • Eating Disorders and Behaviors
  • Advancements in Solid Oxide Fuel Cells
  • Catalysis and Oxidation Reactions
  • Endodontics and Root Canal Treatments
  • Congenital Heart Disease Studies
  • Cardiovascular Function and Risk Factors
  • COVID-19 Impact on Reproduction
  • Anodic Oxide Films and Nanostructures
  • Workaholism, burnout, and well-being
  • Selenium in Biological Systems
  • Preterm Birth and Chorioamnionitis
  • Pregnancy-related medical research
  • Perfectionism, Procrastination, Anxiety Studies
  • Polymer composites and self-healing
  • Pulmonary Hypertension Research and Treatments
  • Medical Imaging Techniques and Applications
  • Gastric Cancer Management and Outcomes
  • Pain Mechanisms and Treatments
  • Trace Elements in Health
  • Emotional Labor in Professions
  • Dye analysis and toxicity
  • TiO2 Photocatalysis and Solar Cells
  • Reconstructive Facial Surgery Techniques

Süleyman Demirel University
2019-2024

Suleyman Demirel University
2018-2023

Gazi University
2006

We aimed to evaluate the availability of fluorine-18-fluorodeoxyglucose (18F-FDG) PET/computed tomography (CT) in initial axillary lymph node (ALN) staging breast cancer. The secondary objective is role FDG PET/CT as a pretest sentinel biopsy vs. dissection when predicting disease aggressiveness.The study evaluated retrospectively 194 cancer patients who underwent preoperative 18F-FDG. sensitivity, specificity, positive predictive value (PPV) and negative (NPV) for ALN metastases were...

10.1097/mnm.0000000000001073 article EN Nuclear Medicine Communications 2019-08-17

Amaç: Pediküllü kasık flebi, eldeki geniş defektlerin çoğu için standart bir flep olarak önerilmiştir. Kasık flebini serbest kaldırmak da mümkündür. Geniş el defektleri olan hastalarda pediküllü ve flebi rekonstrüksiyonlarını hasta bildirim sonuçlarına göre retrospektif karşılaştırmayı amaçladık. Hastalar Yöntem: 2013-2020 yılları arasında ellerindeki defektler nedeniyle veya yapılan 16 bu çalışmaya dahil edildi. Çalışma klinik anket çalışması gerçekleştirildi. grubu (n=8) olmak üzere iki...

10.30733/std.2023.01652 article TR Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi 2023-09-01

Bu tez çalışmasında Sağlık Bakanlığı-Ordu Üniversitesi Eğitim ve Araştırma Hastanesinde görev yapan sağlık çalışanlarının iş doyumu, örgütsel bağlılık tükenmişlik düzeyleri arasındaki ilişkilerin Yapısal Eşitlik Modellemesi (YEM) tekniğiyle açıklanması amaçlanmıştır. amaçla çalışmada toplam 486 personele (hekim, hemşire, teknisyeni diğer) Maslach Tükenmişlik Ölçeği, Minnesota İş Doyum Ölçeği Allen-Meyer Örgütsel Bağlılık uygulanmıştır. YEM sonuçlarına göre, araştırma bulguları ile...

10.17343/sdutfd.439841 article TR SDÜ Tıp Fakültesi Dergisi 2018-09-21

Abstract Background Tricuspid annular plane systolic excursion (TAPSE) and mitral (MAPSE) are two echocardiographic parameters which provide reliable information about the longitudinal myocardial functions of right left ventricles in both adult pediatric population. The aim this study was to determine TAPSE MAPSE reference values healthy children aged 0‐18 years. Methods Results This prospective included 1300 evaluated with two‐dimensional echocardiography. In addition routine examination,...

10.1111/echo.14793 article EN Echocardiography 2020-07-20

The aims of this study were to evaluate the surface morphology and roughness restorative materials containing glass ionomer, analyze Streptococcus mutans biofilm formation on materials, determine correlation between biofilm.Four materials: resin-modified ionomer; giomer; amalgomer; carbomer used for each material, 6 mm in diameter 2 thickness disc-shaped specimens prepared (n = 3), 16), 20). Surface was analyzed with a scanning electron microscope. evaluated via an atomic force by counting...

10.4103/njcp.njcp_538_19 article EN Nigerian Journal of Clinical Practice 2020-01-01

This study aimed to introduce a reliable and useful model of selective sensorial or motor denervations the sciatic nerve in rats with clinical laboratory outcomes.

10.5152/j.aott.2024.22125 article EN cc-by-nc Acta Orthopaedica et Traumatologica Turcica 2024-02-28

Preterm identification of cervical dilation in pregnant women leads to the application emergency cerclage with an expectation achieving term delivery. However, this is not always feasible. Short- and long-term neonatal complications post-preterm birth pose a significant challenge. It crucial anticipate potential understand possibilities postpartum development as they can be encountered. We aimed evaluate effect degree dilatation before ultrasound physical examination-indicated singleton...

10.5339/qmj.2024.20 article EN cc-by Qatar medical journal 2024-05-07

This study examines the effects of several clinical procedures that lead to dehydration on color change in natural teeth. CIE L*, a*, and b* coordinates maxillary incisors were measured using a spectrophotometer before after procedure at minute intervals 10, 20, 30, 1440 (24 hours). Test groups as follows: 6 15 minutes open mouth under LED halogen dental reflectors; control evaluated dark environment for minutes; impressions taken with condensation additional type impression materials....

