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https://www.readbyqxmd.com/read/29786707/biocompatible-alkyl-cyanoacrylates-and-their-derivatives-as-bio-adhesives
#1
REVIEW
Jay M Korde, Balasubramanian Kandasubramanian
Cyanoacrylate adhesives and their homologues have elicited interest over the past few decades owing to their applications in the biomedical sector, extending from tissue adhesives to scaffolds to implants to dental material and adhesives, because of their inherent biocompatibility and ability to polymerize solely with moisture, thanks to which they adhere to any substrate containing moisture such as the skin. The ability to tailor formulations of alkyl cyanoacrylate to form derivative compounds to meet application requirements along with their biodegradability in conjunction with their inherent biocompatibility make them highly sought after candidates in the biomedical sector...
May 22, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29786589/bacterial-factors-of-cariogenicity-literature-review
#2
Mariia O Faustova, Maiia M Ananieva, Yaroslav O Basarab, Oksana V Dobrobolska, Iryna M Vovk, Galina A Loban'
OBJECTIVE: Introduction: According to the 2003 WHO report, dental caries affects from 60% to 90% of school-age children and adults that makes it one of the most common diseases worldwide. The aim was to systematize data about the modern conception of plaque formation and role of microorganisms in its development. PATIENTS AND METHODS: Materials and methods: Biblosemantic, 50 medical literature sources were systematically reviewed as the material for the research...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786582/characteristics-of-epidemiology-of-dental-caries-in-children-from-regions-with-high-and-optimum-fluorine-content-in-drinking-water
#3
Valentina Trufanova, Olha Sheshukova, Vadym Davydenko, Tetiana Polishchuk, Sofia Bauman, Vitalina Dobroskok
OBJECTIVE: Introduction: Prevention of dental diseases in children is the priority item on the modern dentistry agenda. Among the undeniable factors known as contributing into caries incidence, there is fluoride content in the external environment, especially in drinking water, which is the main source of fluoride intake. The aim: This study is aimed at evaluating dental caries indices in children and adolescents inhabiting in areas with optimal and high-level fluoride concentration in drinking water and assessing their level of oral hygiene...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786578/-influence-of-basic-dental-materials-on-indicators-of-free-radical-oxidation-and-antioxidant-blood-s-potential-of-white-rats-experimental-study
#4
Vitalii S Kuz, Valentyn N Dvornyk, Vitalii A Kostenko, Gelfira M Kuz, Oleh Ye Akimov
OBJECTIVE: Introduction: Basic materials used in the clinic of orthopedic dentistry are high-polymer compounds and have a number of positive properties in certain conditions. The main group of materials for manufacturing of removable dentures is acrylic plastics of hot polymerization. However, such materials can sometimes cause a number of complications. Using removable prostheses, which are made of acrylic plastics can cause the development of an allergic or toxic-chemical reaction of tissues of the prosthetic bed...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786573/analysis-of-electromyographic-indexes-of-temporal-and-masticatory-muscles-in-patients-with-distal-occlusion-complicated-by-dental-crowding
#5
Maryna I Dmytrenko
OBJECTIVE: Introduction: Rate of distal occlusion (up to 40%) and dental crowding (up to 65%) is the largest in the structure of orthodontic pathology. The aim of the study was to investigate bioelectrical activity of temporal and masticatory muscles and to set parameters of electromyographic indexes in patients with distal occlusion and dental crowding in permanent occlusion. PATIENTS AND METHODS: Materials and methods: Bioelectrical activity of temporal and masticatory muscles in 11 patients aged 16-24 years was determined before orthodontic treatment...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786135/scientific-update-on-nanoparticles-in-dentistry
#6
REVIEW
Gottfried Schmalz, Reinhard Hickel, Kirsten L van Landuyt, Franz-Xaver Reichl
Nanoparticles having a size from 1 to 100 nm are present in nature and are successfully used in many products of daily life. In dental materials, nanoparticles are typically embedded but they may also exist as by-products from milling processes. Possible adverse effects of nanoparticles have gained increased interest, with the lungs being the main target organ. Exposure to nanoparticles in the dental laboratory is addressed by legal regulations. In dental practice, nanoparticles are mainly produced by intra-oral grinding/polishing and removal of materials, by wear of restorations or release from dental implants...
