Stomatologiya最新文献

{"title":"[Photopolymerizable compositions for bone tissue regeneration].","authors":"V S Kuznetsova, A V Vasilyev, I S Rudik, A V Mironov, F F Losev","doi":"10.17116/stomat202410306258","DOIUrl":"https://doi.org/10.17116/stomat202410306258","url":null,"abstract":"<p><p>The review considers methods of manufacturing photopolymerizable compositions for bone tissue repair, as well as polymers and photoinitiators used for this purpose. Their physical and biological properties are described. Examples of light-curing compositions used in biomedicine and tissue engineering are given. The prospects of photopolymerization development for the production of materials for bone tissue regeneration as a promising technology for application in dentistry, maxillofacial surgery and orthopedics are considered.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 6. Vyp. 2","pages":"58-63"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143013138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Prevention of periodontal inflammation in microgravity modeling].","authors":"L S Prokopovich, V K Ilyin, A Y Drobyshev","doi":"10.17116/stomat202410306223","DOIUrl":"https://doi.org/10.17116/stomat202410306223","url":null,"abstract":"<p><strong>The purpose: </strong>Of the study was to assess oral microbiocenosis changes in participants of microgravity modeling in a control group and using prophylaxis in the form of a probiotic supplement with 1.0·10⁹ CFU of <i>Streptococcus salivarius</i> strain in one lozenge and a dairy product containing not less than 1·10⁷ CFU of <i>Streptococcus salivarius subsp. thermophilu</i>s strain in one gram.</p><p><strong>Materials and methods: </strong>The study included 15 participants aged 25-40 years from the \"Dry Immersion-2018\" experiment. Five participants were included in the control group, while 10 participants were divided into 3 prophylactic groups: group I with 3 people (1 glass of dairy after evening teethbrushing and 1 glass of dairy after breakfast and teethbrushing). Group II with 3 people dissolving 1 probiotic lozenge at bedtime after teethbrushing and 1 lozenge after breakfast and teethbrushing. Group III with 4 people tested the synergism of protective streptococcus strains according to the scheme: 1 glass of dairy before nightsleep after teethbrushing and 2 probiotic lozenges under the tongue during the day. Changes were assessed by the dynamics of the Eubiotic Index and the Community Periodontal Index of Treatment Need (CPITN).</p><p><strong>Results: </strong>A significant deterioration of the periodontal condition was recorded in the control group: a growth of supragingival and subgingival tartar, bleeding gums, and a growth of pathogenic microflora. In all three prophylactic groups, a positive shift was detected in Eubiotic Index. In groups I and II there were no changes on CPITN index scale, and in group III an improvement in periodontal condition was recorded.</p><p><strong>Conclusion: </strong>The probiotic drug showed a positive prophylactic effect and found synergy with the dairy product based on the <i>Streptococcus salivarius subsp. thermophilus</i> strain.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 6. Vyp. 2","pages":"23-28"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143013139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Constructive complications in dental implantology (clinical case series)].","authors":"F F Losev, T V Braylovskaya, M S Kotik","doi":"10.17116/stomat202410303150","DOIUrl":"10.17116/stomat202410303150","url":null,"abstract":"<p><p>The aim the study. Analyze errors in planning orthopedic treatment using dental implants using the example of clinical cases.</p><p><strong>Materials and methods: </strong>Two patients are presented who applied for a consultation at the orthopedic and surgical department of the Federal State Budgetary Institution National Medical Research Center Central Research Institute of Chronic and Peripheral Surgery of the Russian Ministry of Health regarding a fracture of a previously installed orthopedic structure on an implant. For diagnostic purposes, computed tomography was performed to determine the condition of the implants and teeth of the upper and lower jaws.</p><p><strong>Results: </strong>The patients were found to have: a fracture of an implant 4.0*10 with a single orthopedic structure in the area of tooth 4.6 (the patient did not undergo restoration of the missing tooth 4.7 in the presence of an antagonist), a fracture of small diameter implants (3.5*9) in the area of 3.6, 3.7, prosthetic combined orthopedic crowns.</p><p><strong>Conclusions: </strong>During surgical and orthopedic treatment of patients, it is necessary to strictly follow the instructions developed by the manufacturer of dental implants and the STaR recommendations.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 3","pages":"50-55"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141433012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Dystrophic calcification of the parotid salivary glands in Sjogren's disease].","authors":"A Ya Razumova, A I Yaremenko, S I Kutukova, N L Petrov","doi":"10.17116/stomat202410303156","DOIUrl":"10.17116/stomat202410303156","url":null,"abstract":"<p><p>This article discusses a rare clinical case of differential diagnosis between salivary stone disease and calcinosis, which developed against the background of autoimmune pathology. Diagnosis of these pathologies causes difficulties for practitioners, and treatment methods have fundamental differences. In this regard, the description of this case is relevant and significant. The algorithm of the main and additional research methods to confirm the diagnosis is described.