Clinical trials

This randomized controlled study aims to compare the effects of different periodization-based strength training approaches in individuals with type 2 diabetes mellitus. Participants will be allocated to non-linear periodization, linear periodization, or control groups. The intervention program will be conducted for 8 weeks and will evaluate exercise capacity, muscle strength, quality of life, body composition, and metabolic parameters.

Stroke is one of the leading causes of long-term disability worldwide and is frequently associated with impairments in balance, upper extremity function, and body awareness. These impairments may negatively affect independence in activities of daily living and overall quality of life. Although previous studies have investigated the relationships between balance and upper extremity function after stroke, body awareness has received relatively limited attention. The aim of this observational cross-sectional study is to investigate the relationship between balance, upper extremity skills, and body awareness in individuals with chronic stroke. Fifty-three individuals with chronic stroke will be recruited from the Department of Physical Medicine and Rehabilitation at Baskent University Hospital. Balance will be assessed using the Berg Balance Scale and the Tetrax computerized posturography system. Upper extremity motor impairment and functional performance will be evaluated using the Fugl-Meyer Upper Extremity Assessment and the Wolf Motor Function Test. Body awareness will be assessed using the Body Awareness Questionnaire. Additional assessments will include lower extremity motor function, muscle tone, cognitive status, shoulder range of motion, and upper extremity reaction time. The study is expected to provide a better understanding of the relationships among balance, upper extremity function, and body awareness in individuals with chronic stroke. The findings may contribute to the development of individualized rehabilitation strategies and improve clinical assessment approaches in stroke rehabilitation.

Parkinson's disease is associated with impairments in upper extremity function, postural control, and sensory-motor processing that may negatively affect daily activities and quality of life. While upper extremity dysfunction has been extensively investigated, the potential contributions of trunk control and body awareness have received less attention. This cross-sectional observational study aims to compare upper extremity skills, trunk control, and body awareness between individuals with Parkinson's disease and healthy adults, and to examine the relationships among these variables within the Parkinson's disease group. The findings may improve understanding of factors associated with upper extremity performance and support the development of more comprehensive rehabilitation approaches for individuals with Parkinson's disease.

This study aims to evaluate the effectiveness of relaxation and breathing training delivered by a physiotherapist and by an artificial intelligence-assisted system in postmenopausal women with non-specific chronic musculoskeletal pain. Menopause and the postmenopausal period are associated with decreased estrogen levels, structural and functional changes in the musculoskeletal system, increased pain prevalence, reduced muscle function, and impaired quality of life. Relaxation techniques, breathing-focused exercises, and mind-body practices have been shown to reduce pain, improve psychological well-being, and enhance sleep quality. With the growing use of digital health technologies, AI-supported relaxation training may offer personalized guidance, easy accessibility, and sustainable home-based practice, although its effectiveness in postmenopausal women has not yet been demonstrated. In this three-arm randomized controlled trial, participants will be assigned to physiotherapist-led relaxation and breathing training, AI-assisted relaxation and breathing training, or a control group. Interventions will last eight weeks and include sessions three days per week, each approximately 30 minutes. The physiotherapist-guided group will perform sessions face-to-face, while the AI-assisted group will complete prerecorded relaxation and breathing exercises created with AI-generated scripts and voice recordings. The control group will continue daily routines without structured training during the study period. Assessments will be conducted at baseline and at the end of eight weeks. Outcome measures will include pain severity, pressure pain threshold, musculoskeletal symptoms, menopause-specific quality of life, psychological status, sleep quality, dyspnea, and participant satisfaction. The study aims to compare the effects of physiotherapist-led and AI-assisted training modalities on pain, musculoskeletal health, sleep, psychological well-being, and quality of life. Findings are expected to contribute to the development of accessible and cost-effective interventions that support symptom management and improve the daily functioning of postmenopausal women.

