{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1671"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1671","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"Μελέτη στη συγκόλληση διαφόρων σύνθετων ρητινών μεταξύ τους","abstract":"QUITE OFTEN THE CLINICIAN FACES THE DILEMMA OF REPLACING OR REPAIRING A COMPOSITE RESIN FILLING. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE BOND STRENGTH, VIA SHEAR FORCES, OF REPAIRED COMPOSITE RESIN. A SMALL PARTICLE, AN HYBRIDE AND TWO MICROFILLED COMPOSITE RESINS WERE USED. CYLINDER SPECIMENS OF THE ABOVERESINS WERE CONSTRUCTED AND 7 DAYS LATER THEIR SURFACES WERE ABRADED WITH 320 GRID PAPER, TREATED WITH 37% O-PHOSPHORIC ACID OR POLYACRYLIC ACID AND REPAIREDWITH THE NEW COMPOSITE RESIN. THE RESINS WERE REPAIRED WITH THE SAME ONES BUT ALSO THE SMALL PARTICLE ONE WITH THE HYBRID AND VICE VERSA AND THE TWO MICROFILLED WERE PAIRED BETWEEN THEM. SPECIMENS SAME IN DIMENSIONS WITH THE REPAIRED, BUT FULLY POLYMERISED IN A BULK SERVED AS CONTROLS. FROM THE RESULTS IT WAS SHOWN THAT MICROFILLED COMPOSITE RESINS HAD SHEAR STRENGTH 17% TO 72% OF THE CONTROL SPECIMENS, THE SMALL PARTICLE 45% TO 75% AND THE HYBRID 28% TO 90%. THE TREATMENT OF THE SURFACES WITH O-PHOSPHORIC OR POLYACRYLIC ACID DID NOT AFFECT THE SHEAR STRENGTH OF THE REPAIRS .","abstract_html":"QUITE OFTEN THE CLINICIAN FACES THE DILEMMA OF REPLACING OR REPAIRING A COMPOSITE RESIN FILLING. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE BOND STRENGTH, VIA SHEAR FORCES, OF REPAIRED COMPOSITE RESIN. A SMALL PARTICLE, AN HYBRIDE AND TWO MICROFILLED COMPOSITE RESINS WERE USED. CYLINDER SPECIMENS OF THE ABOVERESINS WERE CONSTRUCTED AND 7 DAYS LATER THEIR SURFACES WERE ABRADED WITH 320 GRID PAPER, TREATED WITH 37% O-PHOSPHORIC ACID OR POLYACRYLIC ACID AND REPAIREDWITH THE NEW COMPOSITE RESIN. THE RESINS WERE REPAIRED WITH THE SAME ONES BUT ALSO THE SMALL PARTICLE ONE WITH THE HYBRID AND VICE VERSA AND THE TWO MICROFILLED WERE PAIRED BETWEEN THEM. SPECIMENS SAME IN DIMENSIONS WITH THE REPAIRED, BUT FULLY POLYMERISED IN A BULK SERVED AS CONTROLS. FROM THE RESULTS IT WAS SHOWN THAT