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Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie

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https://www.readbyqxmd.com/read/27352427/a-standardized-procedure-to-obtain-mesenchymal-stem-stromal-cells-from-minimally-manipulated-dental-pulp-and-wharton-s-jelly-samples
#1
M Ducret, H Fabre, O Degoult, G Atzeni, C McGuckin, N Forraz, F Mallein-Gerrin, E Perrier-Groult, J C Fargues
Transplantation of mesenchymal stem/stromalcells (MSCs) has emerged as an effectivemethod to treat diseased or damagedorgans and tissues, and hundreds of clinicaltrials using MSCs are currently under way todemonstrate the validity of such a therapeuticapproach. However, most MSCs used for clinicaltrials are prepared in research laboratorieswith insufficient manufacturing quality control.In particular, laboratories lack standardizedprocedures for in vitro isolation of MSCs fromtissue samples, resulting in heterogeneouspopulations of cells and variable experimentaland clinical results...
2016: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/27352426/mineral-density-of-hypomineralised-and-sound-enamel
#2
Elsa Garot, Patrick Rouas, Emmanuel D'Incau, Nicolas Lenoir, David Manton, Christine Couture-Veschambre
Molar Incisor Hypomineralisation (MIH) is a structural anomaly that affects the quality of tooth enamel and has important consequences for oral health. The developmentally hypomineralised enamel has normal thickness and can range in colour from white to yellow or brown. The purpose of the present study is to compare the mineral density of hypomineralised and normal enamel. The sample included eight MIH teeth from seven patients. MIH teeth were scanned using high resolution microtomography. Non-parametric statistical tests (Wilcoxon test for paired samples) were carried out...
2016: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/27352425/impact-of-three-endocrine-disruptors-bisphenol-a-genistein-and-vinclozolin-on-female-rat-enamel
#3
K Jedeon, A Berdal, A Babajko
Concerns about the potential adverse effectsof endocrine disruptors (EDs) have been increasingover the last three decades. BisphenolA (BPA), genistein (G) and vinclozolin (V) arethree widely used EDs sharing similar effects.Since populations are exposed to many diverseEDs simultaneously, we demonstratedrecently their impact alone or combined onmale rat tooth enamel. The purpose of thisstudy was therefore to assess their effects onfemale rat tooth enamel in order to understandwhy they are differentially sensitive...
2016: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/27352424/expression-of-phosphate-transporters-in-optimized-cell-culture-models-for-dental-cells-biomineralization
#4
Laure Merametdjian, Amandine David, Nina Bon, Greig Couasnay, Jérôme Guicheux, Céline Gaucher, Sarah Beck-Cormier, Laurent Beck
Phosphate is a key component of dental mineral composition. The physiological role of membrane proteins of dental cells is suspected to be crucial for mineralization mechanisms. Contrary to published data related to calcium, data on regulation of phosphate flux through membrane of mineralizing cells are scarce. To address this lack of data, we studied the expression of six membranous phosphate transporters in two dental cell lines: a rat odontoblastic cell line (M2H4) and a mouse ameloblastic cell line (ALC) for which we optimized the mineralizing culture conditions...
2016: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/27352423/intraplaque-hemorrhage-a-potential-consequence-of-periodontal-bacteria-gathering-in-human-carotid-atherothrombosis
#5
Adrian Brun, Hélène Rangé, Bastien Prouvost, Olivier Meilhac, Mikael Mazighi, Pierre Amarenco, Guy Lesèche, Philippe Bouchard, Jean-Baptiste Michel
Periodontal diseases are multifactorial inflammatory diseases, caused by a bacterial biofilm involving both innate and adaptative immunity, characterized by the destruction of tooth-supporting tissues. In the context of periodontitis, the spread of weak pathogenic bacteria into the bloodstream has been described. These bacteria will preferentially localize to existing clot within the circulation. Atherothrombosis of the carotid arteries is a local pathology and a common cause of cerebral infarction. Intraplaque hemorrhages render the lesion more prone to clinical complications such as stroke...
