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Journal articles on the topic 'Root channels tooth'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Tiwari, Sanjay Kumar. "ENDODONTIC MICROSURGERY: NEW PROSPECTIVE TO DEAL WITH FAILED ROOT CANAL TREATMENT." Journal of Chitwan Medical College 9, no. 4 (2019): 1. http://dx.doi.org/10.54530/jcmc.107.

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Dental pulp is sterile structure which becomes contaminated when bacteria from oral cavity invade inside, colonized and produce immune stimulatory compounds those gets leaked to periapical area through apical foramen. The stimulated immune system starts inflammatory reaction which is observed as bone loss in periapical area on radiographs. Root canal treatment (RCT) is performed to eradicate bacteria from root canal. With evolution of new technologies and new materials, the RCT has become most predictable with success rate ranging from 82-95%. Despite of high success rate, the failure st

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2

Nazaryan, R. S., Yu V. Fomenko, N. A. Shcheblikina, et al. "Key to success in endodontics (part 2)." Experimental and Clinical Dentistry 06-07, no. 1-2 (2019): 31–37. http://dx.doi.org/10.35339/ecd.2019.1-2.31-37.

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Plenty variants of the teeth endodontic structure requires a thorough study of the root canal anatomy and morphology peculiarities, which will make it possible to estimate the volume and complexity of future endodontic intervention, make a prediction of the treatment result, and forecast possible complications. For an objective assessment of the tooth root system anatomical and morphological features, the main method is x-ray examination. Endodontic treatment planning requires the doctor to estimate his capabilities (in difficult cases, it is necessary to refer the patient to a specialized cli

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Moiseev, Denis, Vitalij Rumyantsev, Sergey Volkov, Maria Kulyukina, and Anton Konov. "MORPHOLOGICAL ASPECTS OF THE RELATIONSHIP BETWEEN PERIODONTAL TISSUES AND DENTAL PULP." Actual problems in dentistry 17, no. 2 (2021): 77–83. http://dx.doi.org/10.18481/2077-7566-20-17-2-77-83.

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Researchers are currently paying more and more attention to the combined pathology of the tooth pulp and periodontal. At the same time, the peculiarities of the structure of the alveolar bone, the cement of the tooth root and the root canal system that cause their interrelation and mutual influence remain insufficiently studied. The main elements of the connection between the pulp and periodontal tissues are not only apical openings and additional channels, but also other ways of interaction, the study of which is of great interest for understanding the features of pathogenesis, prognosis and

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Golova, V. L. "REMOVAL OF BROKEN INSTRUMENTS FROM ROOT CANALS: ULTRASONIC ANALYSIS AND ITS EFFECTIVENESS." MEDICUS, no. 1 (67) (January 15, 2025): 45–48. https://doi.org/10.70546/2409-563x-2025-1(67)-45-48.

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The goal is to evaluate the effectiveness of methods for extracting broken files from root canals and their impact on tooth strength. Materials and methods. The study used 25 chlorhexidine-treated double-rooted maxillary premolars. Samples were divided into experimental and control groups. The experimental group underwent complex procedures for extracting damaged instruments with various localizations, the results of which were analyzed using statistical methods. Results. In the experimental group, 80% of broken instruments were successfully extracted, especially effectively in the middle part

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Sudha Mattigatti. "Cone Beam Computed Tomography (Cbct) and Endodontic Microscopic Assessment of C-Shaped Canal Systems in Mandibular Second Molars." International Journal of Research in Pharmaceutical Sciences 11, no. 3 (2020): 3999–4005. http://dx.doi.org/10.26452/ijrps.v11i3.2595.

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By knowing the anatomy of the tooth including root canal, dentists also have gathered physiologically anomalous requirements for effective root canal treatment. An exceptional morphology is present in the root canal system known as the C-shaped root network. A substantial volume of evidence already has come out on C-shaped root canal systems. The analysis provides an extensive description of root through root canals in the form of C. Characteristics of this exceptional morphology were studied mainly focused on macroscopic, microscopic and functional measurements including odontogenetic tooth s

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Ivanova, E. V., E. G. Sabantseva, and E. V. Korsakova. "The use of modern technologies and the machine system Reciproc (VDW) during the revision of the root canals of a tooth with apical periodontitis: a case report." Endodontics Today 21, no. 4 (2024): 299–304. http://dx.doi.org/10.36377/1683-2981-2023-21-4-299-304.

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Endodontic retreatment in most cases is indicated with the development of apical periodontitis in teeth with previously treated root canals. This treatment is complicated by the fact that the root canals can be lined with any material: guttapercha pins, paste, cement, anchor and fiberglass pins, resorcinol-formalin paste, fragments of tools can be located in the channels at any level and root canal transportation can occur. The choice of endodontic treatment or tooth extraction is always before dentists. The availability of modern machine files, ultrasound attachments, filling materials and X–

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Perepelytsia, O. M. "Segmentation of dental X-ray in endodontic treatment." Biophysical Bulletin, no. 45 (August 5, 2021): 21–31. http://dx.doi.org/10.26565/2075-3810-2021-45-02.