MICROFILLED COMPOSITE RESINS HAD SHEAR STRENGTH 17% TO 72% OF THE CONTROL SPECIMENS, THE SMALL PARTICLE 45% TO 75% AND THE HYBRID 28% TO 90%. THE TREATMENT OF THE SURFACES WITH O-PHOSPHORIC OR POLYACRYLIC ACID DID NOT AFFECT THE SHEAR STRENGTH OF THE REPAIRS .","abstract_has_math":false,"creators":["Loukidis, Michail","Λουκίδης, Μιχαήλ"],"institution":"National and Kapodistrian University of Athens","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991","date_published":"1991","updated_at":"2026-07-24T02:25:02Z","subjects":["Επιδιόρθωση σύνθετων ρητινών","Συνδιασμός σύνθετων ρητινών","Σύνθετες ρητίνες","Τροποποίηση επιφάνειας","Φωτοπολυμεριζόμενες σύνθετες ρητίνες","Composite resin combination","Composite resins","Light cured composite resin","Repair of composite resins","Surface modification","Ιατρική και Επιστήμες Υγείας","Κλινική Ιατρική","Medical and Health Sciences","Clinical Medicine"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1671"],"render_values":[{"text":"10.12681/eadd/1671","href":"https://doi.org/10.12681/eadd/1671","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1671","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Loukidis, Michail","Λουκίδης, Μιχαήλ"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1991"]},{"key":"dc:publisher","label":"Institution","values":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Επιδιόρθωση σύνθετων ρητινών","Συνδιασμός σύνθετων ρητινών","Σύνθετες ρητίνες","Τροποποίηση επιφάνειας","Φωτοπολυμεριζόμενες σύνθετες ρητίνες","Composite resin combination","Composite resins","Light cured composite resin","Repair of composite resins","Surface modification","Ιατρική και Επιστήμες Υγείας","Κλινική Ιατρική","Medical and Health Sciences","Clinical Medicine"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1671","http://hdl.handle.net/10442/hedi/1671"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["QUITE OFTEN THE CLINICIAN FACES THE DILEMMA OF REPLACING OR REPAIRING A COMPOSITE RESIN FILLING. