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Conseuro Abstracts Paris 2013 Clin Oral Invest (2013) 17:1029–1111 DOI 10.1007/s00784-013-0943-1 ABSTRACTS Poster abstracts of the 6th biennial meeting of the European Federation of Conservative Dentistry (EFCD) held in association with the 33th national congress of the College National des Enseignants en Odontologie Conservatrice (CNEOC), France, 9–11 May 2013, Paris, France Pierre Colon Hannover, elected at the scientific foundation of the EFCD will The sixth biennial meeting of the European Federation of give a short presentation about her research in Leuven. These Conservative Dentistry (EFCD) held in association with the na- lectures will be followed by the welcome reception. tional congress of the College National des Enseignants en Four different sessions, one poster session are scheduled on Odontologie Conservatrice (CNEOC) with concurrent meetings Friday. Twelve invited international lecturers will participate to of member associations of EFCD, Academy of Operative the scientific sessions: Pulp and biomaterials, new trends in cari- Dentistry European Section (AODES), and Sociedad Española de ology, dental adhesion, new trends in endodontics. Two parallel Odontologica Conservadora (SEOC) and annual meeting of the sessions allow this variety of topics in the same day. The poster Société Française des Biomatériaux Dentaires (SFBD), provides presentations are organized in seven sessions: Dental materials, the opportunity to scientists and practitioners working on preven- prevention, operative dentistry,endodonticsandpulpbiology, tion, restoration and aesthetics in conservative dentistry but also clinical cases, student session, dental education. There are 206 posters in endodontics, pulp biology and dental education to come to- presented as poster display or poster discussion. Poster presenters gether in Paris, France. The joint meeting called “Conseuro Paris entered into the poster prize competitions are eligible to win “the 2013” is of 3 days duration. Best Poster Prize of Conseuro Paris 2013” of each poster catego- In the morning of the first day of Conseuro Paris 2013, there will ry. Scientific programme on the third day include two sessions: be meetings of AODES, CNEOC, SFBD, and SEOC. The scien- CAD CAM Restorations and “Learning from mistake in adhesive tific programme of Conseuro 2013 begins in the afternoon. One dentistry”. session focused on “composite resins” and a symposium on tooth The closing ceremony will be the opportunity to give poster prizes in wear held in a parallel session are scheduled. One poster session each category. The end of Conseuro Paris 2013 will be the sentence: is organized in the same time. In the evening, the opening “See you at Conseuro London 2015” ceremony will be the opportunity to give to Prof G Schmalz and to prof. G Bergenholtz the 2011 and 2012 EFCD award of Excellence for their outstanding contributions to conservative den- Pierre Colon tistry. Each of them will give a short lecture in a close relation- President of the EFCD and Conseuro Paris 2013 ship with their scientific career. Furthermore, Dr A.K. Lührs from e-mail: [email protected] 1030 Clin Oral Invest (2013) 17:1029–1111 012 016 Category: Biomaterials Category: Biomaterials POLISHED VS GLAZED SURFACE PROPERTIES OF LITHIUM CHEMICAL IMAGERY OF DENTAL COMPOSITES USING DISILICATE CERAMIC (IPS E.MAX®, IVOCLAR VIVADENT): A CONFOCAL RAMAN MICROSCOPE A PHYSICO-CHEMICAL AND BIOLOGICAL STUDY Arroyo Bote Sebastiana1,MartínezOsorioJavier1,Jawhari E-E. Azogui1, J-L. Duval2, R. Jannetta1, I. Pezron3, C. Egles24, Tariq2, BrauAguadéEsteban1 C. Brunot-Gohin1256 1Odonto e stomatology Department, University of Barcelona 1UFR d’Odontologie, Université de Reims Champagne Ardenne, 2 rue 2Scientific and Technological Center, University of Barcelona du Général Köenig, 51100 Reims, France 2Laboratoire de BioMécanique et BioIngénierie (BMBI), UMR CNRS Objective: The objective of the study is to describe the possible 7338, Université de Technologie de Compiègne, Centre de Recherches applications of a Confocal Raman Microscope in the study of compos- de Royallieu, BP 20529, rue Personne de Roberval, 60205 Compiègne ite materials for dental restauration. Cedex, France Methods: Extracted human molarswithoutcaries,dentalXenoV 3Laboratoire des Transformations Intégrées de la Matière adhesive, Flow SDR composite and Ceram Duo (Dentsply) composite Renouvelable (TIMR), EA 4297 Université de Technologie de have been used. An occlusal cavity has been performed in each of the Compiègne, Centre de Recherches de Royallieu, BP 20529, rue molars (Class I), of about 3 mm diameter by 4 mm deep, then the Personne de Roberval, 60205 Compiègne Cedex, France samples were washed and slightly dried to proceed to the sealing of the 4Department of Oral and