2016: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/27352422/epigenetic-modifications-in-salivary-glands-from-patients-with-sj%C3%A3-gren-s-syndrome-affect-cytokeratin-19-expression
#6
O D Konsta, A Charras, C Le Dantec, E Kapsogeorgeou, A Bordron, W H Brooks, A G Tzioufas, J O Pers, Y Renaudineau
Sjögren's syndrome (SS) is a chronic autoimmune epithelitis, and several lines of experiments indicate that multifactorial factors contribute to salivary gland epithelial cells (SGEC) dysfunctions including a combination of environmental factors, lymphocytic infiltrations, genetic predispositions as well as epigenetic defects. Such statement is reinforced by the observation that global DNA methylation (5MeCyt) is altered in minor salivary glands from pSS patients and that such defect is associated cytokeratin 19 (KRT19) overexpression...
2016: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461448/es-cells-derived-ectomesenchymal-cells-for-tooth-engineering
#7
S Acuña-Mendoza, S Martin, S Ribes, L Keller, C Chaussain, L Lebrin, H Lesot, A Poliard
Recent progresses in stem cell biology and tissue engineering allow considering the possible development of new therapies for compensating the dental tissue losses associated with traumas, pathologies or ageing. The possibility of generating a tooth by mimicking development through reassociations between dental epithelial cells and ectomesenchymal cells derived from the neural crest (NC) has been demonstrated in the mouse. In the search of cell sources to be used for a human transfer, pluripotent stem cells could represent a good alternative...
July 10, 2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461126/the-impact-on-dental-students-knowledge-in-three-european-countries-through-an-online-module-on-antibiotic-prescribing-a-preliminary-study
#8
L Berr, N Donaldson, S Hatzipanagos, C Paganelli, P A Reynolds
No abstract text is available yet for this article.
May 8, 2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461447/functionalization-of-titanium-surface-with-chitosan-via-silanation-3d-clsm-imaging-of-cell-biocompatibility-behaviour
#9
G N Attik, M D'Almeida, B Toury, B Grosgogeat
INTRODUCTION: Biocompatibility ranks as one of the most important properties of dental materials. One of the criteria for biocompatibility is the absence of material toxicity to cells, according to the ISO 7405 and 10993 recommendations. Among numerous available methods for toxicity assessment; 3-dimensional Confocal Laser Scanning Microscopy (3D CLSM) imaging was chosen because it provides an accurate and sensitive index of living cell behavior in contact with chitosan coated tested implants...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461446/are-dentists-enough-aware-of-infectious-risk-associated-with-dental-unit-waterlines
#10
Amélie Robert, Anne Bousseau, Damien Costa, Vanessa Barbot, Christine Imbert
Environmental conditions in DU encourage biofilm development. This biofilm may represent a risk for patients and dental staff exposed to water and aerosols generated during dental cares, particularly for immunocompromised persons. A survey was conducted on the 175 dental surgeons of the department of Vienne (France) to investigate the motivations of dental practitioners to renew their DU, their awareness levels with respect to infectious risks related to water circulating within DU, and methods used for the maintenance of DU waterlines...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461445/establishment-of-a-model-of-murine-odontoblasts-underexpressing-pkd1-using-shrna
#11
B Thivichon-Prince, N Labert, Ml Couble, F Bleicher
We have previously shown that PKD1, the gene encoding Polycystin-1 (or TRPP1) is expressed in human odontoblasts and that this protein is localized at the primary cilium of the cell. Nevertheless, its function remain unclear in this cell even if studies on osteoblasts, osteocytes and chondrocytes give TRPP1 as a promising candidate for mechanotransduction in response to mechanical stress. Consequently, to evaluate the role of TRPP1 in this transduction process, we needed first to generate an in vitro murine model down expressing Pkd1...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461444/a-model-of-mandibular-irradiation-in-the-rabbit-preliminary-results
#12
Anne-Gaëlle Bodard, Soufyane Debbache, Stephan Langonnet, Frédéric Laffay, Bertrand Fleury