Abstract Individuals with disabilities frequently face barriers to accessing healthcare services due to physical, social, economic, and policy-related factors. As essential members of the healthcare workforce, nurses play a critical role in addressing these inequities. Previous studies focusing on disability awareness, attitudes, and empathy highlight the need for high-quality research employing mixed-method, simulation-based interventions aimed at enhancing awareness and empathy, fostering positive attitudes, and supporting learning outcomes. However, the existing literature lacks studies that simultaneously compare different simulation methods and comprehensively evaluate awareness, attitudes, and empathy using a multidimensional approach. This study aims to examine the effectiveness of simulation-based interventions-standardized patient encounters and virtual reality training-in improving nursing students' awareness, strengthening positive attitudes, and increasing sensitivity in the delivery of healthcare services to individuals with disabilities. The findings are expected to support the integration and expansion of disability-focused simulation practices in nursing curricula and contribute to the development of evidence-based nursing education programs. Keywords: nursing students; disability; attitude; simulation; virtual reality

Chest tube removal in infants undergoing surgery for congenital heart disease is an invasive procedure associated with significant pain and physiological stress responses. This randomized controlled trial evaluates the effects of music and musical mobile interventions on pain and physiological parameters during chest tube removal. A total of 54 infants aged 2-12 months are randomly assigned to music, musical mobile, or control groups. Pain is assessed using the FLACC scale, and physiological parameters (heart rate and oxygen saturation \[SpO₂\]) are monitored. Measurements are obtained at predefined time points: periprocedural (10 minutes before chest tube removal, immediately after removal, and 5 minutes post-removal). The findings aim to support evidence-based non-pharmacological pain management in pediatric intensive care settings.

The global increase in cancer cases has made breast cancer the second most common cancer after lung cancer and a primary health problem among women. Early diagnosis is the most critical factor in improving survival rates and quality of life in breast cancer. Breast self-examination (BSE), which enables individuals to notice changes in their own breast tissue during the early diagnosis process, is a low-cost and effective awareness method. It is essential that nurses, who play a key role in raising public awareness on this issue, and nursing students, who are the future healthcare professionals, have sufficient knowledge and practical skills in BSE. However, the literature shows that even if students have theoretical knowledge, their application rates are low. In this context, the "AI-Supported Flipped Learning" model, which goes beyond traditional methods and supports active learning, personalized feedback, and digital literacy, has the potential to be an innovative solution in nursing education. Objective: This study aims to evaluate the effect of AI-supported flipped learning model and traditional education on the knowledge levels and performance skills of nursing students regarding BSE knowledge and skills.

EFFECT OF GUIDED IMAGERY ON PREMENSTRUAL SYNDROME IN UNIVERSITY STUDENTS Premenstrual Syndrome (PMS) is a condition characterized by physical, behavioral, and emotional symptoms that appear at the end of the luteal phase, 7-10 days before menstruation, and resolve with the onset of menstruation. Symptoms include irritability, loss of control, anxiety, depression, sleep disturbances, decreased concentration, unexplained crying, fatigue, weakness, changes in appetite, edema, headaches, joint and muscle pain, breast tenderness, altered sexual activity, and social withdrawal. In young women, PMS can negatively affect self-confidence, social relationships, quality of life, and academic performance. PMS treatment aims to relieve both physical and psychological symptoms and may include dietary supplements and complementary-alternative therapies. Approaches such as reflexology, pilates, acupressure, music, exercise, and guided imagery have shown promising results in reducing premenstrual symptoms. Mind-body-based approaches in complementary therapies are known to support psychological well-being. Guided imagery, a form of mind-body communication, involves the flow of thoughts and the way the mind encodes, stores, and expresses sensory information. It is based on the understanding that the mind and body are interconnected and that mental processes can influence physical responses. Guided imagery has been shown to reduce stress, improve mood, enhance sleep quality, strengthen the immune system, reduce fatigue, and minimize nausea and vomiting. Although effective, research on the use of guided imagery to reduce PMS symptoms in university students is limited. This study aims to investigate the effect of guided imagery on premenstrual syndrome in this population.