May 22, 2018: International Dental Journal
https://www.readbyqxmd.com/read/29783263/monitoring-of-efficiency-of-dental-caries-management-in-children-s-temporary-teeth-throughout-poltava-oblast
#7
Olha V Sheshukova, Valentina P Trufanova, Tetiana V Polishchuk, Kateryna S Kazakova, Sofiya S Bauman, Natalia A Lyakhova, Iryna M Tkachenko
OBJECTIVE: Introduction: Dental caries is still a major health care problem not only in Ukraine but throughout the world. Complicated dental caries currently ranks the leading position among the oral diseases in children. The aim of this study is to carry out a analysis of the epidemiology of dental caries and its complications, and to evaluate the efficiency of the caries treatment for temporary teeth among the children of Poltava oblast over the last decade based on the data of the annual reports...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783259/classifications-of-temporomandibular-disorders-and-patients-examination-protocols-comparative-analysis-by-the-convenience-of-their-daily-use-in-clinical-practice
#8
Ulyana D Telishevska, Oksana D Telishevska
OBJECTIVE: Introduction:The problem of temporomandibular disorders (TMD) is relevant in today's world and is considered one of the most common pathologies causing nonodontogenic pain syndromes of maxillofacial region. The morbidity of temporomandibular disorders is 27 to 76% among patients who seek dental care. There is now a significant number of classifications of TMD, however, clinically convenient, morphologically and pathogenetically substantiated classification of temporomandibular joint's (TMJ) conditions has not yet been developed...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783239/studying-the-skills-attitudes-on-factors-affecting-dental-health-of-children
#9
Iryna A Holovanova, Natalia A Lyakhova, Olga V Sheshukova, Valentina P Trufanova, Sofia S Bauman, Alevtina N Bilous, Oleg N Nesterenko
OBJECTIVE: Introduction: Nowadays, the high level of dental morbidity among children is an urgent medical problem. Healthy lifestyles and sanitary-hygienic upbringing in the family is most important components of the formation of dental health of children. But in order to be able to teach their children, parents need to be themselves knowledgeable about hygiene and prevention, have the necessary skills and desire to instill it in their children. The aim: The aim of our study was to assess the level of awareness of schoolchildren parents about the factors affecting the dental health of their children according to the questionnaire...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783235/-statistical-information-about-the-inflammatory-processes-of-the-jaw-facial-part-in-children
#10
Pavlo I Tkachenko, Serhii O Bilokon, Nataliia M Lokhmatova, Vitalina O Dobroskok, Olha B Dolenko, Nataliia M Korotych, Yuliia V Popelo
OBJECTIVE: Introduction: The acute and chronic inflammatory processes prevail in the structure of the dental surgical diseases in children. Notably, various forms of lymphadenitis, adenophlegmon and odontogenous osteomyelitis dominate in the specialized surgical units; however, it is not possible to resolve a number of organizational problems without clear understanding of the statistical situation. The aim: The paper is aimed at the analysis of the incidence rate of major nosological forms of the acute suppurative inflammations of the maxillofacial area in children for the prospective planning of arrangements to provide them with high-quality specialized care...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783217/-clinical-and-economic-aspects-of-professional-oral-hygiene
#11
Volodymyr S Melnik, Lyudmila F Horzov
OBJECTIVE: Introduction: Health care is important in all age groups. Good hygienic care is a vital aspect of it. The examination of the dental status in different groups of the adult population records low hygienic indicators, including those of young age. Against this backdrop, there is an urgent need to increase the role of professional hygiene of the oral cavity. The aim: The aim of the study. Identify the clinical and economic aspects of occupational hygiene in young people between the ages of 22 and 35...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783203/mechanical-characterization-and-ion-release-of-bioactive-dental-composites-containing-calcium-phosphate-particles
#12
Livia C Natale, Marcela C Rodrigues, Yvette Alania, Marina D S Chiari, Leticia C C Boaro, Marycel Cotrim, Oscar Vega, Roberto R Braga
OBJECTIVE: to verify the effect of the addition of dicalcium phosphate dihydrate (DCPD) particles functionalized with di- or triethylene glycol dimethacrylate (DEGDMA or TEGDMA) on the degree of conversion (DC), post-gel shrinkage (PS), mechanical properties, and ion release of experimental composites. METHODS: Four composites were prepared containing a BisGMA/TEGDMA matrix and 60 vol% of fillers. The positive control contained only barium glass fillers, while in the other composites 15 vol% of the barium was replaced by DCPD...
May 18, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29782695/dual-ag-zno-decorated-micro-nanoporous-sulfonated-polyetheretherketone-with-superior-antibacterial-capability-and-biocompatibility-via-layer-by-layer-self-assembly-strategy
#13
Yi Deng, Lei Yang, Xiaobing Huang, Junhong Chen, Xiuyuan Shi, Weizhong Yang, Min Hong, Yuan Wang, Matthew S Dargusch, Zhi-Gang Chen
Polyetheretherketone is attractive for dental and orthopedic applications due to its mechanical attributes close to that of human bone; however, the lack of antibacterial capability and bioactivity of polyetheretherketone has substantially impeded its clinical applications. Here, a dual therapy implant coating is developed on the 3D micro-/nanoporous sulfonated polyetheretherketone via layer-by-layer self-assembly of Ag ions and Zn ions. Material characterization studies have indicated that nanoparticles consisting of elemental Ag and ZnO are uniformly incorporated on the porous sulfonated polyetheretherketone surface...