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Background: The basis of successful endodontic treatment is the correct determination of the working length of the root canal (the distance between the external landmark on the crown of the tooth to the apical border). An apical constriction zone is recommended as a border for root canal treatment and filling. Intraoral radiograph allows you to obtain information about the direction of bending of the root canals, as well as to determine the working length. However, the radiograph is a two-dimensional total image and does not reproduce the entire anatomy of the apical part of the root therefore

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8

Koval, O. I. "Determination of indications for the treatment of temporary teeth in conditions of general anesthesia in preschool children by equipping the study of indicators of oxygen saturation of the brain using the method of cerebral oximetry." Reports of Vinnytsia National Medical University 23, no. 4 (2019): 582–93. http://dx.doi.org/10.31393/reports-vnmedical-2019-23(4)-05.

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Annotation. A common problem at the dental appointment with different treatment methods (without general anesthesia and general anesthesia) is the risk of cognitive dysfunctions against the background of hypoxic brain damage in children: in the first case, against the background of stress, in the other, against the background of general anesthesia. The purpose of the study — to determine indications for the treatment of temporary teeth at the stages of growth and stabilization in conditions of general anesthesia in preschool children based on the study of oxygen saturation indicators of the br

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9

Новак, Н. В. "Complications after Tooth Bruise." Стоматология. Эстетика. Инновации, no. 2 (May 31, 2022): 163–72. http://dx.doi.org/10.34883/pi.2022.6.2.007.

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Введение. Ушиб зуба – закрытое механическое повреждение зуба без нарушения его анатомической целости.Цель исследования. Выявление осложнений, возникших после ушиба зуба. Материалы и методы. Была выделена клиническая группа пациентов (46 человек), имеющих травмы передних зубов.Результаты. В первые дни после острой травмы пациенты отмечали боль при накусывании и перкуссии зуба в 92,1±2,50% случаев. Отмечено снижение электровозбудимости пульпы в первые 7–10 дней после острой травмы. Некроз пульпы зарегистрирован в 1,4±0,16% случаев. Наличие трещин после ушиба было отмечено в 22,3±1,15% зубов.Иссл

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10

Griroriev, Sergey, Dina Sorokoumova, and Pavel Kudinov. "PERIAPICAL ABSCESS WITH FISTULA COMPLICATED BY MAXILLARY SINUSITIS (CLINICAL CASE)." Actual problems in dentistry 17, no. 4 (2022): 39–43. http://dx.doi.org/10.18481/2077-7566-21-17-4-39-43.

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Subject. Chronic odontogenic maxillary sinusitis is an inflammatory disease of the mucous membrane of the maxillary sinus caused by an odontogenic infection. According to foreign sources, this disease occurs in 14-20% of the world's population. Sinusitis of odontogenic etiology account for up to 40% of all inflammatory diseases of the maxillary sinus. Biofilm, the root cause of apical periodontitis and odontogenic sinusitis, is resistant to the isolated effects of most medications. The combination of mechanical removal and irrigation in most cases leads to a sufficient reduction in microbial l

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Sidash, Yu V., O. P. Kostyrenko, and V. N. Petrushanko. "EXPERIMENTAL STUDY OF FURCATION AREA AND PROSPECTS OF ITS COMPLEX TREATMENT." Ukrainian Dental Almanac, no. 2 (June 29, 2021): 49–53. http://dx.doi.org/10.31718/2409-0255.2.2021.09.

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Relevance. The issue of quality endodontic treatment of teeth with complicated caries is still known as requiring thoughtful research. A significant percentage of periodontitis occurs in the area of furcations of multi-rooted teeth, sometimes alone, but more often as combined with apical periodontitis. Among the number of unsolved tasks, there is question about furcation areas and in particularly their antiseptic treatment and obturation in the complex treatment of chronic apical periodontitis of multi-rooted teeth. Aim: to investigate the histo-morphological features of the furcation ar

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Shaikh, ShoebYakub, Shahnawaz Mulani, and SafiaShoeb Shaikh. "Stress Distribution on Root Dentin Analogous to Natural Teeth with Various Retentive Channels Design on the Face of the Root with Minimal or No Coronal Tooth Structure: A Finite Element Analysis." Contemporary Clinical Dentistry 9, no. 4 (2018): 630. http://dx.doi.org/10.4103/ccd.ccd_536_18.

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13

Rispler-chaim, Vardit. "The Siwāk: A Medieval Islamic Contribution to Dental Care." Journal of the Royal Asiatic Society 2, no. 1 (1992): 13–20. http://dx.doi.org/10.1017/s1356186300001772.

