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Challenges in modern medicine

Volume 48, Issue №1, 2025 PDF
CARDIOLOGY

Mechanisms of Arrhythmia Development in COVID-19Patients

Arrhythmia is a common cardiovascular complication in patients with the coronavirus disease 2019 (COVID-19). According to studies, the incidence of arrhythmia ranges from 16.7% to 19.6% among those hospitalized ...
INTERNAL DISEASES

Chronic Spontaneous Urticaria: Features of Immunopathogenesis and New Approaches to Treatment

The purpose of this work is to review current data on the pathogenetic mechanisms of the formation of chronic spontaneous urticaria and the possibility of using a new generation ...
STOMATOLOGY

Periodontal Disease and Mineral Composition of Saliva among Adolescents in the Nenets Autonomous District

Periodontal diseases are among the most common dental pathologies in the world. Studying the composition of saliva can help with early diagnosis of periodontal diseases. Aim: To study associations ...

Mixed Saliva pH Analysis in Persons Using Electronic Smoking Devices

Relevance. Oral fluid is an important indicator of health. Besides, it is the medium where the mechanical and chemical processing of food begins. Mixed saliva reveals the health condition ...

Clinical Case of Conservative Alveolar Bone Augmentation before Implantation in Esthetic Area
 

Today, minimally invasive, atraumatic, pink aesthetics is a priority for a dentist when choosing a treatment method. This is especially true when working with defects in an aesthetically significant ...

A Survey of Dentists on the Issues of Implantological Treatment of the Upper Jaw and Possible Complications
 

A survey of 156 dental surgeons was conducted on the issues of knowledge of the maxillary sinus anatomy, pre-surgery diagnostic specifics, and possible complications developing in the upper jaw ...

Comparative Analysis of Modern Techniques for Finishing Composite Restorations Using a Dental Microscope
 

The most important stage in sealing with composite materials is finishing, which determines the durability, strength, and aesthetics of the restoration. Currently, there are many modern polishing tools that ...

Changing the Perception of Smile Aesthetics by Non-Medical Students
 

The perception of the components of a smile and its aesthetics in general is determined by anatomical features and the norms formed in specific ethnic communities. The purpose of ...
SURGERY

Difficulties in Differential Diagnosis of Aggressive Forms of Thyroid Cancer

Papillary carcinoma is the most common type of thyroid cancer, accounting for more than 85 % of all types of thyroid tumors. Currently, more than 15 histopathological variants of papillary ...