Maxillofacial Pathology, Tufts University, cavities, with the selected materials, following the manufacturer’s School of Dental Medicine, 1 Kneeland Street, Boston MA 02111 instructions. Subsequently, samples were resin included and each of USA them was cut following longitudinal-coronoapical direction and mesio- 5Laboratoire des Biomatériaux et Inflammation en Site Osseux (BIOS), distal direction, obtaining two inner halves of dental fillings. The EA 4691, SFR CAP-Santé (FED 4231), Université Reims Champagne- samples were placed on a slide and observed under a Confocal Ardenne, 1 rue du Maréchal Juin, 51 000 Reims, France Raman Miscroscope WITec GmbH. 6Pôle Odontologie, CHU de Reims, Service de Prothèses, 48 rue Results: Raman images of different regions (20 μm×20 μmand Cognacq-Jay, 51100 Reims, France 5 μm×5 μm) of the samples surface compositions were obtained. The chemometric study with an algorithm for Cluster Analysis of Objectives:Lithiumdisilicateceramicsarewidelyusedmaterials Raman images can separate these different regions that, in addition, in aesthetic dentistry and fixed prosthesis. Moreover, IPS e.max® can be well correlated with the optical images obtained with traditional Press or CAD was recently reported as the most robust and light microscope. Thus type of analysis allows determining the distri- durable all-ceramic system tested to date. Despite multiple bio- bution, size and concentration of some of the particles such as titanium medical applications, little is known about ceramic surface mod- dioxide. Furthermore, differences in the intensities of the spectrum of ifications and the resulting cell behaviour at its contact. The aim the organic resin allow distinguishing two types of areas rich in resin: of this study was to analyze surface properties and biological one richer and one less rich. These intensity variations can be related response of two different surfaces: glazed vs manual polished with regions rich and poor on particles or other elements (other than surface treatment. titanium dioxide). The percentage composition of these areas can also Methods: Our study was realized with lithium disilicate ceramic sam- be statistically quantified. Furthermore, it was found that these two ples (IPS e-max® Press, Ivoclar Vivadent, France) with 3 different types of regions agree very well with the morphological differences surface treatments: raw, hand polished, and glazed surface treatment observed under light microscopy. (control samples were Thermanox®). Surface characterizations were Conclusion: The use of Confocal Raman Microscope is a research analysed by water-drop method, interferometry, and scanning electro- technique that provides information on the composition and dis- nmicroscopy. Moreover, we compared cell response between polished tribution of the various elements making up a material, allowing and glazed surfaces using an organotypic culture model of chicken us to make a statistical calculation of the materials’ composition, epithelium. so it can be considered a research method that provides comple- Results:Resultsdemonstratedthat the surface roughness is not mentary information to other research techniques such as Electron modified as shown by equivalent Ra measurements. On the con- Microscopy. trary, the contact angle θ in water is very different between polished (82°) and glazed (32°) samples. The culture of epithelial tissues allowed a very precise assessment of histocompatibility of 019 these interfaces and showed that polished samples increased cell adhesion and proliferation as compared to glazed samples. Finally, Category: Biomaterials we demonstrated that lithium disilicate dental ceramic is not cytotoxic in vitro. ANEWTESTINGPROTOCOLFORZIRCONIADENTAL Conclusion:Lithiumdisilicatepolishedceramicprovidedbetter IMPLANTS adhesion and proliferation than lithium disilicate glazed ceramic. Sanon Clarisse 1,2, Chevalier Jérôme1, Gremillard Laurent1, Douillard Taken together, our results demonstrated for the first time, how it Thierry1, Scherrer Susanne3 is possible to use simple surface modifications to finely modulate 1Mateis, INSA Lyon, CNRS UMR 5510, 69621 Villeurbanne, France the adhesion of tissues. Our results will help dental surgeon to 2Dental Faculty Department of Biomaterials, University of Lyon, France choose the most appropriate surface treatment for a specific 3Department of Prosthodontics, School of Dental Medicine, University clinical application, in particular for the CAD/CAM skills or of Geneva, Switzerland for aesthetic ceramic implant collar. We conclude therefore that polished lithium disilicate ceramic is promising to be used to Objective: Dental zirconia is mainly found in the form of yttria-stabilized improve aesthetic collar implant and to tight the perio-implant
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