M. Yu. Goncharuk-Khomyn

Uzhhorod National University | UzhNU · Department of Prosthetic Dentistry

The article presents a case of spontaneous recession repair in a male patient with Class II malocclusion, division 1, after orthodontic treatment with aligners. The difference in digital recession depth was measured before and at the end of treatment by means of automatic intraoral scans superimposition within adapted software while using “Cross se...

The objective of this study was to evaluate the changes in foreign students' satisfaction with the quality of dental and medical education considering the impact of the war in Ukraine. The present study was organized in the form of a questionnaire-based survey among 300 foreign students of Medical Faculty and Faculty of Dentistry in Ukraine. The qu...

Background. Overall pool of studies regarding artificial intelligence (AI) implementation in dentistry is increasing every year, while possibilities for using AI methods within everyday endodontic practice is still quite confined and not always enough affirmed. Objective. To systematize and depict principal data regarding use of virtual artificial...

Background. Consensus statements of several international congresses and conferences include option of using dental implants as a potentially effective treatment alternative for ectodermal dysplasia patients. So far ectodermal dysplasia seems to be the most common disorder which arguments need for using dental implants among growing patients Object...

Background. Number of forensic methods have been proposed for dental age estimation, while parameter of dental age itself is demonstrating a high level of correspondence with chronological age. Analysis of available literature revealed deŢciency of studies regarding applicability of using Demirjian’s age estimation technique among Ukrainian samples...

Background Since 3-dimensional cone beam computed tomography (CBCT) started to be used in dentistry, mineral density can now be examined with computer software from the data on the images obtained. Detailed and clear images at different slice intervals can be obtained with CBCT, and mineral density can be measured from the image data on a computer...

Purpose To verify the possibility of using *.stl models for the assessment of maxillofacial traumatic injuries by FISS and MFISS severity scores in the remote mode of forensic evaluation. Methods Quantitative assessment of maxillofacial traumas was made by facial injury severity score (FISS) and maxillofacial injury severity score (MFISS) among 27...

Purpose To evaluate the efficiency of dental treatment supported by the complex diagnostic algorithm consisting of digital scanning, CBCT, and surface electromyography procedures (“TRIDENT” algorithm) considering clinically objective and patient-oriented subjective criteria. Methods The study cohort was formed out of 47 patients, who underwent imp...

Purpose To evaluate the effectiveness of using nurb-to-nurb, line-to-line, and node-to-node superimposition principles during the person identification procedure based on dental status comparison considering clustering and fractal differentiation of targeted points. Methods The study included a graphical analysis of 45 skulls that were originally...

Purpose To assess clinical optimization of hybrid digital approach for full zirconium crowns manufacturing developed under sanitary restrictions during COVID-19 pandemic considering specific economical interaction of “low budget clinic–high budget dental laboratory”. Methods Developed primary approach included following steps: 1) taking analog imp...

Purpose To formulate a digital environment for clinically driven ergonomic patterns assessment among endodontists and evaluate the effectiveness of its practical implementation. Methods The study cohort was formed out of 30 clinicians, who agreed on videorecording of their clinical working patterns during endodontic treatment using a 3-orthogonall...

The ergonomic aspect of work is one of the keys to the daily practice of a dentist. In-depth study and development of ways to optimize the basic ergonomic principles of work, monitoring the dynamics of implementation and, if necessary, the possibility of their correction is an important scientific and practical issue that can increase the level of...

Assessment of gingival recessions prevalence and explicitation of their distribution among studied samples of dental patients considering criteria of age, sex, severity of gingival apical migration and the facts of associated dental status changes can potentially help to identify specific risk groups. Implementation of preventive measure among such...

Objective: To analyze the perspective of using an adapted algorithm for digital images comparison while providing forensic dental identification in complicated fractured skull conditions by ante-mortem and post-mortem radiographical data sets. Materials and methods: Ante-mortem orthopantomogram and post-mortem peri-apical X-ray images were conve...

Objective To evaluate and systematize tongue color-related manifestations among patients with PCR-confirmed COVID-19 infection. Material and Methods This retrospective study included analysis of tongue images obtained from patients with PCR-confirmed COVID-19 infection. Evaluation of coronavirus disease severity (mild, moderate, severe, critical)...

The research presents a prognostic model of the effectiveness of minimally invasive interventions in the dental patients’ treatment of carious pathology, which was developed to reduce the impact of iatrogenic interventions, increase the results of biological, biomechanical and financial feasibility of treatment. The aim of research is to develop a...