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The siwāk or miswāk (pi. masāwīk) is often mentioned as a symbol for the emphasis given in medieval Islam to dental health. Although not mentioned in the Qur'ān—the prime source of legitimacy in Islam—the siwāk gained popularity through being attributed to the daily practice of the Prophet Muhammad whose advanced understanding of preventive dentistry is lauded as being only part of his general concern with preventive medicine. Even on his death bed the Prophet is said not to have given up the use of the siwāk, since he always ordered Muslims to “purify your mouths for they are the channels thr

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14

Muralinath, E., Naidu K. Mohan, Prasad Ch Srinivas, et al. "The Impact of Nicotinic Receptors on Drug Therapies in Dentistry." Journal of Research and Reviews in Dental Sciences 1, no. 1 (2024): 12–15. https://doi.org/10.5281/zenodo.11065980.

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<em>Nicotinic receptors are seen in the central nervous system ( CNS ), Peripheral nervous system, ( PNS ) and neuro muscular junctions, making them pivotal in dental procedures that involve pain management, anesthesia and muscle relaxation. Their interaction with drugs can impact the efficacy in a significant manner and safety of dental treatments. In dentistry, local anesthetics are frequently used to create a momentary numbness and lessen pain during procedures like root canal therapy and tooth extractions. These agents primarily perform by blocking sodium channels, thereby stopping nerve c

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Тулегенова, И. М., М. Т. Копбаева, К. Д. Алтынбеков, Ж. А. Ризаев та Б. А. Омарова. "CИСТЕМА МОРФОЛОГИИ КОРНЕВЫХ КАНАЛОВ И ПРЕПАРАТЫ, ПРИМЕНЯЕМЫЕ ДЛЯ ИРРИГАЦИИ ПРИ ХРОНИЧЕСКОМ АПИКАЛЬНОМ ПЕРИОДОНТИТЕ". Наука и здравоохранение, № 6(25) (28 грудня 2023): 235–45. http://dx.doi.org/10.34689/sh.2023.25.6.026.

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Введение. Хронический апикальный периодонтит (ХАП) развивается вследствие осложнения пульпита и поражает ткани периодонта. Этот диагноз занимает третье место по встречаемости среди заболеваний полости рта и является основной причиной удаления зуба. Один из факторов возникновения ХАП – недостаточное знание специалистами особенностей анатомии корневых каналов и способов медикаментозной обработки при эндодонтическом лечении, что является предметом рассмотрения в данной обзорной статье. Цель статьи – провести анализ современной литературы по изучению морфологии корневых каналов в зависимости от по

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Mrinalini, Mrinalini, Urvashi B. Sodvadiya, Mithra N. Hegde, and Gowrish S. Bhat. "An Update on Dentinal Hypersensitivity - Aetiology to Management – A Review." Journal of Evolution of Medical and Dental Sciences 10, no. 37 (2021): 3289–93. http://dx.doi.org/10.14260/jemds/2021/667.

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BACKGROUND Dentinal hypersensitivity is a common clinical disease that occurs as a result of dentin exposure. Though the term dentin hypersensitivity and dentin sensitivity is used interchangeably, dentin hypersensitivity is an exaggerated form of dentinal sensitivity which arises due to localized pulpal inflammation, pulpal nerve sprouting, and development of inflammatory sodium channels. It is characterised by short sharp pain emerging from exposed dentinal tubules in reaction to various stimuli. Such dentin exposure could be due to either enamel loss or cemental loss. This is followed by re

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17

Dolya, E. I., and A. Yu Nikonov. "Changes in the Stress-Strain State of a Tooth with Root Perforation." Kharkiv Dental Journal, no. 1 (June 28, 2024): 5–12. https://doi.org/10.26565/3083-5607-2024-1-01.

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Background. One of the most common complications during mechanical processing of the tooth cavity and root canals is perforation of the bottom or walls of the tooth cavity, as well as perforation of the root canal. As a result of perforation and resulting stress concentration in the hard tissues of the tooth, inflammatory and destructive processes develop in the periodontium and jaw bone. Purpose – study of the influence of the features of the stress-deformed state of a multirooted tooth with perforation of hard tissues in the bifurcation area. Materials and Methods. The stress-strain state of

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Shugaylov, Igor A., A. A. Maksimenko, M. Z. Mirgazizov, and E. V. Glazkova. "SPECTRAL-FLUORESCENT STUDIES OF EXOGENOUS FLUORESCENCE OF TOOTH TISSUES AFTER INTRA-CHANNEL ADMINISTRATION OF THE CHLORIN SERIES PHOTOSENSITIZER." Russian Journal of Dentistry 23, no. 2 (2019): 48–51. http://dx.doi.org/10.18821/1728-2802-2019-23-2-48-51.

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The aim of current work was study of spreading chlorine photosentitizer in tooth tissues after its injection root canal. Study was held with help of local fluorescent spectroscopy method. Laser radiation with 408 nm letgth was used for stimulation of exogenic fluorescence of photosentitizer. After injection photosentitizer in root canal good spreading in microchannels and the whole volume of tooth was shown.