The goal of this randomized controlled study is to assess the effect of guided imagery on chemotherapy-related nausea and vomiting in pediatric oncology patients. Participants will receive either guided imagery+routine care or routine care. The researchers will compare nausea and vomiting and vital signs between groups.

This study aims to evaluate the effect of a Health Belief Model (HBM)-based, artificial intelligence (AI)-supported gamified training program on nurses' knowledge and attitudes toward the prevention of sharps injuries. Sharps injuries remain a significant occupational risk for healthcare workers, particularly nurses, despite existing standard precautions. The study will be conducted in two phases. In the first phase, the validity and reliability of the Sharps Injury Prediction Scale will be tested in a nurse population. In the second phase, a quasi-experimental pretest-posttest control group design will be used to assess the effectiveness of the intervention. The study will be carried out in two hospitals from the same healthcare group located in different cities to prevent interaction between groups. A total of 36 nurses will be included, with 18 participants in the intervention group and 18 in the control group. The intervention group will receive a structured, HBM-based training program consisting of seven sessions incorporating AI-supported content, gamified scenarios, interactive materials, and feedback mechanisms to enhance engagement and promote behavior change. The control group will receive routine institutional training on sharps injury prevention. Data will be collected at baseline, immediately after the intervention, and two months later. Outcome measures include nurses' knowledge, attitudes toward safe sharps use, and sharps injury risk perception. It is expected that the AI-supported gamified training program will significantly improve knowledge, attitudes, and risk awareness compared to routine training. The findings may support the integration of innovative, theory-based educational interventions into institutional training programs to enhance occupational safety.

Introduction: Pressure ulcers are a largely preventable clinical problem that negatively impacts the quality of patient care and constitutes a significant economic burden for healthcare systems. The prevention and effective management of these ulcers are closely related to nurses' knowledge, skills, and self-efficacy levels. However, current nursing education programs show a limited number of practice-based and interactive training approaches for the prevention and management of pressure ulcers. In recent years, innovative and technology-supported training methods such as gamification and metaverse have emerged as promising approaches for improving students' knowledge and self-efficacy levels by increasing their active participation in learning processes. Aim: The aim of this research is to evaluate the effect of gamified metaverse-based training developed for nursing students on their knowledge level, academic self-efficacy, and metaverse perception regarding pressure ulcer management. Method: The research was planned as a randomized controlled experimental design. The population of the study will consist of students studying in the nursing department. The sample size was calculated using G\*Power based on PUKAT 2.0-T scores; Assuming a two-way α=0.05 and power=0.80, at least 26 participants were selected for each group, and the total sample size was planned as 60 students, taking into account possible losses. Participants will be administered a Demographic Information Form, the Pressure Ulcer Knowledge Level Assessment Tool 2.0-Updated Version (PUKAT 2.0-T), and the Nursing Students Academic Self-Efficacy Scale. Participants will be randomly assigned to intervention and control groups based on their pre-test scores. The intervention group will receive traditional classroom theoretical training and gamified metaverse-based training for two weeks, while the control group will receive traditional classroom theoretical training. Post-tests will be administered immediately after the intervention and one month later. In addition, the Metaverse Perception Scale will be administered to the intervention group. Data will be collected using the Pressure Ulcer Knowledge Assessment Tool 2.0-Updated Version (PUKAT 2.0-T), the Nursing Students Academic Self-Efficacy Scale, and the Metaverse Perception Scale for Nursing Students. Results: The obtained data will be analyzed using appropriate statistical methods. Conclusion: This research is expected to provide evidence regarding the effectiveness of innovative digital education models in nursing education and contribute to the development of educational strategies for the prevention of pressure ulcers.

