Evaluation of the efficiency of smear layer removal during endodontic treatment using scanning electron microscopy: an in vitro study.

Background: The smear layer formed during root canal instrumentation negatively affects root canal irrigation activity, which in turn can affect the treatment prognosis of endodontic treatment.

Aim: The aim of this study is to compare the efficiency of smear layer and debris removal in root canals using different irrigation protocols using scanning electron microscopy (SEM).

Materials And Methods: The quality of smear layer removal throughout the root canal was assessed in 30 intact extracted teeth divided into 3 groups according to the irrigation protocol: Group 1: 3% sodium hypochlorite (NaOCL) alternately with 17% ethylenediaminetetraacetic acetate (EDTA) was used.

Mechanical properties of modern restorative "bioactive" dental materials - an in vitro study.

This study aimed at assessing the mechanical properties and degradation of commercial bioactive materials. The bioactive materials (Activa Bioactive Restorative, Beautifil Flow Plus F00, F03, Predicta Bulk Bioactive) and composite resin Filtek Supreme Flow were submitted to flexural and diametral tensile strength tests (FS, DTS), modulus of elasticity (ME) evaluation, and analysis of aging in 70% ethanol and saliva on their hardness and sorption. The results for DTS ranged from 33.

Spatial Distribution Dynamics of Sensory Disturbances in the Treatment of Obesity-Related Meralgia Paresthetica Using Transcutaneous Electrical Nerve Stimulation.

To date, there have been no studies on the dynamics of areas of pain, paraesthesia and hypoesthesia after the use of various transcutaneous electrical nerve stimulation in the treatment of meralgia paresthetica. In this pilot study, we observed 68 patients with obesity-related bilateral meralgia paresthetica. Pain syndrome, paraesthesia symptoms, and hypoesthesia were evaluated using 10-point scores.

ORAL MANIFESTATIONS IN JUVENILE SCLERODERMA: CLINICAL PRESENTATIONS AND HISTOPATHOLOGICAL CHARACTERISTICS.

Juvenile scleroderma (JS) is a rare chronic connective tissue disorder characterized by stiffening of the skin and soft tissues, including the oral cavity and perioral tissues, leading to fibrosis and a large spectrum of internal organs involvement, cosmetic defects, and early infant disability. The aim of this study was to investigate the histomorphological features of lesions of oral mucosa tissues in children with juvenile scleroderma (JS). 39 JS patients (9 with juvenile systemic sclerosis - JSS and 20 with juvenile scleroderma of head-JSH aged from 5 to 17 years were observed with dental examination and morphological investigation of the dental mucosa.

Periodontal pathogens and obesity in the context of cardiovascular risks across age groups.

Background: Cardiovascular diseases (CVDs) are the leading cause of mortality and morbidity among noncommunicable diseases. Over the past decade, there has been a notable increase in the prevalence of CVDs among young individuals. Obesity, a well-known risk factor for CVDs, is also associated with various comorbidities that may contribute to cardiovascular risk.

[The results of increasing the thickness of soft tissues after using collagen matrices and connective tissue grafts].

The Study Aims: To evaluate and compare the growth of gingiva around dental implants following the use of collagen matrices and connective tissue grafts (CTG).

Materials And Methods: The study included 80 study participants, who were divided into four groups based on the type of material used to enhance gingival thickness. Two groups utilized collagen matrices, Fibro-Gide and FibroMatrix as materials, while the other two groups utilized CTG obtained from the hard palate or tubercle area of the maxilla as controls.

[Comparative analysis of the state of the microvasculature of the oral mucosa in persons with metabolic syndrome in the aspect of orthopedic dental rehabilitation].

Objective: To analyze the dynamics of the condition of the mucous membrane in patients with metabolic syndrome at the stage of preparation for dental prosthetics using dental implants.

Material And Methods: 255 patients (151 women and 104 men) aged from 35 to 65 years were examined. 3 groups were formed: 2 study groups and a comparison group.

[Mechanical properties of photopolymerisable compositions for the creation of bone and dental tissue equivalents].

The Aim Of The Study: Was to elaborate and assess biocompatible compositions based on oligocarbonate methacrylate filled with hydroxyapatite.

Materials And Methods: The manufacturing methods of the compositions are considered, and their polymerization ability, strength and elastic properties are evaluated.

Results: The highest values of hardness and elasticity were found in the composition containing 0.

Non-Invasive Nanometer Resolution Assessment of Cell-Soft Hydrogel System Mechanical Properties by Scanning Ion Conductance Microscopy.

Biomimetic hydrogels have garnered increased interest due to their considerable potential for use in various fields, such as tissue engineering, 3D cell cultivation, and drug delivery. The primary challenge for applying hydrogels in tissue engineering is accurately evaluating their mechanical characteristics. In this context, we propose a method using scanning ion conductance microscopy (SICM) to determine the rigidity of living human breast cancer cells MCF-7 cells grown on a soft, self-assembled Fmoc-FF peptide hydrogel.

The Influence of Craniometric Variation on the Position of Mandibular Foramen: A Cadaveric Cross-Sectional Study.

: the mandibular foramen is an essential anatomic landmark in performing various dental and surgical procedures, including inferior alveolar nerve block (IANB). However, its position may vary based on the individual morpho-functional features of the skull and face. This study aims to conduct a personalized assessment of the location of the mandibular foramen in various shapes of skulls, faces, and mandibles.

[A review of modern digital personal identification methods using artificial intelligence technology in forensic dentistry].