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Petrikas, A. Zh, E. V. Chestnyh, A. Yu Karpenkov, et al. "Dependence of electrodontometry indicators on the configuration of the root canal." Endodontics Today 20, no. 3 (2022): 204–10. http://dx.doi.org/10.36377/1726-7242-2022-20-3-204-210.

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Aim. To assess the dependence of electrodontometry indicators on the configuration of the root canal and to determine the value of the resultant action of the current at which patients have a response to electrodontometry.Materials and methods. The research consisted in the creation of computer models of teeth and their analysis by the finite element method in the COMSOL Multiphysics program. The removed tooth 2.2 was chosen as a prototype for 3D computer models. The tooth was dissected into fragments 2 millimeters thick, from which the geometric parameters of hard tissues and the position of

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Chen, Xueli, Zhengying Wei, and Kun He. "An Estimation of the Discharge Exponent of a Drip Irrigation Emitter by Response Surface Methodology and Machine Learning." Water 14, no. 7 (2022): 1034. http://dx.doi.org/10.3390/w14071034.

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The discharge exponent is a general index used to evaluate the hydraulic performance of emitters, which is affected by emitters’ structural parameters. Accurately estimating the effect of change in structural parameters on the discharge exponent is critical for the design and optimization of emitters. In this research, the response surface methodology (RSM) and two machine learning models, the artificial neural network (ANN) and support vector regression (SVR), are used to predict the discharge exponent of tooth-shaped labyrinth channel emitters. The input parameters consist of the number of c

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Nakai, Shin, Yukio Maeda, Daisuke Goto, et al. "Influence of Micro End Mill Tool Run-Out on Machining Accuracy." Key Engineering Materials 749 (August 2017): 21–26. http://dx.doi.org/10.4028/www.scientific.net/kem.749.21.

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Micro-channel chips used in micro total analysis systems have been attracting attention in the medical field. Photolithography, which is a technology used in semiconductor manufacturing, is used to manufacture micro-channel chip dies. This technology requires many processes, such as making photomasks, applying photoresist to a substrate, and the availability of expensive clean-room facilities. Micro-channel chips have ‘micro-channels,’ which are micro-grooves having a width of 30–100 μm. These fine grooves require high accuracy in manufacture; for example, the surface roughness on the bottom f

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Durova, A. V., and V. D. Panteleev. "COMPARATIVE EVALUATION OF ADHESION OF CEMENTS FOR PIN DESIGNS TO THE SURFACE OF DENTIN AFTER ROOT CANAL TEMPORARY FILLING TOOTH OSTEOTROPIC MATERIAL." Russian Journal of Dentistry 21, no. 2 (2017): 60–63. http://dx.doi.org/10.18821/1728-28022016;21(2):60-63.

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This publication presents the results of laboratory studies of the effects of temporary filling material based on hydroxyapatite and tricalcium phosphate on the adhesion in the root canal pins and pinlay core, fixed on the composite glass ionomer cements. It was revealed that a temporary application of paste in the channel does not affect the quality of the attachment strength of prosthetic used in post endodontic restoration of the tooth.

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Goto, Daisuke, Yukio Maeda, Hideaki Tanaka, Kazuya Kato, and Takanori Yazawa. "Influence of Tool Run-Out on Machining Accuracy with Multi-Tooth Endmill." International Journal of Automation Technology 10, no. 5 (2016): 759–66. http://dx.doi.org/10.20965/ijat.2016.p0759.

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Micro-channel chips, which are used in micro total analysis systems, are attracting attention in the medical field. The photolithography technology used in semiconductor manufacturing is generally used to manufacture micro-channel chip dies. However, this technology requires many processes, such as mask fabrication and the application of photoresist to a substrate, as well as expensive clean room facilities. Therefore, this study examines an approach to form a fine groove by cutting with micro-endmills, and experimentally examined a method for reducing the influence of tool run-out on machinin

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Girja Sharan and Hari Prakash. "Dew Condensation on Greenhouse Roof at Kothara (Kutch)." Journal of Agricultural Engineering (India) 40, no. 4 (2003): 75–76. http://dx.doi.org/10.52151/jae2003404.1060.

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Kothara, the site of our greenhouse installation is 85 km west of Bhuj (23° 15'N, 69° 48'E). Dew condensation on greenhouse cladding and assorted other surfaces at the site was frequently noticed. Accordingly, arrangement was made to measure the quantity of condensation. Greenhouse is a saw-tooth structure of 6 m span and 20 m length. It is east-west oriented. Area of the slightly curved roof surface is 124 m2• Condensate flows down the roof and north face into a rectangular channel set at the base along the length. A pit was dug into the ground at each end of the channel. A bucket was placed

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Караков, Карен, Karen Karakov, Эмилия Хачатурян, et al. "MODERN VIEW ON ANTIBACTERIAL TREATMENT OF A ROOT CHANNEL WITH A BREAK-OFF OF ENDODONTIC TOOL." Actual problems in dentistry 15, no. 1 (2019): 23–27. http://dx.doi.org/10.18481/2077-7566-2019-15-1-23-27.