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 3","pages":"56-58"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141433014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[A clinical case of maxillofacial dirofilariasis in a child].","authors":"O Z Topol'nitskiy, D A Lezhnev, V V Matunin, L A Plieva, M T Pershikova, R N Fedotov","doi":"10.17116/stomat202410305146","DOIUrl":"10.17116/stomat202410305146","url":null,"abstract":"<p><p>The article presents a clinical case of surgical treatment of dirofilariasis in the maxillofacial region in a child. Diagnosis is difficult due to the complex mechanism of transmission, long incubation period and polymorphism of symptoms. The method of ultrasonic diagnosis allows the most accurate and clear verification of the diagnosis (the presence of a dense capsule, in the lumen of which linear hyperechogenic moving structures are determined). Treatment of dirofilariasis is only surgical - excision of the capsule with the helminth within healthy tissues with subsequent pathomorphologic examination and clarifying of the etiology of the parasite.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 5","pages":"46-50"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142476553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Coronectomy as a surgical treatment of impacted lower molars with mandibular canal close relationship].","authors":"A V Kuzin, A P Vedyaeva, V V Sogacheva, G V Remizov, A I Potapova","doi":"10.17116/stomat202410305163","DOIUrl":"10.17116/stomat202410305163","url":null,"abstract":"<p><p>Searching for third molars atraumatic removal method remains a challenge in oral surgery. Method of partial removal of impacted tooth leaving a non-extracted root in the wound becomes more popular recently. Determining medical indications for this method, as well as searching for standards for its implementation is important. The paper presents a review on latest technique of performing a coronectomy, and the long-term results of this method. However, the technique of incomplete tooth extraction is highly controversial in terms of harm to the patient's health. There are also uncertain medical indications for this method and the legal treatment consequences.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 5","pages":"63-66"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142476555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Elimination of defects in the Schneiderian membrane during sinus lift operations].","authors":"S S Ivanov, A A Muraev, R F Muhametshin, S Ju Ivanov, S A Sudiev, D Gahri, N F Jamurkova","doi":"10.17116/stomat202410301131","DOIUrl":"10.17116/stomat202410301131","url":null,"abstract":"<p><strong>Purpose: </strong>Evaluation of the effectiveness of a new method of plasty of an extensive defect in the mucous membrane of the Schneiderian membrane, which occurs during the sinus lift operation, using an artificial collagen membrane and a developed method for fixing it.</p><p><strong>Material and methods: </strong>A total of 188 patients took part in the study, all of these patients underwent an open sinus lift operation with simultaneous or delayed implantation. Operations were performed under balanced anesthesia. Six months after the operation, according to computed tomography, the height of the formed bone regenerate was estimated. In the area of each missing tooth, the initial bone height and the resulting bone grafting were assessed. Then we compared the average values before and after the operation, the average height difference before and after the operation.</p><p><strong>Results: </strong>In 19 patients during the sinus lift there was an accidental extensive rupture of the mucous membrane of the maxillary sinus. Elimination of the mucosal defect was carried out according to our patented method. All 188 patients were diagnosed with partial loss of teeth with bone tissue deficiency in the distal maxillary sinus. The height of the alveolar process in the projection of missing teeth ranged from 0.5 mm to 5 mm. Delayed dental implantation was performed when the height of the alveolar bone was less than 3 mm, direct when the presence of 3-5 mm. After 6 months, dental implants were installed in the reconstruction zone, after another 6 months - rational prosthetics.</p><p><strong>Conclusions: </strong>The proposed method of plastic surgery has the following advantages. Firstly, it allows to eliminate the defect of the mucous membrane together with an increase in the height of the alveolar ridge. Secondly, after this method, the integrity of the mucous membrane will be restored. Thirdly, with an alveolar bone height of 3 mm or more, dental implants should also be installed.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 1","pages":"31-34"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139900536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Physical and mechanical properties of materials used in the technology of computer production of surgical templates].","authors":"D S Sarkisov, A G Stepanov, S V Apresyan","doi":"10.17116/stomat20241030118","DOIUrl":"10.17116/stomat20241030118","url":null,"abstract":"<p><strong>Objective: </strong>The physical and mechanical properties of samples printed from different materials subjected to post-processing in a clinic were evaluated.</p><p><strong>Material and methods: </strong>Studied hardness and modulus of elasticity before and after sterilization by autoclaving. Based on the analysis of the literature and monitoring of the dental materials market, our choice fell on the most popular materials for 3D printing of surgical templates for dental implantation, such as: material 1 (FormLabs Dental SG Resin (Formlabs, USA)) and material 2 (NextDent SG (NextDent, Netherlands)). In connection with the events of recent years, we also took into the study a domestically produced polymer - material 3 (HARZLabs Yellow Clear PRO (HARZLabs, Russia)).