Vol 24, No 1 (2021)

Articles
TREATMENT OF INVASIVE CERVICAL RESORPTION OF MOLAR ROOT
Tsesis I.
Abstract
A characteristic of processes preceding the development of tooth root resorption and complications arising from the loss of dentin, cement and bone tissue is given. It is emphasized that periodontal infection, manifested on the radiograph in the form of a limited lacuna, leads to the development of resorption of the tooth root in 3.9% of all clinical cases. Prognosis of the result of treatment of root resorption caused by periodontal infection is often unfavorable, requiring removal of granulation tissue with subsequent repair of the defect by the sealing material. Surgery leads to significant destruction of periodontal and bone tissues, significantly worsening the prognosis of treatment. Results of own successful clinical experience of invasive cervical resorption of molar root by endodontic route are given. It has been confirmed that when devices emitting ionizing radiation are used for diagnostic purposes, it is justified only if the advantages significantly outweigh the risks. The diagnostic effect should be obviously higher than the risk of radiation-induced diseases. The optimal method providing a successful treatment result in a single patient is mechanical cleaning of the resorption lacuna through the endodontic access cavity followed by filling with a siler.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):4-13
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PATHOMORPHOLOGICAL CHANGES IN THE PERIODONTAL COMPLEX WITH PERIODONTITIS OF LIPOPOLYSACCHARIDE GENESIS
Shcherba V.V., Demkovych A.E.
Abstract
The purpose of our study was to elucidate the pathomorphological features of lesions in the rat’s periodontal complex with lipopolysaccharide endotoxin of gram-negative microflora. The experiments were carried out on male white rats. To simulate periodontitis, the animals were injected with E. Coli lipopolysaccharide, prepared histological sections, which, after preliminary decalcification, were stained with hematoxylin-eosin. The sampling of material for electron microscopic studies was carried out according to the generally accepted technique. Ultrathin sections made on an LKB-3 ultramicrotome were stained with a 1% aqueous solution of uranyl acetate, contrasted with lead citrate according to the Reynolds method, and studied under an electron microscope. The histological studies carried out revealed pronounced changes in the inflammatory nature of all constituent components. Microscopically, signs of gingival hyperkeratosis were found in the epithelial lamina, the basal layer contained predominantly pyknotic cells, and rarely mitotic figures. The thickness of the spinous layer decreased. Thinning of the epithelial lamina was noted in the areas of the furrow and attachment. Disruption of the epithelial attachment and the fibers of the circular connection led to the formation of a periodontal pocket, in which detrital masses, desquamated epithelial cells and leukocytes were found. There was a violation of the mineralization of the dental alveoli, focal lacunar resorption was determined. The periosteum was hyperplastic with proliferation of young osteoblasts. Submicroscopic studies of the structural components of the periodontal complex of animals with experimental periodontitis also revealed an increase in destructive changes. The zones of collagen fiber stratification, edema of the amorphous component of loose connective tissue were determined. Fragmented bundles of collagen fibers and amorphous intercellular substance of connective tissue were localized around the fibrocytes.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):14-17
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STUDY OF DENTAL MORBIDITY CHILDREN WITH CONGENITAL CLEFT LIP AND PALATE IN THE REGION WITH PETROCHEMICAL ECOTOXICANTS
Salikhov A.A., Kuchuk K.N., Bayburina E.K.
Abstract
Object. Dental examination and identification of features of dental status of children with congenital cleft lip and palate born and living in the region with industrial ecotoxicants. Target. Study dental morbidity in children with congenital cleft lip and palate living in the region with industrial ecotoxicants, compare the obtained data with a group of children with congenital cleft lip and palate from an environmentally friendly region. Materials and methods. The article presents the results of dental examination of 195 children with congenital cleft lip and palate, of which 108 children aged 3 years and 87 children aged 6 years. Children were divided into two groups depending on the place of birth and residence: 113 children were born and lived in regions with a developed petrochemical industry, 82 children from relatively environmentally friendly regions. Results. The data obtained by us indicate that children from regions with the petrochemical industry have higher rates of dental caries in the age groups 3 and 6 years old, there is a decrease in the resistance of tooth enamel, and periodontal diseases are more often noted. Conclusion. The results of the study made it possible to obtain clinical and dental data characterizing the negative impact of industrial petrochemical ecotoxicants on the condition of the dentate system of children with congenital cleft lip and palate, which is the justification for the development of methods for optimizing and improving the effectiveness of therapeutic and preventive measures in this group of patients.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):18-25
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CHARACTERISTICS OF CUTTING PROPERTIES OF BORON DURING PREPARATION OF STRUCTURES FROM SYNTERIZED ZIRCONIUM DIOXIDE
Rostovtsev V.V., Kryukova S.N., Stanislavchuk E.S., Malykhin D.V., Shishkin D.V.