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Importance. Currently, endodontic dental treatment is a complex manual process that requires in-depth knowledge of the anatomy of the crown and root part of the tooth, all this is necessary, as is a three-dimensional assessment of the structure of the pulp chamber of the root canal system, using modern technologies. In other words, a favorable result of endodontic treatment can be achieved in case of correct formation of access to the root canals and the qualitative removal of any inflamed, infected, degeneratively altered and necrotized pulp tissues. Objectives ― the study of the antiba

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*Dr., Hira Qaisrani *Dr. Um E. Rubab *Dr. Anam Shahzad. "EVALUATE THE TECHNICAL QUALITY OF ROOT CANAL TREATMENT RADIOGRAPHICALLY DONE BY THE HOUSE SURGEONS." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 11 (2018): 11471–75. https://doi.org/10.5281/zenodo.1478707.

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<strong><em>Objective: </em></strong><em>The aim of this study was to evaluate the technical quality of root canal treatment by house surgeons in a dentistry hospital.</em> <strong><em>Study Design: </em></strong><em>A Pilot Study.</em> <strong><em>Location and duration: </em></strong><em>In the Dental Department of Lahore Medical and Dental College, Lahore for one year duration from September 2016 to September 2017.</em> <strong><em>Methods: </em></strong><em>To determine the adequacy of the treatment, radiographic recordings of 64 teeth treated with root canal were analyzed. The last sample

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Degasyuk, V. "Type 3 Dens Invagination. Diagnosis and comprehensive treatment." SUCHASNA STOMATOLOHIYA 105, no. 1 (2021): 30–35. http://dx.doi.org/10.33295/1992-576x-2021-1-30.

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Object: researching the combination of endodontic and surgical treatment of a tooth with developing dens invaginatus pathology. Materials and methods. X-ray diagnostics were performed with the Veraview X800 Morita. Irrigation with sodium hypochlorite solution 5.25 % with additional ultrasound treatmentabd 17 % EDTA solution were used for drug treatment of invagination and the main channel. The root canal and invagination, due to a non-standard structure, were handled by VDW hand tools combined with the Aurum BLUE (Meta Biomed) machine tool. Constant obturation was performed by the method of ve

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Dikopova, N. Zh, A. V. Tsarev, E. V. Ippolitov, A. G. Volkov, S. N. Razumova, and M. S. Podporin. "Clinical and laboratory assessment of the antibacterial effectiveness of anodic dissolution of copper electrodes during endodontic treatment of teeth with partially obliterated root canals." Medical alphabet, no. 30 (January 13, 2024): 56–60. http://dx.doi.org/10.33667/2078-5631-2023-30-56-60.

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The aim of the work was to study the antibacterial effectiveness of anodic dissolution of copper electrodes in endodontic treatment of teeth with root canals obliterated by more than half the length of the root.The study included two stages: experimental and clinical. In an experimental study using automatic cultivation of microorganisms in liquid nutrient media, it was found that anodic dissolution of a silver-copper electrode was more effective with respect to the clinical isolate of P. Intermedi and of C. Albicans, as well as a mixed culture of pathogenic microorganisms Streptococcus sangui

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Antonova, O. A., V. A. Voinova, and Yu A. Mitronin. "Comparative analysis of the effectiveness of mechanical treatment of root canals by various Ni-Ti file systems." Endodontics Today 22, no. 3 (2024): 206–11. http://dx.doi.org/10.36377/et-0032.

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INTRODUCTION. One of the main stages of successful endodontic treatment is high-quality mechanical treatment of root canals. А large number of various rotary Ni-Ti files in the dental market poses a difficult choice for the doctor, especially in the context of import substitution. It is necessary to have knowledge about the effectiveness of different system of instruments in a particular clinical case. AIM. With the help of scanning electronic mycoroscopy and computer microtomography, to analyze the quality of mechanical treatment of the root canal with files of domestic and foreign production

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Беленова, I. Belenova, Красичкова, and Olga Krasichkova. "Comparative characteristics of microflora root dentine at the use of different variants of medicamentous treatment of root canals." Journal of New Medical Technologies. eJournal 8, no. 1 (2014): 1–4. http://dx.doi.org/10.12737/4791.

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Application of ultrasonic treatment combined with conventional methods of endodontic treatment contributes to reduce the cases of relapses and the time of treatment, and causes the highest economic effect. The proposed method allows to successfully treating chronic granulating periodontitis and to save the need for prosthetics abutment teeth. The purpose of this study is to increase the effectiveness of treatment of granulating periodontitis by optimizing antiseptic treatment of root canals by means of ultrasound. In a series of studies the material of the examination and treatment of patients

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Gao, Ni, Yan Mo, Jiandong Wang, Luhua Yang, and Shihong Gong. "Effects of Flow Path Geometrical Parameters on the Hydraulic Performance of Variable Flow Emitters at the Conventional Water Supply Stage." Agriculture 12, no. 10 (2022): 1531. http://dx.doi.org/10.3390/agriculture12101531.

