Letteratura scientifica selezionata sul tema "Dentine – Évolution"
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Articoli di riviste sul tema "Dentine – Évolution"
Pearce, Chris. "Diagnostic et traitements d’une carie infundibulaire chez le cheval". Le Nouveau Praticien Vétérinaire équine 12, n. 43 (2017): 23–29. https://doi.org/10.1051/npvequi/43023.
Testo completoKane, AST, AS Maiga, K. Kamissoko, B. Diallo, A. Sanogo, A. Traore e A. Togo. "Hyperplasie gingivale fibreuse idiopathique". Journal Africain des Cas Cliniques et Revues 8, n. 3 (10 luglio 2024): 38–42. http://dx.doi.org/10.70065/24ja83.007l011007.
Testo completoPerrier, Benoît, e Anne Abbe Denizot. "Un acteur professionnel et institutionnel fondé sur la dynamique du « Aller Vers »". Santé Publique 35, HS1 (1 dicembre 2023): 157–61. http://dx.doi.org/10.3917/spub.hs1.2023.0157.
Testo completoVergnes, Jean-Noel, e Sylvie Azogui. "« Santé Publique Orale » : contexte, enjeux et perspectives". Santé Publique 35, HS1 (1 dicembre 2023): 9–16. http://dx.doi.org/10.3917/spub.hs1.2023.0009.
Testo completoINSOM, E., M. L. MAGNONI e A. M. SIMONETTA. "Etudes sur la morphologie évolutive des Ochotonidés (Mammalia, Lagomorpha). 2. La morphologie dentaire d’Ochotona rufescens et d’Ochotona roylei". Mammalia 55, n. 4 (1991): 609–18. http://dx.doi.org/10.1515/mamm.1991.55.4.609.
Testo completoM., Moussa, Kolié A., Camara A., Kourouma A., Saley M. e Touré A. "Prevalence Des Maladies Stomatologiques En Milieu Cardiologique Dans Les Hopitaux Nationaux De Niamey". European Scientific Journal, ESJ 17, n. 21 (30 giugno 2021): 180. http://dx.doi.org/10.19044/esj.2021.v17n21p180.
Testo completoBARAS, Alice. "Agir pour la santé de la planète en intégrant une démarche écoresponsable dans les cabinets : une expérimentation française en cabinet dentaire/ Acting for planetary health by integrating an eco-responsible approach in practices : A french experiment in dental practice". International Health Trends and Perspectives 2, n. 3 (31 ottobre 2022): 27–47. http://dx.doi.org/10.32920/ihtp.v2i3.1713.
Testo completoAdmin - JAIM. "Résumés des conférences JRANF 2021". Journal Africain d'Imagerie Médicale (J Afr Imag Méd). Journal Officiel de la Société de Radiologie d’Afrique Noire Francophone (SRANF). 13, n. 3 (17 novembre 2021). http://dx.doi.org/10.55715/jaim.v13i3.240.
Testo completoTesi sul tema "Dentine – Évolution"
Augoyard, Mathilde. "Covariation des tissus osseux et dentaires chez les humains modernes et tendances évolutives dans la lignée humaine". Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0480.
Testo completoCortical bone and dentine are two biological tissues sharing a common genetic origin, overall structure, composition, and embryological development, distinct from those of enamel. Various observations suggest the possibility of coordinated postnatal development of these two tissues in hominins. For example, Neandertals display higher cortical bone volumes in their infra-cranial skeleton and greater dentine robustness compared to modern humans, while absolute enamel volumes are similar between the two taxa. Studies of immature Neandertal specimens indicate that their cortical bone and dentine robustness may be present from early developmental stages. In this doctoral research, we aimed to understand whether the structural and developmental affinities between cortical bone and dentine could lead to coordinated postnatal development of these tissues in modern humans. To this end, we measured the coordinated variation of cortical bone and dentine volumes in a sample of modern humans, comprising 12 immature individuals and 70 adults. Using microtomographic acquisitions of the arm, forearm bones, and anterior dentition, we conducted a methodological approach combining the quantification of cortical bone and dentine volumes with the analysis of their topographic distribution. Our results highlight a developmental desynchronization between cortical bone and dentine during the growth of immature individuals, leading to weak covariation between their cortical bone and dentine volumes. The bone-dentine covariation signal is stronger in adults, suggesting that common factors may influence postnatal development of these tissues once skeletal and dental maturation is achieved. This research highlights the predominant role of the hormonal milieu in the postnatal development of these tissues, while the biomechanical history of the skeleton appears to have a more limited impact. A preliminary analysis of bone-dentine covariation was conducted on chimeric individuals of Paranthropus, Australopithecus, and Neandertals. Most of these individuals deviate from the modern human bone-dentine relationship, characterized by higher dentine volumes in fossil taxa and cortical bone volumes similar to those of modern humans. A slowdown in growth and development has been described in Homo sapiens compared to fossil hominins, which may explain the unique bone-dentine relationship seen in this taxon. This doctoral thesis provides an original contribution to the study of bone and dental tissue volumes and distribution in various fossil and extant hominin taxa, offering insights into the impact of genetic, environmental, and evolutionary factors acting on their development
Le, 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.
Testo completoSince 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
Santoni, Sylvain. "Denture d'un Sao (Cameroun) : anatomie, anthropologie, évolution". Clermont-Ferrand 1, 2006. http://www.theses.fr/2006CLF1DD03.
Testo completoVernet, Thierry. "Evolution crano-maxillo-dentaire des singes antropoïdes à l'homme actuel". Aix-Marseille 2, 1991. http://www.theses.fr/1991AIX21090.