Annotation. According to previous studies there are specific territorial, social and culturally associated patterns of prevalence and distribution of maxillofacial injuries within quarantine restrictions regarding their etiology and mechanism of occurrence in different countries, which in turn could provoke changes among individual components of ge...

The number of drug addicts in the world is growing every year. The aim of the study was to assess the dental status of drug-addicted patients with parafunction of the dental-jaw apparatus. We used clinical, analytical, functional and histological research methods. 119 drug-addicted and 110 non-drug-dependent patients aged 18 to 54 were examined. In...

Резюме. Доказово доведено, що для формування надійного м᾽якотканинного бар᾽єра в периімплантатній ділянці необхідно забезпечити умови для біологічної організації мінімальних геометричних параметрів біоширини. Дефіцит останніх асоційований із ризиком розвитку патологічних резорбтивних процесів із редукцією рівня навколишнього кісткового гребня, та н...

Резюме. Відмінність в особливостях будови м’яких тканин навколо дентальних імплантатів, порівняно зі структурою пародонта власних зубів, що визначається, зокрема паралельною орієнтованістю волокон відноcно поверхні трансмукозного абатмента та іншими характеристиками, певною мірою знижує захисний потенціал периімплантатного м’якотканинного бар’єра,...

Aim: Quantitative evaluation of prognostic correspondence between initial maxillofacial traumatic injury assessed by facial injury severity score and maxillofacial injury severity score, treatment cost and duration of hospitalization among Ukrainian patients. Methods: Design of present study was retrospective and based on the medical data of patien...

The article represents the results of data analytical processing considering the equivalent for dental treatment cost estimation among victims of traffic accidents with dental and maxillofacial injuries, and analyzes the objective association level of this criterion with the parameters of the approaches used for expert assessment of maxillofacial t...

Annotation. The lack of unified approach or algorithm for expert assessment of the endodontic treatment quality is the reason for registration of various prevalence indicators considering unsuccessful outcomes of pulpitis and periodontitis treatment, misinterpretation of the results and occurrence of problematic situations during the process of for...

Background Considering dental data gain associated with COVID-19 in the last few months of 2020, it is highly important to provide an assertive critical literature review with the categorization and systematization of available findings. Objective The purpose of this article is to shed light on the concerns of dentists who provide treatment of chi...

Objective: To analyze a bibliometric profile of scientific production published in Acta Stomatologica Croatica (ASCRO). Material and methods: Scientific papers published from March 2009 to December 2018 were analyzed. Information on the year of publication was collected by four trained examiners. Dentistry area, study type and design, data analy...

Objective of the research was to evaluate level of correspondence between skeletal and dental maturity parameters and their relation to chronological age among orthodontic patients with different sagittal relationship at the end of puberty period. A sample of 61 patients’ datasets (clinical records, OPG, cephalogram) aged 15-17 years old was div...

Мета: проаналізувати дані щодо поширеності периімплантиту за результатами попередньо проведених досліджень протягом 2014–2019 років та виокремити основні тенденції змін епідеміологічних показників. Матеріали і методи. З метою реалізації поставленої мети дослідження проведено пошук публікацій у базі даних Pubmed Central (https://www.ncbi.nlm.nih.gov...

Objective: To estimate the actual parameters of bacterial load in subgingival plaque during periodontitis and peri-implantitis pathologies using the RT-PCR (real-time polymerase chain reaction) method and evaluate their associations with clinical periodontal indicators. Materials and methods: Five different groups of subjects were selected accor...

Objective: To approbate the complex approach for assessment of second molar mesialization outcomes with the use of orthodontic mini-implants. Material and Methods: The sample consisted of 62 patients, divided into study (n=32) and control group (n=30). Mesialization procedure in the study group was conducted with the use of braces system and ortho...

Objective: To identify the prevalence of maxillofacial injuries resulting from interpersonal violence in Brazilian children and adolescents. Material and Methods: This is a retrospective study conducted at a Center of Forensic Medicine and Forensic Dentistry with a sample of 335 medical reports of victims aged up to 19 years. Variables involved se...

Objective of the research was to verify the validity of spectroscopic approach for clinical control of denture base acrylics polymerization during quality assurance check-up after laboratory manufacturing phase. 15 samples with 1 mm thickness 5 mm width and 10 mm length of four different denture acrylic resins were prepared due to the manufacturer'...