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We created a subsurface drip irrigation (SDI)-specific variable flow emitter (VFE) that switches working stages automatically based on the inlet pressure (H) to achieve a step change in the flow rate. At working stage I (H = 0.1 MPa), namely the conventional water supply stage, the VFE provided a normal flow rate (qI) of 1–2 L/h for crop irrigation. At working stage II (H > 0.1 MPa; exceeding the design pressure), VFE delivered a larger flow rate (qII). The larger qII facilitated water movement upward from the underground to the surface seedbed during the crop planting, thus ameliorating cr

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*, Dr Syeda Kaniz Umul Baneen **Dr Bakhtawar Tahir **Dr Hafiz Muhammad Adeel Sarfraz ** Dr Zafar Iqbal Sajid **Dr Mohsin Majeed **Dr Sara Izhar. "STUDY TO EVALUATE THE TECHNICAL QUALITY OF ROOT CANAL TREATMENT RADIOGRAPHICALLY DONE BY THE HOUSE SURGEONS OF DENTAL DEPARTMENT." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES o6, no. 05 (2019): 9681–86. https://doi.org/10.5281/zenodo.2861571.

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<strong><em>Objective: </em></strong><em>The aim of this study was to evaluate the technical quality of root canal treatment by house surgeons in a dentistry hospital.</em> <strong><em>Study Design: </em></strong><em>A Pilot Study.</em> <strong><em>Location and duration: </em></strong><em>In the Dental Department of Nishtar Hospital, Multan for one year duration from February 2018 to January 2019.</em> <strong><em>Methods: </em></strong><em>To determine the adequacy of the treatment, radiographic recordings of 64 teeth treated with root canal were analyzed. The last sample consisted of 60 teet

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Merzhoeva, Khava M., Mikhail A. Murashov, and Igor A. Voronov. "Cone-beam computed tomography evaluation of the possibility of fabrication of screw-retained implant crowns on maxillary central incisors." Russian Journal of Dentistry 26, no. 4 (2022): 337–44. http://dx.doi.org/10.17816/1728-2802-2022-26-4-337-344.

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BACKGROUND: Immediate implant placement to the fresh socket of the extracted tooth, with immediate loading, is well documented. Dental roots in proximity to the vestibular plate require thorough attention from clinicians. Implants placed close to the vestibular plate often lead to its resorption and gingival recession. Therefore, dental surgeons place implants 23 mm away from the vestibular plate. In turn, prosthodontists plan implant placement so that the screw channel is not on the vestibular surface, which is most significant in the aesthetic area. However, this is not always possible, and

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Frolova, K. E., L. A. Zyulkina, A. V. Yurkevich, and A. V. Efremova. "Comprehensive assessment of the effectiveness of diagnosis and treatment of patients with chronic apical periodontitis based on microbiological and joulemetric research methods." Medical alphabet, no. 11 (May 12, 2024): 77–80. http://dx.doi.org/10.33667/2078-5631-2024-11-77-80.

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Background. An increase in the number of patients with chronic apical periodontitis is becoming a global trend, which is mediated by several factors: the formation of foci of chronic infection, an increase in the number of various odontogenic complications leading to the loss of a causal tooth, a decrease in general resistance and the development of persistent sensitization of the body.The aim of the study was to evaluate the effectiveness of diagnostic measures based on a complex of microbiological and joulemetric methods in patients with chronic apical periodontitis.Materials and methods. 25

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Goto, Daisuke, Yukio Maeda, Kenichi Iwatsuka, et al. "Study on Ultrasonic Cavitation-Assisted Micro-Endmill Milling." Key Engineering Materials 656-657 (July 2015): 381–86. http://dx.doi.org/10.4028/www.scientific.net/kem.656-657.381.

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Micro-channel chips used in micro total analysis systems are attracting attention in medicine. In generally the photolithography technology used in semiconductor manufacturing is used to manufacture micro-channel chip Si-dies. However, this technology requires many processes, such as mask fabrication and the application of photoresist to a substrate as well as expensive clean room facilities. A micro-channel chip has a micro-groove 30–100 μm wide. This study examined how to form a fine groove by cutting with a micro-endmill, with the aim of shortening the window time and reducing the cost. Thi

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Romanov, Kirill, Alexey Shveykin, and Peter Trusov. "Advanced Statistical Crystal Plasticity Model: Description of Copper Grain Structure Refinement during Equal Channel Angular Pressing." Metals 13, no. 5 (2023): 953. http://dx.doi.org/10.3390/met13050953.