Abstract
The information on advantages and difficulties of using dental crowns made of zirconia is summarized. To date, special diamond zirconium diamond borings have been developed to solve the problem of mechanical impact on synterized zircon. Due to their rather high cost, most dentists prefer to use standard diamond borings, neglecting minor shortcomings as processing. The purpose is to identify processes occurring on the working surface of boron and the surface of the orthopedic structure. It was found that the morphology of ceramic samples based on zirconia changes during mechanical action and depends on the type of boron used and the multiplicity of its use. Specialized Z-Rex series diamond boards withstand up to five cycles of application while maintaining operability. Boras with galvanoplastic fixation of the abrasive come into complete disrepair for the fifth use. The loss of the diamond layer of single-layer galvanic boron cannot be reliably controlled by the doctor during the operation, which makes it extremely risky.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):26-34
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CLINICAL-LABORATORY PARALLELS OF STRUCTURE OF NICKELTITAN ENDODONTIC INSTRUMENTS AND THEIR CLINICAL EFFECTIVENESS
Shumilovich B.R., Bishtova I.S., Khrenov D.E., Adunts L.M., Fonstein A.M.
Abstract
The HyFlex EDM (electric discharge machine) files are manufactured using electroerosion processing technology, which provides an unparalleled cutting working surface of files in combination with controlled shape memory. Due to the fact that the tool is in the working state in the crystallographic phase of martensite, the EDM HyFlex is characterized by a combination of flexibility and resistance to the plastic deformation process, as well as high resistance to cyclic load, which makes it possible to widely use "short" machining protocols including 2-3 files in clinical everyday endodontic practice. In addition, the manufacturing process makes it possible to pre-adapt them to correspond more effectively to the anatomical shape of the canal, which significantly reduces the risk of formation of a ledge, transport or perforation and ensures the safety of endodontic treatment.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):35-44
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THE ANTI-INFLAMMATORY SUPPORT OPTIMIZATION OF TRAUMATIC DENTAL OPERATIONS
Sarychev A.S., Alexeev D.V., Popova E.V., Sviridova L.L., Morozov A.N., Shalaev O.Y., Popov P.A.
Abstract
The article presents data of the original research on the development and empirical verification of an improved program of anti-inflammatory provision of dental interventions accompanied by trauma to the tissues of the dentoalveolar sphere and the oral cavity on a model example of surgical removal of a dystopic / impacted mandibular third molar. It was found that all topical patients who received anti-inflammatory support within the so-called «traditional approach» symptoms of local post-traumatic inflammation were highly pronounced. The scientific hypothesis of the study was that pre-emptive intravenous bolus administration of non-steroidal anti-inflammatory compounds - immediately before local anesthesia and subsequent dental intervention - leads to a fundamental reduction or prevention of local inflammatory manifestations. In fact, in the conditions of application of the developed program, just such results were obtained, while having a high level of statistical significance of differences in comparison with the «traditional approach», which was a confirmation of the scientific hypothesis put forward. The high availability of use, the statistical and clinical-pathogenetic significance of the results obtained allow us to recommend the developed program of anti-inflammatory support for implementation in the practice of dental health care.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):45-51
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THE VALUE OF AUTOFLUORESCENCE DENTOSCOPE IN THE DIAGNOSIS OF PRECANCEROUS AND CANCER OF THE ORAL MUCOSA
Postnikov A.M., Gabrielyan A.G., Kaganov O.I., Kirillova V.P., Shuhorova Y.A.
Abstract
Early diagnosis of cancer of the oral mucosa is still considered an unsolved and urgent problem of modern Oncology. An important role in this section is assigned to primary care physicians - dentists [7]. According to modern literature, early diagnosis is largely associated with late treatment and certainly the lack of cancer awareness among doctors of primary contact with the patient [5,6]. The lack of methodology and a clear algorithm for examination of patients with disease of the oral mucosa leads to both hyper and hypodiagnostics of precancerous and cancer in this area [3]. The use of autofluorescent methods for cancer diagnosis is currently a promising direction, because of the availability, non-invasive application and simplicity [5,6,8]. The article presents the results of a study of 27 outpatient cards of patients sent to the Samara Regional Clinical Oncology Clinic in the period from 2018 to 2019 to an oncologist with exophytic formations of the oral mucosa, who underwent autofluorescence dentoscopy to determine the foci of glow and subsequent incisional biopsy. The analysis of the coincidence of light illumination and histological conclusion after biopsy with subsequent evaluation of the effectiveness of autofluorescence dentoscopy in the diagnosis of precancerous and cancer.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):52-57
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CLINICAL AND LABORATORY SUBSTANTIATION OF THE EFFECTIVENESS OF TREATMENT OF INFLAMMATORY PERIODONTAL DISEASES WITH ADAPTOGEN-BASED DRUGS
Petrosyan A.E., Chirkova N.V., Antonyan A.B., Vecherkina Z.V.
