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Academic literature on the topic 'Couronne dentaire'
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Journal articles on the topic "Couronne dentaire"
Yan, Bin, Zongyang Sun, Henry Fields, and Lin Wang. "La canine maxillaire incluse augmente le risque de résorption radiculaire des dents adjacentes : un problème de proximité anatomique." L'Orthodontie Française 86, no. 2 (June 2015): 169–79. http://dx.doi.org/10.1051/orthodfr/2015014.
Full textTanguy, C. Collet, and A. Morel-Papernot. "Durée de vie des couronnes dentaires : suivi sur cinq ans d'une cohorte d'assurés sociaux du Régime social des indépendants." Pratiques et Organisation des Soins 43, no. 2 (2012): 121. http://dx.doi.org/10.3917/pos.432.0121.
Full textDissertations / Theses on the topic "Couronne dentaire"
Elhechmi, Imen. "Instrumentation optique pour la mesure des périkymaties de la couronne dentaire." Besançon, 2010. http://www.theses.fr/2010BESA2014.
Full textThis optical system was developed to measure the microscopic features of tooth surfaces. It has wide potential application in the field of forensics and biological anthropology (human fossils, archaeological skeletons), but it is currently being used to measure perikymata on the surface of ancient human tooth crowns and program was developed to analyses the results. Dental tissues provide important insights into aspects of hominids paleobiology that are otherwise difficult to obtain from studies of the bony skeleton. Tooth enamel is formed by ameloblasts, which demonstrate daily secretory rhythms developing tissue-specific structures known as cross striations, and longer period markings called striae of Retzius. Using newly developed optical instrumentation associated with microsystems, we can now record automatically precisely and accurately the periodicity of perikymata on the cuspal and cervical parts of the dental crown. Our device can be used to characterize the variability in periodicity of perikymata in hominids. One way to extend the depth of field of any optical system is to take several images with different focus positions and combine them into a single composite image, which contains all regions fully focused
Elhechmi, I. "Instrumentation optique pour la mesure des périkymaties de la couronne dentaire." Phd thesis, Université de Franche-Comté, 2010. http://tel.archives-ouvertes.fr/tel-00544499.
Full textSfeir, Elia. "Une nouvelle approche biofonctionnelle et esthetique de la restauration des molaires temporaires : la couronne ceramo-composite." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR1SO01.
Full textNorguet, Céline Amouriq Yves. "Le point sur les couronnes céramo-céramiques." [S.l.] : [s.n.], 2004. http://theses.univ-nantes.fr/thesemed/CDnorguet.pdf.
Full textFossoyeux, Franck. "Evolution des couronnes céramiques unitaires." Bordeaux 2, 1988. http://www.theses.fr/1988BOR20072.
Full textPetit, Christian. "Indications et contre-indications de la couronne jacket céramo-métallique sur incisive centrale supérieure." Nantes, 1985. http://www.theses.fr/1985NANT1485.
Full textMainjot, Amélie. "Etude des contraintes résiduelles dans la céramique d’émaillage." Paris 13, 2011. http://www.theses.fr/2011PA132040.
Full textThe manufacture of dental crowns and bridges generates residual stresses within the veneering ceramic and framework during the cooling process. Knowing the stress distribution within the veneering ceramic as a function of depth can help the optimizing of manufacturing processes and the understanding of failures, particularly chipping, a frequent complication with zirconia-based fixed partial dentures. The first objective of this work was to transfer and to adapt an effective industrial method, the hole-drilling method, for measuring residual stresses to dental use,and to demonstrate the method for measurement of residual stresses in veneer-metal (VM) and veneer-zirconia (VZr) disks. The adapted method, presented in the earliest chapters, enables the very low stresses measurement in comparison with industrial applications, notably due to the development of a high sensitivity electrical measurement chain. The second objective was to study the influence of cooling rate, veneer thickness, and framework thickness on residual stress profile, and to compare measurements in VM and VZr structures. Results described in the following chapters reveal that VM samples always exhibited the same type of favorable stress vs. Depth profile, starting with compressive stresses at the ceramic surface, decreasing with depth, and then becoming compressive again. VZr samples showed varying stress profiles, some describing a worse curve, where the in-surface compressive stresses were found to turn into tensile stresses in the interior. A chronological two-step approach is discussed to explain residual stress development in metal-based samples,and a three-step approach,comprising the hypothesis of the phase transformation, is proposed for zirconia-based samples. The results highlighted the difficulty of defining the adequate ratio between veneer and zirconia framework thickness,and the slow cooling procedures were shown to promote tensile stress development in VZr samples
Laurent, Michel. "Evaluation des facteurs influençant l'adaptation des restaurations corono-périphériques conjointes." Aix-Marseille 2, 2003. http://www.theses.fr/2003AIX21601.