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The grain structure of metals changes significantly during severe plastic deformation (SPD), and grain refinement is the main process associated with SPD at low homologous temperatures. Products made of ultrafine-grained materials exhibit improved performance characteristics and are of considerable industrial interest, which generates a need for the creation of comprehensive grain refinement models. This paper considers the integration of the ETMB (Y. Estrin, L.S. Toth, A. Molinari, Y. Brechet) model, which describes the evolution of an average cell size during deformation into the two-level s

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Попруженко, Т. В., Е. В. Юшкевич, and М. З. Бутораб. "A Second Canal in Medial-Buccal Roots in the Permanent Maxillary Second Molars During their Post-Eruptive Maturation." Стоматология. Эстетика. Инновации, no. 1 (April 13, 2022): 37–42. http://dx.doi.org/10.34883/pi.2022.6.1.005.

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В исследовании изучали наличие 2-го буккального канала (MB2) в зубах 17, 27 (M2) в период их постэруптивного созревания.Изучено 160 изображений КЛКТ (Galileos CBCT, Sirona Dental Systems Inc., Германия; размер вокселя 0,25/0,125 мм; программа Sidexis 4) интактных зубов M2 у 80 пациентов в возрасте от 12,0 до 15,9 лет, а также 20 пациентов в возрасте 20–22 лет. В каждой из 4 возрастных групп детей (12,0–12,9; 13,0–13,9; 14,0–14,9; 15,0–15,9 года) и в группе взрослых были изучены изображения поперечных сечений 40 медиально-буккальных корней зубов M2 в шейной, средней и апикальной трети. Для стат

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Adamchik, Anatoliy, Valerii Tairov, Irina Rfmyshnikova, et al. "ANALYSIS OF THE EFFICIENCY OF THE SOUND IMPACT ON THE MICRO AND MICROCHANNEL SYSTEM OF THE TOOTH ROOT. LABORATORY STUDY." Russian Journal of Dentistry, August 2, 2023. http://dx.doi.org/10.17816/dent252067.

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The effectiveness of antiseptic action in endodontics depends on additional methods of dynamic action on the irrigation solution. The treatment of chronic apical periodontitis is directly related to the effect of the antiseptic preparation on the biofilm in the system of micro and macro channels of the tooth root. Current data show significant difficulty in biofilm elimination. This study shows the significant effectiveness of the combined administration of an antimicrobial drug with the use of sound activation

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Kanagasingam, Shalini, Christopher von Ruhland, Richard Welbury та Sim K. Singhrao. "Ex vivo Detection of Amyloid-β in Naturally Formed Oral Biofilm". Journal of Alzheimer's Disease Reports, 5 грудня 2022, 1–17. http://dx.doi.org/10.3233/adr-220076.

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Background: Oral infection has been implicated in the possible etiology of Alzheimer’s disease. Objective: To detect amyloid-β (Aβ) within microbial biofilms. Methods: Freshly extracted teeth (N = 87) with periodontal disease were separated into Group A (N = 11), with primary root canal infection and Group B (N = 21) with failed endodontic treatment identified by the presence of, gutta percha root filling. Biofilm characteristics were observed by scanning electron microscopy (SEM). Demineralized paraffin wax embedded tooth sections and mineralized calculus biofilm were immunostained with the a

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Qiu, Zhixian, Jin-Gang Jiang, Dianhao Wu, Jingchao Wang, and Shan Zhou. "Tooth point cloud resampling method based on divergence index and improved Euclidean clustering rule." Physics in Medicine & Biology, November 20, 2024. http://dx.doi.org/10.1088/1361-6560/ad953f.

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Abstract Objective: In endodontic therapy, 3D Cone Beam Computerized Tomography (CBCT) and oral scan fusion models allow exact root canal channels and guidance. However, the point cloud model from CBCT has few data points and poor model features, limiting 3D fusion with oral scan data. Our aim to build a sub-regional point cloud resampling method and evaluate the precision of merging it with three-dimensional oral scan data.&#xD;Approach: Two molars and four incisors were resampled for this investigation. Based on point cloud density and curvature, the rebuilt model was separated into the

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Priya, Jayaraman, and Subramanian Kanaga Suba Raja. "Caries-segnet: multi-scale cascaded hybrid spatial channel attention encoder-decoder for semantic segmentation of dental caries." Biomedical Engineering / Biomedizinische Technik, March 6, 2025. https://doi.org/10.1515/bmt-2024-0439.

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Abstract Objectives Dental caries is a prevalent oral health issue around the world that leads to tooth aches, root canal infections, and even tooth extractions. Existing dental caries diagnosis models may misdiagnose the disorder and take more time to segment the caries. This research work aims to provide an in-depth analysis of spatial and channel attention mechanism techniques used for semantic segmentation in an encoder-decoder network. For effective performance, the research implements novel techniques to segment the dental caries accurately. Methods Deep Fully Connected Residual Block (D

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Laugel-Haushalter, Virginie, Supawich Morkmued, Corinne Stoetzel, et al. "Genetic Evidence Supporting the Role of the Calcium Channel, CACNA1S, in Tooth Cusp and Root Patterning." Frontiers in Physiology 9 (September 26, 2018). http://dx.doi.org/10.3389/fphys.2018.01329.