Abstract
The number of patients with inflammatory periodontal diseases is growing daily. This is a prerequisite for the constant search for new drugs to treat these conditions. In most cases, modern drugs for the treatment of inflammatory periodontal diseases include substances that have antibacterial, anti-inflammatory, deodorizing, antiseptic, analgesic properties. Insufficient therapeutic effect, chronization of the process, as well as the progression of the disease certainly increases the relevance of the search for a new drug for the prevention and treatment of these conditions.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):58-61
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EXPERIENCE OF USING PHYSIODISPENSOR IN CONDITIONS OF OUTPATIENT ADMISSION IN SURGICAL DENTISTRY
Shumilovich B.R., Rostovtsev V.V., Lazutikov D.O.
Abstract
Advantages and controversial aspects of application of instruments creating a rotational moment in daily outpatient practice of a dentist-surgeon coupled with high invasiveness of interventions and presence of open wound surfaces were discussed. The authors share clinical experience of using an updated Implantmed physiodispensor that meets all basic standards and guidelines for use in operational, safe, easy-to-use applications.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):62-67
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PSYCHO-EMOTIONAL FACTOR IN PATHOGENESIS OF SEVERE FORMS OF RED FLAT DEPRIVATION OF ORAL MUCOSA AND RED LIP BORDER
Serikova O.V., Shumilovich B.R.
Abstract
Clinical features of the course of red flat deprivation (CPL) localized on the mucous membrane of the oral cavity are characterized by a chronic course, high resistance to therapy, and the possibility of transition to malignant forms. CPL is a visible cosmetic drawback, the probability of transition to malignant forms leads to the development of anxiety, defensiveness, social maladaptation in patients. The aim of the study is to study the psychoemotional state of patients with severe forms of CPL, to develop schemes for optimizing therapy regimens. Severe forms of CPL have been found to be characterized by a progressive increase in anxiety rates. Evaluation of the psychoemotional factor in such patients is necessary, in order to correct the increased level of anxiety, it is advisable to prescribe psychotropic (sedative) pharmacological drugs as part of integrated therapy.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):68-74
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METHOD OF ENAMEL LAYER CONSTRUCTION DURING DIRECT COMPOSITE RESTORATIONS OF FRONTAL GROUP OF TEETH WITH DIFFERENT COLOR INTERPRITATION
Shumilovich B.R., Krutikov D.V., Grigorov S.N., Malykhin D.V.
Abstract
A detailed clinical study was carried out, reflecting the complexity of constructing stages of work when performing direct restorations of teeth and the severity of the final result in terms of restoring functional characteristics and aesthetic requirements. It is emphasized that all composites are characterized by the "chameleon effect," which is always a decisive factor in the aesthetics of restoration restorations and is manifested by the ability of the composite to "gain color," adsorbing moisture during the day after treatment. The technology of tooth enamel restoration in different age groups of patients in accordance with the ratio of enamel maturity phases is described in detail. It was established that composites manufactured by Coltene/Whaledent meet the requirements for assessing the quality of restorations according to the Ryge criteria system and the International Organization for Quality Standardization, are quite widely represented on the domestic market. The quality of the restoration performed meets the expectations of the patient and the attending physician.
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):75-86
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Kachestvennoe universitetskoe i postdiplomnoe obrazovanie - zalog uspekha endodonticheskikh vmeshatel'stv
Tsesis I.
Abstract
Тема успешности эндодонтических вмешательств уже долгие годы не сходит со страниц стоматологической прессы. И чаще всего речь при этом идет либо о новых методиках лечения, либо о появлении новых материалов для обтурации корневых каналов и инструментария для их прохождения. Однако значительно реже в этом аспекте звучит тема важности специализированного профессионального образования врачей-эндодонтистов. Поговорить на эту тему с представителем ВГМУ им. Н.Н. Бурденко согласился известный во всем мире Игорь Цесис - профессор, заведующий кафедрой эндодонтии Университета Тель-Авива, автор нескольких учебников, получивших широкое признание, и множества статей в престижных международных журналах. Итак, каково реальное положение дел в эндодонтии сегодня? Что можно сделать, чтобы увеличить процент успеха эндодонтических вмешательств? Нужно ли врачам продолжительное постдипломное образование? Есть ли практический смысл в посещении лекций и мастер-классов? Об этом и многом другом рассказывает наш гость Игорь Цесис...
Applied Information Aspects of Medicine (Prikladnye informacionnye aspekty mediciny). 2021;24(1):87-91
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