Introduction: Patient safety issues, such as medication errors, healthcare-associated infections, unsafe surgical procedures, and diagnostic errors, can negatively impact the quality of healthcare and patient outcomes due to preventable risks. There is a need for innovative, interactive educational approaches to ensure the lasting acquisition of patient safety competencies in nursing students and to strengthen their transfer to the clinical environment. Aim: This study aims to evaluate the effect of gamified metaverse-based training on patient safety competencies in nursing students and to assess student opinions regarding metaverse-based training. Method: The research will be conducted using a mixed-methods design. The quantitative phase will be an experimental design including intervention and control groups, pre-test-post-test, and a one-month follow-up (retention test). The research will be conducted between February 2026 and May 2026 with second-year students studying in the Spring semester of 2025-2026 at Başkent University Nursing Department in Ankara. According to G\*Power calculations, a minimum sample size of 52 was found; considering a possible 10% loss, the total sample size was planned as 60 students (intervention=30, control=30). All participants will take the Patient Safety Knowledge Level Test (pre-test) and the Patient Safety Competency Self-Assessment Tool before the training. This will be followed by 2 hours of traditional theoretical training on patient safety; the intervention group will also receive gamified metaverse-based training via Spatial.io for two weeks. Post-tests will be administered after the training and one month later. Data collection tools include the Demographic Information Form, the Patient Safety Knowledge Level Test, the Patient Safety Competency Self-Assessment Tool (PSCS), and focus group interviews to be conducted in the intervention group. Quantitative data will be analyzed through within-group and between-group comparisons; qualitative data will be analyzed using thematic analysis, and the findings will be interpreted holistically. Findings (Expected): Gamified metaverse-based training is expected to provide a greater increase in mean scores on the Patient Safety Knowledge Level Test (PSL) and total and sub-dimension scores (knowledge-skills-attitudes) of nursing students compared to the control group, and to support the retention of these results. Conclusion: This study is expected to generate evidence regarding the effectiveness of gamified metaverse-based training in improving patient safety competencies in nursing education and to contribute to the structuring of patient safety training in a more integrated, student-centered, and sustainable manner.

Chronic lumbar radiculopathy is a multifactorial condition typically caused by lumbar disc herniation, where degenerative changes lead to nerve root compression, resulting in radiating pain, sensory disturbances, and motor deficits. Management requires a multidisciplinary, primarily conservative approach centered on physical therapy, including exercise, electrotherapy, and other non-invasive modalities. Exercise plays a key role in improving spinal stability, mobility, posture, and neuromuscular coordination, while treatments like transcutaneous electrical nerve stimulation (TENS) and high-intensity laser therapy (HILT) provide pain relief through neuromodulation and tissue regeneration mechanisms. Recent evidence suggests that combining HILT with exercise may enhance functional outcomes more effectively than exercise alone. Accordingly, this study aims to compare the effectiveness of exercise alone, exercise combined with HILT, and exercise combined with conventional therapies (ultrasound, hot pack, and TENS) in patients with lumbar disc herniation. Patients aged 18-65 will be randomly assigned to three groups and undergo a 3-week treatment program, with outcomes assessed through measures of pain, disability, range of motion, and quality of life.

Multiple Sclerosis (MS) is a chronic immune-mediated and neurodegenerative disease of the central nervous system that often affects young adults and is more common in women. In addition to neurological disability, individuals with MS frequently experience frailty, a condition characterized by reduced physiological reserve, weakness, fatigue, decreased physical activity, and increased vulnerability to stressors. Frailty in MS is associated with poorer mobility, higher fall risk, reduced quality of life, and increased healthcare utilization. Irisin, a hormone released from skeletal muscles during exercise, is linked to energy metabolism and muscle function, and lower levels have been associated with reduced physical performance and sarcopenia. However, the relationship between frailty, physical fitness, and irisin levels in individuals with MS has not been sufficiently explored. This study aims to compare frailty status, physical fitness parameters, and circulating irisin levels between patients with MS and healthy volunteers aged 18-65 years. Participants will undergo assessments including the Functional Independence Measure, Frailty Index, Berg Balance Scale, 6-Minute Walk Test, and handgrip strength measurement. Blood samples will also be collected to determine irisin levels using the ELISA method. Statistical analyses will evaluate differences between groups and correlations among frailty, functional performance, and irisin levels. The findings are expected to improve understanding of frailty mechanisms in MS and contribute to developing targeted rehabilitation and management strategies.