Objective of the research was to analyze the impact of environmental and person-oriented factors on dental caries intensity trends among different age groups of children living at the ecologically stressed zone of Transcarpathia region with fluorine and iodine deficiency. Retrospective design of the study covered two phases: 1) clinical evaluation...

Резюме. Виникнення пародонтиту доказово асоційоване із впливом специфічних видів мікроорганізмів, категоризованих у відповідні комплекси, проте характер клінічного перебігу патології та ефективність лікування визначають складною взаємодією між патогенетичними факторами та індивідуальними генетичними, імунологічними та бактеріологічними пацієнтасоці...

Taking into account the presence of pre-conducted epidemiological studies on the territory of Transcarpathian region devoted to the question of major dental pathologies prevalence among children, it is advisable to systematize and compare their results with each other, as well as with data obtained during a specifically formed study sample of child...

Розробка параметра конфігурації порожнини була обґрунтована потребою квантифікації співвідношення показників полімеризаційної усадки та полімеризаційного стресу відповідно до особливостей геометрії відпрепарованого каріозного дефекту. Однак за даними різних досліджень, рівень розподілу полімеризаційного стресу вираженіше залежить від абсолютних роз...

Objective: To evaluate saliva quantity and content parameters among children of 7 and 12 years old, who permanently living on the territory of Subcarpathia with the registered territory-associated fluoride deficiency in the water, and their association with the caries status of pediatric patients. Material and Methods: The study sample was formed...

The problem of complex dental rehabilitation of a patient after partial or complete teeth loss is an urgent issue for dental practice. The most of patients coming to dentist with to make dentures on dental implants after tooth loss in lateral part of maxilla are often observed with atrophy of the alveolar bone resulting in maxillary sinus (sinus Ha...

The development of the modern implantology industry, which allows for the effective rehabilitation of dental patients in cases of partial and complete adentia, involves reducing the number of relative contraindications to the establishment of titanium intralesional structures, especially in cases of bone defect or insufficient geometric parameters...

Background. Bone substitutes size changes depend on the influence of a number of determinants, including the origin of the graft and the technique used for the reconstruction of the residual crest. However, question of objective evaluation of such changes remains not fully resolved in dental practice. Objective. Analysis of bone substitutes dynamic...

Among the proposed USPHS criteria approved by FDI, the level of gloss and polishing of restorations plays a key role in preventing not only such complications as disocorporations or changes in their texture in the future, but also preventing secondary caries and sealing disintegration, since areas with high roughness play the role of retention poin...

Вступ. Використання віртуальних артикуляторів, що по суті представляють собою програмне забезпечення, значно підвищує ефективність планування та реалізація етапів комплексної стоматологічної реабілітації з можливістю повного переведення даних пацієнта (не тільки анатомічних, а й функціональних) у цифровий формат.Мета дослідження. Провести аналіз си...

The formation and development of the different dental markets and services, as well as numerous organizations with different forms of ownership, provoke the occurrence of quality control problem of various dental materials used in practice. Objective of research was to develop a method for the primary identification of changes in physical propertie...

Despite development of new methodological approaches there is still a problem of implementation various methods of age estimation at the different geographical regions due to the polyethnicity factor of population, as it is represented at the Transcarpathian region of Ukraine. Objective of research was to to modify and experimentally prove the effi...

Background. A significant portion in the structure of head and neck cancer epidemiology is represented by laryngeal cancer, death rate of which among the European countries ranges from 13.1 per 100,000 people in Hungary to 0.9 per 100,000 people in Sweden. Due to the data of previous epidemiologic studies, it is obvious that unequal gender distribu...

Background. Adaptive changes of residual peri-implant bone level occurring as the result of bone remodeling processes require clear objectification and categorization for the development of new methodological approach for evaluation the quality of dental implantation. Objective. To propose an alternative approach for the registration of peri-implan...

The article represents the results of experimental calculations of error ratio of vector models of digital panoramic X-rays photos using method of contrast trace contour for dental interventions during person identification. The calculations were performed on 112 patients’ panoramic X-ray photos in digital scale ratios of 1:1, 1:1,25, 1:1,32 with c...

Determination of biological age of a person plays a significant role in the forensic science, especially in the comparative and reconstructive identification antemortem and postmortem as recommended by Interpol / ICPO (International Criminal Police Organization) and FBI (Federal Bureau of Investigation). Bodies justice use the results to determine...