Testo completoLaborier, Claude. "Évolution de l'ultrastructure de l'émail dentaire chez les campagnols (arvicolidae, rodentia)". Dijon, 1991. http://www.theses.fr/1991DIJOS037.
Testo completoPasco-Viel, Emmanuel. "Evolution de la denture pharyngienne des Cypriniformes". Thesis, Lyon, École normale supérieure, 2013. http://www.theses.fr/2013ENSL0865.
Testo completoCypriniformes are the most diverse freshwater fish clade with around 4,000 species. They are characterized by the absence of oral teeth and the presence of pharyngeal teeth restricted to the fifth ceratobranchials. Yet, compared to other groups, their pharyngeal dentition displays a huge diversity both in terms of number and shape. I have investigated the extant of the diversity of the pharyngeal dentition in Cypriniformes, in a phylogenetic framework, allowing to decipher evolutionary trends. I have studied several groups within Cypriniformes in more details, because of their importance in terms of diversity. I have tried to understand what factors could explain this diversity of pharyngeal dentition and it appeared that those factors could be different according to each group. Whereas diet and other ecological factors are important in Cyprininae, it is not the case in Leuciscinae in which there are essentially phylogenetic signals. In another group, Danioninae, it is the type of development which explains the diversity of pharyngeal dentition. This detailed study of the diversity of pharyngeal dentition in Cypriniformes will allow to use this group as a new model of Evo/devo of teeth thanks to the zebrafish, which is already a model in developmental biology. In this context, a first study of a zebrafish mutant displaying dental defects has shown the role of retinoic acid in the development and the evolution of tooth number and shape in Cypriniformes.This work is an exploration of the diversity of the pharyngeal dentition in Cypriniformes, allowing to point out evolutionary trends and to understand factors that account for the evolution of pharyngeal teeth
Souday, Caroline. "Analyse morphométrique des molaires déciduales et définitives dans le genre Homo : perspectives phylogénétiques et biogéographiques". Paris, Muséum national d'histoire naturelle, 2008. http://www.theses.fr/2008MNHN0006.
Testo completoWorks concerning hominid phylogeny are confronted to a major problem : the representativeness of the fossil record. In that context, dental remains are of a great interest as they are the best preserved anatomical elements. The morphology of permanent and deciduous molar crowns in the Homo genus was thus analysed by geometric morphometrics approach : radial Fourier transform. The originality of the postcanine teeth morphology among Neandertal has been demonstrated by this approach, as well as their morphological proximity with older European fossils. These results allow us to consider a morphological differentiation from the early middle Pleistocene,eventually earlier, in Europe. In addition, a more detailed analysis on Neandertal variability enabled to show a correlation between morphological distances and geographical distances for the first superior molars
Lazzari, Vincent. "Origine et évolution du plan dentaire "murin" chez les Muroidea (Rodentia, Mammalia) : apports de la paléontologie, de la morphologie fonctionnelle et du développement dans l'étude d'une innovation évolutive". Montpellier 2, 2006. http://www.theses.fr/2006MON20192.
Testo completoAlbertini, Henri. "Evolution de l'extrémité céphalique des poissons à l'homme actuel : contribution à la recherche d'une filière dentaire". Aix-Marseille 2, 1987. http://www.theses.fr/1987AIX21910.
Testo completoThiery, Ghislain. "Analyse morpho-fonctionnelle de la topographie dentaire 3d chez les primates actuels et fossiles". Thesis, Poitiers, 2016. http://www.theses.fr/2016POIT2294/document.
Testo completoMammalian teeth are a major tool in food cominution and fracture. Conversely, food mechanical properties apply a strong selective pressure on dental morphology. The aim of this manuscript is to investigate whether this adaptive signal can be detected from dental shape in extant and extinct primates.In this context, the 3D dental topography of 31 species of extant primates is analyzed with a combination of traditional and original variables. Furthermore one extinct colobine monkey, Mesopithecus pentelicus from the Late Miocene of Pikermi (Greece) is investigated. The results are interpreted using dietary categories, but also a novel categorization system that evaluates the mechanical scope of food shearing, grinding and cracking.Selected variables show significant differences between dietary categories as well as mechanical scopes across the sample. Moreover, the dental morphology of M. pentelicus is predicted to be intermediate between hard food cracking and tough food shearing taxa.In addition, the new variables show that shearing crests are significantly sharper in tough food shearers, which confirms their suggested role as a dental shearing tool. In contrast, enamel thickness distribution seems more homogenous within durophageous species, which suggests that the whole tooth per se makes the basic cracking tool of primates
Capitoli di libri sul tema "Dentine – Évolution"
Rey, Gérard, e Patrick Missika. "Parodontites et évolution des traitements parodontaux". In Traitements parodontaux et lasers en omnipratique dentaire, 9–26. Elsevier, 2010. http://dx.doi.org/10.1016/b978-2-294-70857-2.50001-2.
Testo completoAtti di convegni sul tema "Dentine – Évolution"
Gossiome, C., F. Rufino, G. Herve, M. Benassarou, P. Goudot, V. Descroix e G. Lescaille. "Découverte fortuite d’une lésion mandibulaire, un cas de kyste anévrismal". In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206603020.
Testo completoSicard, L., e R. Khonsari. "Conséquences dentaires de la dysjonction pterygo-maxillaire pendant les chirugies d’avancée fronto-faciale monobloc dans le traitement des syndromes de Crouzon". In 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206602001.
Testo completo