This single-center, randomized controlled trial will evaluate the effect of a nursing intervention based on the COMFORT Communication Model on procedural pain and burn-specific pain anxiety in adult outpatient burn patients undergoing routine dressing changes at the Adult Burn Center Outpatient Unit of Ankara Bilkent City Hospital. Burn dressing changes are frequently perceived as one of the most painful non-surgical procedures, and repeated exposure to wound care may contribute to anticipatory anxiety and stress, potentially creating a reinforcing cycle in which anxiety amplifies pain and pain increases anxiety. In outpatient burn care, effective nurse-patient communication may play a critical role in improving comfort, supporting coping, and enhancing engagement in ongoing treatment. Eligible participants will be adults aged 18 years and older with second- or third-degree burns who have experienced at least three prior dressing changes, can communicate in Turkish, and have no major hearing or cognitive impairment or comorbid psychiatric/neurological condition that would prevent understanding of the study procedures. Participants who request withdrawal, require hospitalization during follow-up, or miss two consecutive intervention sessions will be withdrawn from the study. The required minimum sample size was estimated as 62 patients (31 per group) based on power analysis (effect size f=0.30; 80% power). After providing written and verbal informed consent, participants will be randomly assigned (simple randomization using Random Allocation Software) to either the COMFORT-based communication intervention group or the usual care control group. Data will be collected face-to-face in a quiet and private environment during dressing visits. At the initial visit, participants in both groups will complete a sociodemographic and burn-related information form and baseline assessments. Pain intensity will be evaluated using a Verbal Rating Scale and a Numeric Rating Scale, and pain anxiety will be assessed using the Burn-Specific Pain Anxiety Scale; perceived stress will also be measured. The intervention will be delivered by a wound care nurse during three consecutive dressing sessions. Each session is structured to last approximately 10 minutes and uses specific components of the COMFORT Communication Model tailored to the dressing-change context. In Session 1, the focus is on establishing trust, providing clear information, and supporting patient control through Connection/Communication, Orientation and opportunity, and Relating strategies (e.g., explaining the procedure step-by-step, checking understanding, offering supportive options, and inviting the patient to signal if they want pauses). In Session 2, the focus shifts to creating space for emotions and strengthening supportive openings using Mindful communication, Openings, and Family components (e.g., exploring how the prior session felt, inviting expression of concerns, and identifying supportive persons). In Session 3, communication emphasizes personalization, meaning-making, and teamwork by integrating Relating, Team, and Meaning-focused prompts (e.g., reflecting on what was most helpful, supporting adaptive coping, and, if appropriate, facilitating communication with the clinical team). Throughout all sessions, routine wound care will continue as standard practice in both groups. Outcomes will be assessed repeatedly across the three dressing sessions. Pain and pain anxiety will be assessed before each dressing, and follow-up assessments will be repeated approximately 30 minutes after the dressing procedure. The primary objective is to determine whether COMFORT model-based nursing communication reduces procedural pain intensity and burn-specific pain anxiety compared with usual care during outpatient dressing changes. A secondary objective is to evaluate whether the intervention reduces perceived stress across sessions. Statistical analyses will include appropriate descriptive and repeated-measures comparisons to examine group differences over time.