Full textLe, Luyer Mona. "Évolution dentaire dans les populations humaines de la fin du Pléistocène et du début de l’Holocène (19000 – 5500 cal. BP) : une approche intégrée des structures externe et interne des couronnes pour le Bassin aquitain et ses marges." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0003/document.
Full textSince the Late Pleistocene, a reduction in size and a morphological simplification of human teeth have been observed and arguably linked to cultural and environmental changes. Following new discoveries along with the revision of key archaeological contexts, a re-assessment of the nature of crown variations on more than 1900 teeth is proposed for 176 Late Paleolithic, Mesolithic and Early Neolithic individuals from the Aquitaine Basin and its margins. In particular, a non-invasive assessment of internal tooth structure variability (enamel thickness, dental tissue proportions, enamel-dentine junction morphology) has been performed using 3D imaging methods (microtomography) and geometric morphometrics in order to characterize and interpret dental evolution from a whole crown perspective. Results from the morphometric analyses show a discontinuity between Late Pleistocene and Early Holocene populations. External dimensions, enamel thicknesses and tissue proportions are reduced in Mesolithic individuals compared to those of the Late Paleolithic, while major differences are observed in occlusal wear patterns and enamel distribution between Mesolithic and Early Neolithic samples. These data suggest that environmentally-driven modifications during the Early Holocene had a major impact on dental reduction in human populations and that Neolithic cultural changes had mostly affected enamel distribution. Finally, a correlation between occlusal wear pattern and enamel thickness distribution is observed and associated with dietary changes. In particular, enamel thickness may have rapidly evolved as a selective response to functional changes in masticatory biomechanics
El, Gamal Ahmed. "Effet de l’irradiation laser sur les couronnes céramiques usinées en CFAO : propriétés chimiques et mécaniques et étanchéité bactérienne." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4121.
Full textThe purpose is to study the physical and chemical properties of CAD/CAM ceramics irradiated with CO2 and Nd:YAP lasers and to evaluate surface adhesion of ceramic crowns by microleakage test with a mono bacterial biofilm and a FISH technique. Methods : Evaluations tests were: Micro hardness, roughness, surface wettability, shear bond strength and EDS. 60 samples Two ceramics used: lithium disilicate and zirconia ceramics were prepared for different test. For microleakage test:Six ceramics crowns of different ceramics were contaminated with a Streptococcus salivarius biofilm for 10 d. Fluorescence in situ hybridization technique was applied samples were examined with confocal laser microscope. Results: Shear bond test showed significant difference between irradiated and non irradiated (p. value= 0,014 S). Partial superficial wettability was observed for the two ceramics. In micro hardness test, CO2 at 5 W increased micro hardness of lithium disilicate ceramics with significant value (6,32 GPa). SEM showed rough surface in all groups. EDS did not modify the chemical composition of tested ceramics. No significant rise in temperature could be recorded on both types of ceramic.The micro leakage test of a mono-bacterial biofilm was positive at the crown / tooth cervical junction. Conclusion: CO2 and Nd: YAP lasers modify CAD/CAM ceramic surfaces without chemical composition modifications. CO2 irradiation increase shear bond strength, surface roughness, micro hardness and made CAD/CAM ceramics hydrophilic. Irradiation with CO2 laser seems to improve surface adhesion and decrease bacterial microleakage
Books on the topic "Couronne dentaire"
F, Land Martin, and Fujimoto Junhei, eds. Contemporary fixed prosthodontics. 2nd ed. St. Louis: Mosby, 1995.
Find full textF, Land Martin, and Fujimoto Junhei, eds. Contemporary fixed prosthodontics. 3rd ed. St. Louis: Mosby, 2001.
Find full textT, Shillingburg Herbert, ed. Fundamentals of fixed prosthodontics. 3rd ed. Chicago: Quintessence Pub. Co., 1997.
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