The article presents a review of scientific research on the issue of major aspects and far-reaching opportunities for the application of artificial intelligence in modern forensic medicine and forensic dentistry. The purpose of the research is to study the possibilities of application of artificial intelligence in the practice of forensic dental identification of personality based on literature data. Today, the application of artificial intelligence has made it possible to automate work processes, increase the accuracy, speed and efficiency of solving the issues of forensic dentistry, and improve the quality of forensic evidence provided.

[Prevalence of acute dental trauma and its peculiarities in children living in educational institutions].

The Aim: The of study was to assess the prevalence and features of acute dental trauma in children living in educational institutions.

Materials And Methods: 131 medical records of children from orphanages who suffered dental injuries in the period from 2017 to 2021 were studied. The analysis of the relationship of the type of acute dental injury (ADI) with the gender, age of patients, history, and the timing of medical care access was carried out.

[Analysis of changes in the position of the temporomandibular joint articular disc during positioning splint therapy according to magnetic resonance imaging data].

The Aim Of The Study: Was to assess an impact of positioning occlusal splints made by various methods on the position of the articular disc of the temporomandibular joint according to MRI data.

Materials And Methods: 40 patients (8 men and 32 women) aged from 18 to 60 years with temporomandibular joint pain dysfunction syndrome were examined (ICD-10 code K07.60).

3D analysis of soft tissue dimensional changes after dental implant placement with butt-joint vs. conical connection: a 12-month randomized control trial.

Purpose: to quantify the soft tissue dimensional changes after single-gap implant placement, during healing abutment and crown delivery phase for butt-joint and conical implant-abutment connection type.

Methods: forty patients were enrolled in the study and received randomly allocated implants with butt-joint and conical implant-abutment connection type. A standard healing abutment was placed after 6 months for two weeks.

Investigating the association between Candida albicans and early childhood dental caries: A comprehensive systematic review and meta-analysis.

Background: Early childhood caries (ECC) is a significant public health concern affecting children globally. Recent studies suggest a potential association between the presence of Candida albicans (C. albicans) in the oral cavity and the risk of ECC, but findings have been inconsistent.

Capabilities of Cephalometric Methods to Study X-rays in Three-Dimensional Space (Review).

was a systematic review of modern methods of three-dimensional cephalometric analysis, and the assessment of their efficiency. The scientific papers describing modern diagnostic methods of MFA in dental practice were searched in databases PubMed, Web of Science, eLIBRARY.RU, as well as in a searching system Google Scholar by the following key words: three-dimensional cephalometry, three-dimensional cephalometric analysis, orthodontics, asymmetric deformities, maxillofacial anomalies, 3D cephalometry, CBCT.

Long-term outcomes of carotid endarterectomy with eversion technique in patients with an open circle of Willis: A multicenter registry study.

Introduction: Carotid endarterectomy (CEA) is a surgery aimed at removing atherosclerotic plaque from the carotid artery. There are classical and eversion CEA techniques. The eversion technique is the most popular because it does not require the use of implants.

Fatal bear attack in Russian Federation: A case report.

Human-bear conflicts are a growing concern globally, with Russia harboring a significant population of brown bears. This case report details a fatal encounter between a male hunter and a brown bear in the greater Khabarovsk region. On October 2015, the hunter's body was discovered approximately 400 m from a deceased brown bear, indicating a deadly confrontation.

Comparative Analysis of Modern 3D-Printed Hybrid Resin-Ceramic Materials for Indirect Restorations: An In Vitro Study.

The study investigated the impact of aging on surface roughness, color stability, and biocompatibility of hybrid resin-ceramic materials. A total of 225 specimens were produced from three three-dimensional (3D)-printed (HarzLabs Dental Sand Pro (HL), BEGO VarseoSmile Crown plus (BV), Voco V-Print c&b temp (VV)) and one milled material (Voco Grandio Blocs (VG)). Specimens were grouped into untreated, polished, and glazed surfaces.

Green Synthesis of Al-ZnO Nanoparticles Using Plant Extracts: Analysis of Structural, Antioxidant, and Antibacterial Activities.

Nanoparticles derived from biological sources are currently garnering significant interest due to their diverse range of potential applications. The purpose of the study was to synthesize Al-doped nanoparticles of zinc oxide (ZnO) from leaf extracts of and assess their antioxidant and antimicrobial activity using some bacterial and fungal strains. These nanoparticles were analyzed using X-ray diffraction (XRD), ultraviolet-visible (UV-vis) spectroscopy, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) with energy dispersive X-ray analysis (EDAX), transmission electron microscopy (TEM), and thermogravimetric analysis/differential thermal analysis (TG-DTA).

Transforming Diagnostics: A Comprehensive Review of Advances in Digital Pathology.

Digital pathology has emerged as a revolutionary field, transforming traditional diagnostic practices by integrating advanced imaging technologies, computational tools, and artificial intelligence (AI). Adopting digital slides over conventional glass slides enables high-resolution imaging, facilitating remote consultations, second opinions, and telepathology. The digitalization of pathology laboratories enhances workflow efficiency and allows for large-scale data storage, retrieval, and analysis, paving the way for developing robust diagnostic algorithms.

A novel coded healing abutment for a simplified digital workflow: A retrospective clinical study on 103 patients with a one year follow-up.

Objectives: To present the clinical results obtained using a novel coded healing abutment (CHA).

Methods: We evaluated 103 patients with fixed implant-supported zirconia restorations (90 single crowns, 26 partial dentures, and 6 full arches) manufactured via computer-aided-design/computer-assisted-manufacturing and starting from the point of intraoral scans of novel CHAs (i-Physio®, LYRA-ETK, Sallanches, France). Patients were followed for one year.