The purpose of this randomized controlled clinical trial is to evaluate the effectiveness of an Acceptance and Commitment Therapy (ACT)-oriented psychoeducation program based on the Tidal Model in patients diagnosed with depression who are receiving transcranial magnetic stimulation (TMS) treatment at a university hospital psychiatry clinic. The primary objective of this study is to determine whether participation in the psychoeducation program improves meaning in life and conscious self-care compared to usual treatment alone. The main questions this study aims to answer are: * Does the ACT-oriented psychoeducation program increase participants' level of meaning in life? * Does the program improve conscious self-care behaviors in individuals with depression? Participants will be randomly assigned to either an intervention group or a control group. The intervention group will receive an 8-week structured psychoeducation program in addition to standard TMS treatment. The control group will continue to receive standard treatment without additional psychoeducation. Participants in the intervention group will attend weekly psychoeducation sessions focusing on psychological flexibility, values clarification, coping strategies, and self-care practices. Outcome measures will be collected at baseline, immediately after the intervention, and one month after completion of the program.

This randomized clinical study will compare two occlusal splint (night guard) fabrication methods in adults with bruxism (teeth grinding/clenching). Forty-four participants will be randomly allocated to receive either (1) a 3D-printed splint manufactured from a photopolymer resin (Voco V-Print) or (2) a conventional acrylic splint fabricated using standard techniques. Participants will wear the splint during sleep for 3 months and will follow standardized instructions for use and care. At the 3-month follow-up, patient-reported satisfaction and oral health-related quality of life will be assessed using an OHIP-derived questionnaire, and splint wear will be quantified as volumetric material loss (mm³) by 3D scanning and superimposition. The results will help determine whether 3D-printed splints provide comparable patient-centered outcomes and clinical durability to conventional acrylic splints.

The goal of this randomized controlled trial is to evaluate the effectiveness of a guided imagery intervention in women receiving chemotherapy for gynecological cancers at Başkent University Ankara Hospital Outpatient Chemotherapy Unit. The main questions it aims to answer are: Does guided imagery improve psychological or physical outcomes during chemotherapy? How do outcomes differ between the intervention (guided imagery) and control (standard information) groups? Researchers will compare both groups to assess the effect of guided imagery across three repeated measurements. Participants will: * Be randomly assigned (1:1) to intervention or control groups via an online randomization tool. * Complete outcome assessments at three time points. * Be part of a sample of 158 women (minimum 76 per group), based on power analysis for repeated measures ANOVA (effect size f = 0.25, 95% power, 95% confidence). The study will follow the CONSORT-Outcomes 2022 guideline and be registered at ClinicalTrials.gov.

The normal thoracic kyphosis angle of the spine is 20-40°, however, an angle of more than 40° is referred to as postural kyphosis, increased kyphosis or hyperkyphosis. Although postural kyphosis negatively affects individuals' general health status, physical performance, and quality of life, there is still no standardized protocol for correcting the thoracic kyphosis angle. Conservative treatment approaches such as postural training and exercises, manual therapy, postural corrective kinesiotaping, and orthotic use have been recommended for managing increased thoracic kyphosis. While numerous studies have demonstrated the effectiveness of three-dimensional exercise programs in the treatment of scoliosis, research examining their impact on kyphosis remains considerably limited.Nevertheless, the potential of these exercises to promote neuromuscular reorganization suggests that they may be similarly effective in individuals with thoracic kyphosis. This randomized controlled trial aims to evaluate the effects of a Schroth-based three-dimensional exercise program on kyphosis angle, trunk muscle strength, balance, pain, and quality of life in individuals with postural hyperkyphosis and chronic neck pain.

Propofol and rocuronium may cause pain during intravenous injection. Various pharmacological agents are used to reduce the incidence and severity of injection pain. Among the most commonly used agents for this purpose are lidocaine, various opioids, ketamine, paracetamol, and dexmedetomidine. The aim of this study was to evaluate the comparative effect of intravenous dexmedetomidine and paracetamol versus lidocaine in preventing propofol- and rocuronium-induced pain during anesthesia induction.

The purpose of this study is to investigate the effects of visual-motor based training and physiotherapy program on upper extremity functions in individuals with stroke and to compare with physiotherapy program.