10.33715/inonusaglik.1027774 article EN İnönü Üniversitesi Sağlık Hizmetleri Meslek Yüksek Okulu Dergisi 2023-01-11

This study revealed the utility of mean platelet volume (MPV) as a mortality marker in SARS-CoV-2 infection, well its connection with other inflammatory indicators such procalcitonin (PCT) and neutrophil-lymphocyte ratio (NLR).A total 1528 patients (853 males 653 females; age: 64.33 ± 16.36 years; range, 18-100 years) were hospitalized COVID-19 between March 2020 December 2022. The patients' demographic clinical information, including ward critical care data, gathered from their medical...

10.1016/j.heliyon.2023.e21983 article EN cc-by-nc-nd Heliyon 2023-11-01

Amaç Demir eksikliği anemisi (DEA) dünyada ve ülkemizde en sık görülen hastalıktır etyolojisinde birçok neden yer almaktadır. Çalışmamızın amacı DEA’ nın Süleyman Demirel Üniversitesi Tıp Fakültesi hastanesine başvuran hastalarda retrospektif olarak prevalansını etyolojisini araştırmaktır. Gereç Yöntem Çalışmaya Nisan 2017 - Kasım arasında İç Hastalıkları polikliniğine az tam kan sayımı, ferritin, vitamin B12, folik asit değerleri istenmiş 18-65 yaş arasındaki toplam 1000 hasta alınmıştır....

10.17343/sdutfd.691820 article TR SDÜ Tıp Fakültesi Dergisi 2020-09-20

Background and Objectives: In this study, we investigated the frequency type of second primary malignant tumors (SPMTs) accompanying gastrointestinal stromal (GISTs), patient tumor characteristics, follow-up survival data. Materials Methods: We included 20 patients with SPMTs from a total 103 GISTs in single center Turkey. At time GIST diagnosis, age, sex, presentation symptoms, localization, pathological features tumor, stage, recurrence risk scoring for localized disease, treatments...

10.3390/medicina57050494 article EN cc-by Medicina 2021-05-13

Amaç: Cam iyonomer simanlar; mine ve dentine kimyasal bağlanmaları, biyouyumlulukları, flor salınımı gibi spesifik özellikleri nedeniyle klinkte yaygın olarak kullanılırlar. Flor salınımına bağlı antikaryojenik potansiyelleri, restorasyonun klinik başarısını doğrudan etkileyen sekonder çürük gelişimini önleyen bir faktör görülmektedir. Sekonder oluşumuna neden olabilen diğer de yüzey pürüzlülüğüdür. Materyalin kalitesi; plak birikimini buna oluşumunu etkilemektedir. Bu çalışmanın amacı da...

10.22312/sdusbed.468329 article TR Süleyman Demirel Üniversitesi Sağlık Bilimleri Dergisi 2019-03-18

Özet Amaç Çalışmada ki amacımız, (Symptom Check List-90) SCL-90 formu ile hastaları psikolojik semptom yönünden taramak, vitamin D düzeyinin semptomlara etkisini ortaya koymaktır. Materyal metod Çalışmaya Nisan-Eylül 2018 tarihleri arasında, Üniversite Hastanesi Aile Hekimliği polikliniğine başvuran, ek psikiyatrik ve kronik hastalığı olmayan, daha önce vitamini desteği almayan, normal vücut kitle indexine sahip 224 kişi dahil edildi.154 kişide <20 ng/mL iken, 70 >20 idi....

10.22312/sdusbed.485131 article TR Süleyman Demirel Üniversitesi Sağlık Bilimleri Dergisi 2019-03-18

Background: The aim of this study was to examine the effect addition titanium dioxide (TiO2) nanoparticles on elemental composition and micro hardness a conventional glass-ionomer an amalgomer.Methods: A glass ionomer cement (GICs) amalgomer were used in study. Seventeen samples prepared from each material using teflon molds (8 x 2) determined as control group. Each then blended with 3 % (w/w) TiO2 (anatase phase, 17 nm particle size) seventeen form experimental groups. Characterization...

10.15311/selcukdentj.736307 article EN cc-by-nc Selcuk Dental Journal 2021-12-30

The influence of TiO2 addition on the phase stability and electrical conductivity cubic zirconia was studied. XRD results showed that when amount less than 5 wt %, specimens were entirely in single phase; further destabilized caused formation tetragonal phase. increased with increasing content matrix. measured using a frequency response analyzer range 5-13 MHz air temperature 300-800 oC. It seen doped decreased content. This decrease due to both trapping oxygen ion vacancies at Ti ions which...

10.1149/1.2357110 article EN ECS Transactions 2006-10-20

Objective: Obesity is one of the most important health problems our time. Many people use various methods to lose or maintain their weight. In this study, we aimed evaluate effectiveness used for weight control.Methods: total, 861 participants were interviewed face-to-face and electronically.Results: questionnaire it was found that differences in loss had no significant effects on control; however, variables such as body mass index (BMI) at onset diet duration it, marital status, age...

10.20518/tjph.865869 article EN cc-by-nc Türkiye Halk Sağlığı Dergisi 2021-06-03

SUMMARY OBJECTIVE: Artificial food colorings, as types of additives, are widely used at present in daily life. We aimed to investigate the effects exposure artificial colorings during intrauterine period on salivary glands adulthood. METHODS: A total 30 Wistar albino female pregnant rats were included this study. The treatment group was given a mixture nine no observed adverse-effect-level doses. Neither mothers nor offspring fed with after delivery. When became adults, they sacrificed, and...

10.1590/1806-9282.67.02.20200749 article EN Revista da Associação Médica Brasileira 2021-02-01
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