May 21, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29781765/individualized-titanium-mesh-combined-with-platelet-rich-fibrin-and-deproteinized-bovine-bone-a-new-approach-for-challenging-augmentation
#14
Jonas Lorenz, Sarah Al-Maawi, Robert Sader, Shahram Ghanaati
Autologous bone transfer is regarded as the gold standard for ridge augmentation before dental implantation, especially in severe bony defects caused by tumor resection or atrophy. In addition to the advantages of autologous bone, transplantation has several disadvantages, such as secondary operation, increased morbidity and pain. The present study reports, for the first time, a combination of a xenogeneic bone substitute (BO) with platelet-rich fibrin (PRF), which is a fully autologous blood concentrate derived from the patient's own peripheral blood by centrifugation...
May 21, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29781181/effects-of-phosphatidylserine-containing-supported-lipid-bilayers-on-the-polarization-of-macrophages
#15
Hongxuan Quan, Yongjoon Kim, Hee Chul Park, Hyeong-Cheol Yang
Placement of dental implants initiates inflammatory foreign body response, in which macrophages play a central role and affect the subsequent tissue healing process such as bone formation. The purpose of this study was to fabricate phosphatidylserine (PS)-containing supported lipid bilayers (SLBs) on a titanium surface to regulate the polarization of macrophages, a critical factor that affects following tissue healing and regeneration. The fluorescent recovery after photobleaching (FRAP) images showed that the percentage of PS had a critical influence on the fluidity, and 20% PS had the highest fluidity...
May 20, 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29779628/fluoride-containing-bioactive-glass-composite-for-orthodontic-adhesives-apatite-formation-properties
#16
N A Al-Eesa, A Johal, R G Hill, F S L Wong
OBJECTIVES: Dental materials that can form apatite offer the potential to not only prevent demineralisation but enhance remineralisation of the enamel. The objective of this study was to investigate the ability of a novel BAG-resin adhesive to form apatite in 3 immersion media. METHODS: A novel fluoride containing BAG-resin adhesive described previously, with 80% by weight filler load, was used to fabricate 90 disks. Each disk was immersed in 10ml of either tris buffer (TB), or artificial saliva at pH=7 (AS7) or pH=4 (AS4)...
May 17, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/29779218/an-analysis-of-the-timing-and-materials-associated-with-pulp-disease-following-restorative-dental-treatment
#17
J B Yong, S Sivarajan, P V Abbott
AIM: To assess whether the timing of pulp disease after tooth restoration was associated with type of restorative dental material used, extent of the restoration, or tooth type. METHODOLOGY: A comprehensive search and analysis of data using the Titanium Oral Health Management software program at The Oral Health Centre of Western Australia was performed to correlate procedural codes for teeth that had restorations placed and subsequently developed pulp disease requiring endodontic treatment or extraction from 1st January 2009 to 31st December 2013...
May 19, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29778127/study-of-two-body-wear-performance-of-dental-materials
#18
Xin Hu, Qian Zhang, Jia Ning, Wenmeng Wu, Changyi Li
INTRODUCTION: The purpose of this study was to evaluate the two-body wear resistances of natural enamel and four dental materials in vitro. METHODS: The testing machine was modified to form a type of pin-on-disk wear test apparatus. Four dental material specimens (Au-Pd alloy, Ag-Pd alloy, FiltekTMP60 and FiltekTMZ350 composite resins) and enamel were used as the pins, and a steatite ceramic grinding wheel was used as the abrasive counter face. The wear volume loss and the rigidity value was measured...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29776851/treatment-planning-dose-accuracy-improvement-in-the-presence-of-dental-implants
#19
Holly M Parenica, John R Ford, Panayiotis Mavroidis, Ying Li, Nikos Papanikolaou, Sotirios Stathakis
Streaking artifacts in computed tomography (CT) scans caused by metallic dental implants (MDIs) can lead to inaccuracies in dose calculations. This study quantifies and compares the effect of MDIs on dose distributions using the collapsed cone convolution superposition (CCCS) and Monte Carlo (MC) algorithms, with and without correcting for the density of the MDIs. Ion chamber measurements were taken to test the ability of the algorithms in Pinnacle3 and Monaco to calculate dose near high-Z materials. Nine previously treated patients with head and neck cancer were included in this study...
May 15, 2018: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/29776537/comparative-study-on-metabolite-level-in-tissue-specific-human-mesenchymal-stem-cells-by-an-ultra-performance-liquid-chromatography-quadrupole-time-of-flight-mass-spectrometry
#20
Seul Ji Lee, TacGhee Yi, Soo Hyun Ahn, Dong Kyu Lim, Si-Na Kim, Hyun-Joo Lee, Yun-Kyoung Cho, Jae-Yol Lim, Jong-Hyuk Sung, Jeong-Ho Yun, Johan Lim, Sun U Song, Sung Won Kwon
Mesenchymal stem cells (MSCs) are a promising therapeutic option for cell-based therapy due to their immunomodulatory and regenerative properties. They can be isolated from various adult tissues, including bone marrow, fat, dental tissue, and glandular tissue. Although they share common characteristics, little is known about the biological differences between MSC populations derived from different tissues. In this study, we used MS to compare the endogenous metabolite level in the human MSCs originating from the bone marrow, adipose tissue, periodontal ligaments, and salivary glands...
September 18, 2018: Analytica Chimica Acta
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