There is a need for long-term sustainable studies that will increase the potential health benefits in hemodialysis patients. Inspiratory muscle training, one of the recommended treatments to increase exercise capacity and quality of life during dialysis treatment in people with chronic renal failure, is a method that can be applied intradialytically, in addition to being easy to apply, cheap and sustainable. It improves functional capacity by increasing respiratory muscle strength. In this context, our study aims to investigate the effects of inspiratory muscle training on functional parameters and on hemodialysis patients with a personalized portable device and to add it to the literature.

A comprehensive understanding of the socio-demographic, clinical, and biological characteristics of patients with heart failure is essential to develop novel strategies for improving outcomes. The identification of the barriers to guideline-directed medical therapy implementation in a real-world setting is critical to decreasing the risk of heart failure hospitalization and mortality. A comprehensive and well-designed heart failure registry can determine the clinical characteristics of patients with heart failure, identify patient, physician, and healthcare system-related factors for the non-use of evidence-based therapies, and improve the implementation of guideline-directed medical therapy. It should be noted that the number of heart failure registries that enroll patients with de novo heart failure, chronic heart failure (outpatients), and worsening of heart failure (hospitalized or treated in the emergency department), with all three relevant ejection fraction categories (heart failure with reduced ejection fraction, heart failure with mildly-reduced ejection fraction, and heart failure with preserved ejection fraction), is limited. Furthermore, only a few registries assess detailed aspects of guideline adherence, treatment decisions, and both in-hospital and long-term outcomes. Therefore, the Türkiye Heart Failure (TURK-HF) registry has been designed to address this gap in knowledge about the identification, management, and long-term prognosis of patients with heart failure in a real-world setting.

It is planned to include girls and boys between the ages of 6-12 who apply to Başkent University Faculty of Dentistry, Pediatric Dentistry Clinic for routine dental examination. Informed and written consent will be obtained from the parents of each participating child. In teeth planned to undergo treatment, molar ıncisor hypomineralization diagnosis will be made primarily in the presence of limited opacities/enamel fracture after eruption in at least one first permanent molar according to European Academy of Paediatric Dentistry criteria. In teeth diagnosed with molar ıncisor hypominerlization, tooth surfaces will be cleaned with a slow-speed rotary brush and dried with air before the evaluations to be made using the ICDAS II index. Early enamel caries lesions will be assessed by visual examination. The decayed, missing, filled teeth of the patients will be assessed according to the World Health Organization assessment criteria. The groups will be double-blind randomized as conventional fissure sealant (n=63) and self-adhesive flowable composite (n=63): Group I (acid+resin-based fissure sealant) will be etched with 37% phosphoric acid for 30 seconds, the surface will be rinsed and air dried until an opaque appearance is achieved on the enamel. Low-viscosity fluoride containing resin based fissure sealant will be applied to the etched enamel surface. Group II (self-adhesive flowable composite); self adhesive flowable composite will be applied in one step. All applied fissure sealants will be polymerized using a light device. Finally, occlusion control will be performed on fissure sealants with articulation paper.The Schiff Cold Air Sensitivity Scale will be used to assess the presence of hypersensitivity in the affected teeth by applying the air-water spray perpendicular to the occlusal surface of the tooth from a distance of 1 cm for 1 second. Clinical evaluation of fissure sealants will be performed at 1, 3, 6 and 12 months using modified . Sealants that receive "Alpha" or "Bravo" scores for all criteria (anatomical form, marginal adaptation, surface texture, marginal color change, retention and secondary caries) will be classified as successful; while "Charlie" scores received from one or more of the United States Public Health Service criteria will be evaluated as failure.

In children scheduled for dental treatment, negative thoughts can lead to anxiety and make them resistant to treatment techniques. In our prospective, single-center observational study, we aim to investigate preoperative anxiety and postoperative negative behaviors in children aged 3 to 12 years who are set to undergo general anesthesia for dental conditions and treatments.