</p><p><strong>Results: </strong>As a result of the study, it was found that in each of the groups of materials studied, the values of the elastic modulus of sterilized samples are higher than the elastic modulus of samples that have not undergone sterilization. According to GOST 31572-2012 (ISO 1567:1999 Polymeric materials for denture bases, non-sterilized samples of group 2 are considered not to have passed the test, since all three samples of the studied group have a crack resistance index of less than 1 MN/m1.5. Crack resistance index of sterilized samples of the group of materials 2 is also close to 1. Samples of group 1 (both sterilized and non-sterilized) have the highest crack resistance. This group also has the highest flexural strength. On non-sterilized samples of material 1, there was no crack initiation along the cut and groove. The samples of other groups were mainly destroyed along the axis of the groove.</p><p><strong>Conclusion: </strong>Analyzing the obtained data and considering that all studies carried out were in accordance with dental standards, the researchers concluded that the increase in flexural strength after sterilization by autoclaving and the feasibility of using material 1 for the production of surgical templates in accordance with all manufacturer's recommendations.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 1","pages":"8-11"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139900584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[The choice of method of surgical treatment of velopharyngeal insufficiency].","authors":"V A Pavlovich, T Z Chkadua, A I Anelikov","doi":"10.17116/stomat202410304137","DOIUrl":"https://doi.org/10.17116/stomat202410304137","url":null,"abstract":"<p><strong>Objective: </strong>To establish the criteria for selecting surgical treatments for velopharyngeal disfunction and to evaluate their effectiveness.</p><p><p>Materials and Methods. 34 patients with velopharyngeal insufficiency underwent surgery at the National Medical Research Center for Surgery and Maxillofacial Surgery. Five common surgical methods for treating velopharyngeal disfunction were employed.</p><p><strong>Results: </strong>The choice of surgery was primarily based on the anatomical and functional state of the muscle lifting the soft palate, specifically its position, which was determined visually or by MRI. Repositioning of the muscle helped to improve or restore speech in patients with velopharyngeal disfunction through surgeries such as secondary cleft revision, Furlow's palatoplasty, and triangular miomucosal flaps. In cases of soft palate palsy or correct positioning of the m. levator veli palatini, the focus of surgical treatment shifted to the pharynx, where surgeries like pharyngoplasty with a posterior pharyngeal flap and Hynes pharyngoplasties were performed. These also improved or restored speech in patients, though more towards improvement than complete restoration. If the muscle's position was optimal, the choice of treatment method subsequently depended on the results of additional nasopharyngoscopy: determining the size of the opening and the type of velopharyngeal closure. Besides the common methods used for speech management, various surgical procedures were combined based on the clinical situation.</p><p><strong>Conclusion: </strong>The position of the levator muscle is very important for its function. The optimal treatment for velopharyngeal disfunction, especially in patients with large openings, involved using a buccal flap alone or in combination with triangular mucosal-muscle flaps, where the highest percentage of normal speech rate was achieved.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 4","pages":"37-43"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142018975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"[Assessment of the condition of organs and tissues of the oral cavity in people with dentition defects against the background of metabolic syndrome].","authors":"A A Stafeev, I A Viktorova, A V Khizhuk","doi":"10.17116/stomat202410303131","DOIUrl":"https://doi.org/10.17116/stomat202410303131","url":null,"abstract":"<p><strong>Objective: </strong>The aim of the study is comparative analysis of the condition of oral organs and tissues in people with metabolic syndrome (MS) of varying severity before orthopedic dental rehabilitation based on dental implants.</p><p><strong>Material and methods: </strong>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. Groups 1 and 2 included individuals with excess body weight and MS. The control group consisted of 88 people without MS. An index assessment of the condition of the periodontium and tissue structures of the alveolar bone (according to cone-beam computed tomography), microcirculation in the gingival mucosa was carried out using laser Doppler flowmetry.</p><p><strong>Results: </strong>The analysis of the periodontal condition indicators showed that in all groups of patients with MS, periodontal pathology occurred, the value of which was significantly higher than in patients of the control group (<i>p</i> <0.05). The analysis of bone tissue according to CBCT data showed that the most favorable conditions (type 1 and type 2 of bone according to Misch) for dental implantation are found in people without MS, respectively 3.5% and 35.1% of cases. The intensity of blood flow (σ) was 21.2% lower in group 1 and 48% in group 2, compared with the control group. Vasomotor activity (Kv) was 13.2% lower in the first group and 35% lower in the second group. A decrease in amplitudes in the area of all rhythms in the LDF gram was found: low-frequency - by 15.6%, high-frequency - by 16.9%, pulse - by 3.6%.</p><p><strong>Conclusion: </strong>Changes occurring in the organs and tissues of the mouth against the background of MS of varying severity lead to a decrease in tissue perfusion with blood and blood flow activity, a local decrease in bone density, and as a result, pathological changes in periodontal tissues. Before performing dental rehabilitation, it is necessary to take into account all the risks of possible complications caused by the general condition of organs and systems of people with MS.</p>","PeriodicalId":35887,"journal":{"name":"Stomatologiya","volume":"103 3","pages":"31-38"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141433011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}