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Yoshikawa, Takaki, Tsutomu Hayashi, Masashi Nishino, et al. "A new hybrid robotic surgery by minimally invasive laparoscopic and robotic (MILAR) system using da Vinci single‐port (SP) in distal gastrectomy for gastric cancer." Asian Journal of Endoscopic Surgery 18, no. 1 (2024). http://dx.doi.org/10.1111/ases.13401.

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AbstractIntroductionThe da Vinci SP (SP) has only 1 robotic arm, containing 4 channels. It provides a wide space for assistant surgeons using laparoscopic forceps. We performed a new type of minimally invasive surgery using laparoscopy and a robot (MILAR) utilizing the SP in distal gastrectomy for gastric cancer.Materials and Surgical TechniqueAn incision at the umbilicus was made for the SP, and 2 ports were inserted from the right abdomen for laparoscopic surgery. In the above view, where surgeons look down at the surgical field, the scope was inserted from the channel at 12 o'clock, and the

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Kianifar, Mahsa. "Investigation of Morphological Variations of Canal and Root of First Mandibular Molar in Tomographic Images Computer with Cone Beam in Patients of Arak City." Journal of Isfahan Dental School, March 7, 2023. http://dx.doi.org/10.18502/ijds.v18i4.12100.

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Introduction: Being the first teeth to erupt, first molars have the most complex root system and canal morphology and are among the most susceptible teeth to decay and destruction. The aim of this study is to determine the frequency of morphological variations of the canal and root of the mandibular first molar in cbct images so that appropriate treatment can be performed with a better understanding of the anatomy of the root and canal of the molar tooth.Materials & Methods: In this descriptive cross-sectional study, the morphological variation of the mandibular first molar canal and root

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A.V., Polevaya, Borisova E.G., and Polevaya L.P. "A CLINICAL EXAMPLE OF THE USE OF A HYDROKINETIC LASER WATERLASE IPLUS WITH A WAVELENGTH OF 2780 NM IN THE TREATMENT OF PURULENT PULPITIS." "Medical & pharmaceutical journal "Pulse", June 30, 2021, 214–19. http://dx.doi.org/10.26787/nydha-2686-6838-2021-23-6-214-219.

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The article presents a clinical example demonstrating the tactics of using the hydrokinetic Er, Cr:YSGG laser Waterlase Iplus with a wavelength of 2780 nm in the treatment of purulent pulpitis. The authors were faced with the task of showing the elimination of microorganisms in the treatment of purulent pulpitis, as well as the long-term results of endodontic treatment, using a specific clinical example. Objective is to describe the clinical features and effectiveness of the use of the hydrokinetic Er, Cr:YSGG Waterlase Iplus laser with a wavelength of 2780 nm in the treatment of purulent pulp

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Travassos, Rosana Maria Coelho, Heloisa Helena Pinho Veloso, Luciano Barreto Silva, et al. "RESISTÊNCIA DA UNIÃO DE SISTEMAS ADESIVOS À DENTINA: INFLUÊNCIA DO HIPOCLORITO DE SÓDIO." Revista ft, September 7, 2024, 24–25. http://dx.doi.org/10.69849/revistaft/fa10202409072124.

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The modification of the root canal system is of paramount importance to the success of endodontic treatment. This study aimed to evaluate the influence of sodium hypochlorite at concentrations of 2.5% and 4.5% in times of 30 and 60 minutes on the bond strength of composite resin to dentin. We used for this study teeth 20, which were divided into five groups of four elements, each element of the experimental group was immersed in a characteristic time and concentration of sodium hypochlorite of their group and the control immersed in saline. Later there were three composite restorations on each

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Min, Qingqing, Yajun Gao, and Yao Wang. "Bioelectricity in dental medicine: a narrative review." BioMedical Engineering OnLine 23, no. 1 (2024). http://dx.doi.org/10.1186/s12938-023-01189-6.

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Abstract Background Bioelectric signals, whether exogenous or endogenous, play crucial roles in the life processes of organisms. Recently, the significance of bioelectricity in the field of dentistry is steadily gaining greater attention. Objective This narrative review aims to comprehensively outline the theory, physiological effects, and practical applications of bioelectricity in dental medicine and to offer insights into its potential future direction. It attempts to provide dental clinicians and researchers with an electrophysiological perspective to enhance their clinical practice or fun

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Braun, Carol-Ann, and Annie Gentes. "Dialogue: A Hyper-Link to Multimedia Content." M/C Journal 7, no. 3 (2004). http://dx.doi.org/10.5204/mcj.2361.

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Background information Sandscript was programmed with the web application « Tchat-scene », created by Carol-Ann Braun and the computer services company Timsoft (). It organizes a data-base of raw material into compositions and sequences allowing to build larger episodes. Multimedia resources are thus attributed to frames surrounding the chat space or to the chat space itself, thus “augmented” to include pre-written texts and graphics. Sandscript works best on a PC, with Internet Explorer. On Mac, use 0S9 and Internet Explorer. You will have to download a chat application for the site to functi

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