Radiotherapy is widely used in the treatment of head and neck cancers. Its major adverse effect is osteoradionecrosis, which can occur during the whole life of the patient, involving the vital prognosis. The aim of the study was to develop a model for irradiation of the rabbit mandible in order to have a better knowledge of radiotherapy-induced bone alterations and thus a better prevention and treatment of osteoradionecrosis. The control group consisted in 7 rabbits and was used to assess anatomical and histological parameters of the rabbit's mandible...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461443/importance-of-toll-like-receptors-for-b-lymphocyte-survival-in-primary-sj%C3%A3-gren-s-syndrome
#13
Thomas Guerrier, Laëtitia Le Pottier, Pierre Youinou, Jacques-Olivier Pers, Christophe Jamin
The Sjögren's syndrome is a systemic autoimmune disease characterized by lymphocytic infiltration of the glands responsible for mouth and eyes dryness. A minority of infiltrating B cells is organized as germinal centers while the majority is aggregated into clusters of transitional and marginal zone B cells. The Toll-like receptor 9 (TLR9) recognizes microbial DNA but also, sometimes, the self DNA. It appears to be a key determinant of the survival and differentiation of B lymphocytes. After laser micro-dissection of B cells from salivary glands, analyses by quantitative RT-PCR showed that transitional B cells express high level of TLR9 mRNA unlike B cells from germinal centers...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461130/recommendations-for-dental-education-and-technology-enhanced-learning-tel-in-malawi-report-of-a-round-table-discussion
#14
D Schönwetter
No abstract text is available yet for this article.
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461129/technology-enhanced-learning-tel-for-training-dental-hygienists-in-ukraine-report-of-a-round-table-discussion
#15
E Fabrikant, K Eaton
No abstract text is available yet for this article.
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461128/graphic-games-research-applied-to-public-health-with-innovative-collaboration-designing-a-serious-game-pilot-for-dental-public-health
#16
E O'Neill, P A Reynolds, S Hatzipanagos, J E Gallagher
No abstract text is available yet for this article.
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461127/testing-the-theory-of-threshold-concepts-in-a-context-of-dental-education-preliminary-analysis
#17
M Kobus
This paper reports on the pilot phase of a phenomenographic study which explores the relationship between teachers' and students' perceptions of the curriculum and theory of threshold concepts, which claims that there are concepts in all disciplines which must be understood, if learners are to progress to a more advanced level of understanding. It is suggested that threshold concepts may represent ways of thinking and practising within disciplines. In this study consideration is given to the troublesome aspects of knowledge as described by David Perkins (1999) and further developed by Meyer and Land (2003)...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461125/scott-and-the-logs-design-and-data-capture-in-a-preparatory-online-package-for-children-undergoing-ga-for-dental-procedures
#18
COMPARATIVE STUDY
P A Reynolds, N Donaldson, C Huntington, C Liossi, T C Newton, M T Hosey
No abstract text is available yet for this article.
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461124/kinship-king-s-social-harmonisation-project-pilot-phase-of-a-social-network-for-use-in-higher-education-he
#19
B A John
Students entering Higher Education are increasingly information and communications technology literate. Many students (graduates and undergraduates) arrive as "digital residents", who are adept with social media and technologically fluent. The informal use of social media for learning is becoming increasingly evident, along with the potentially detrimental effects of a poor digital profile on employment prospects. This paper describes the creation of Kinship (King's Social Harmonisation Project), a university hosted, members only social network, which is currently being piloted in the Medical School at King's College London...
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
https://www.readbyqxmd.com/read/25461123/the-effects-of-a-virtual-reality-simulator-on-formative-and-summative-assessment-methods-for-dental-clinical-skills
#20
A Shahriari Rad
No abstract text is available yet for this article.
2013: Bulletin du Groupèment International Pour la Recherche Scientifique en Stomatologie & Odontologie
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