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE BOND STRENGTH, VIA SHEAR FORCES, OF REPAIRED COMPOSITE RESIN. A SMALL PARTICLE, AN HYBRIDE AND TWO MICROFILLED COMPOSITE RESINS WERE USED. CYLINDER SPECIMENS OF THE ABOVERESINS WERE CONSTRUCTED AND 7 DAYS LATER THEIR SURFACES WERE ABRADED WITH 320 GRID PAPER, TREATED WITH 37% O-PHOSPHORIC ACID OR POLYACRYLIC ACID AND REPAIREDWITH THE NEW COMPOSITE RESIN. THE RESINS WERE REPAIRED WITH THE SAME ONES BUT ALSO THE SMALL PARTICLE ONE WITH THE HYBRID AND VICE VERSA AND THE TWO MICROFILLED WERE PAIRED BETWEEN THEM. SPECIMENS SAME IN DIMENSIONS WITH THE REPAIRED, BUT FULLY POLYMERISED IN A BULK SERVED AS CONTROLS. FROM THE RESULTS IT WAS SHOWN THAT MICROFILLED COMPOSITE RESINS HAD SHEAR STRENGTH 17% TO 72% OF THE CONTROL SPECIMENS, THE SMALL PARTICLE 45% TO 75% AND THE HYBRID 28% TO 90%. THE TREATMENT OF THE SURFACES WITH O-PHOSPHORIC OR POLYACRYLIC ACID DID NOT AFFECT THE SHEAR STRENGTH OF THE REPAIRS .","ΠΟΛΛΕΣ ΦΟΡΕΣ Ο ΚΛΙΝΙΚΟΣ ΟΔΟΝΤΙΑΤΡΟΣ ΒΡΙΣΚΕΤΑΙ ΠΡΟ ΤΟΥ ΔΙΛΛΗΜΑΤΟΣ ΝΑ ΑΦΑΙΡΕΣΕΙ ΤΕΛΕΙΩΣ 'Η ΑΝΤΙΚΑΤΑΣΤΗΣΕΙ ΜΙΑ ΕΜΦΡΑΞΗ ΣΥΝΘΕΤΗΣ ΡΗΤΙΝΗΣ. ΣΚΟΠΟΣ ΤΗΣ ΕΡΓΑΣΙΑΣ ΑΥΤΗΣ ΗΤΑΝ ΝΑ ΕΞΕΤΑΣΕΙ ΤΗΝ ΑΝΤΟΧΗ ΤΟΥ ΔΕΣΜΟΥ ΜΕΤΑΞΥ ΠΑΛΙΑΣ ΚΑΙ ΝΕΑΣ ΣΥΝΘΕΤΗΣ ΡΗΤΙΝΗΣ ΣΕ ΧΡΟΝΟ 7 ΗΜΕΡΩΝ ΜΕΤΑ ΤΟΝ ΠΟΛΥΜΕΡΙΣΜΟ ΤΗΣ ΠΡΩΤΗΣ. ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝΕ ΜΙΑ ΜΙΚΡΟΥ ΜΕΓΕΘΟΥΣ ΑΔΡΟΚΟΚΚΗ, ΜΙΑ ΥΒΡΙΔΙΚΟΥ ΤΥΠΟΥ ΚΑΙ ΔΥΟ ΜΙΚΡΟΚΟΚΚΕΣ ΣΡ ΜΕ ΤΙΣ ΟΠΟΙΕΣΚΑΤΑΣΚΕΥΑΣΤΗΚΑΝ ΚΥΛΙΝΔΡΙΚΑ ΔΟΚΙΜΙΑ. 7 ΗΜΕΡΕΣ ΜΕΤΑ ΤΗΝ ΚΑΤΑΣΚΕΥΗ ΤΩΝ ΔΟΚΙΜΙΩΝ ΗΕΠΙΦΑΝΕΙΑ ΤΟΥΣ ΕΓΙΝΕ ΑΔΡΗ ΜΕ ΓΥΑΛΟΧΑΡΤΟ 320 ΚΟΚΚΩΝ, ΕΠΕΔΡΑΣΕ Σ'ΑΥΤΗΝ ΟΡΘΟΦΩΣΦΟΡΙΚΟ ΟΞΥ ΕΙΤΕ ΠΟΛΥΑΚΡΥΛΙΚΟ ΟΞΥ ΚΑΙ ΤΟΠΟΘΕΤΗΘΗΚΕ ΝΕΑ ΡΗΤΙΝΗ. Η ΑΝΤΟΧΗ ΕΛΕΓΧΘΗΚΕ ΣΕ ΕΙΔΙΚΗ ΔΙΑΤΑΞΗ ΟΠΟΥ ΑΣΚΟΥΝΤΟ ΔΥΝΑΜΕΙΣ ΔΙΑΤΜΗΣΗΣ. ΣΑΝ ΜΑΡΤΥΡΕΣ ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝΕ ΚΥΛΙΝΔΡΙΚΑ ΔΟΚΙΜΙΑ ΙΔΙΟΥ ΕΥΡΟΥΣ ΜΕ ΤΑ ΕΠΙΔΙΟΡΘΩΜΕΝΑ ΣΤΑ ΟΠΟΙΑ Η ΣΡ ΕΙΧΕ ΠΟΛΥΜΕΡΙΣΤΕΙ ΠΛΗΡΩΣ ΣΕ ΕΝΙΑΙΟ ΣΤΡΩΜΑ. ΑΠΟ ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΦΑΝΗΚΕ ΟΤΙ ΤΑ ΕΠΙΔΙΟΡΘΩΜΕΝΑ ΔΟΚΙΜΙΑ ΕΙΧΑΝ ΜΙΚΡΟΤΕΡΗ ΑΝΤΟΧΗ ΠΟΥ ΚΥΜΑΝΘΗΚΕ ΑΠΟ 17% ΕΩΣ 90% ΣΥΓΚΡΙΤΙΚΑ ΜΕ ΤΟΥΣ ΜΑΡΤΥΡΕΣ. Η ΔΡΑΣΗ ΤΟΥ ΟΡΘΟΦΩΣΦΟΡΙΚΟΥ ΚΑΙ ΤΟΥ ΠΟΛΥΑΚΡΥΛΙΚΟΥ ΟΞΕΟΣ ΔΕΝ ΕΙΧΕ ΑΞΙΟΣΗΜΕΙΩΤΗ ΕΠΙΔΡΑΣΗ ΣΤΗΝ ΑΝΤΟΧΗ ΤΩΝ ΕΠΙΔΙΟΡΘΩΣΕΩΝ."]},{"key":"dc:title","label":"Title","values":["Μελέτη στη συγκόλληση διαφόρων σύνθετων ρητινών μεταξύ τους","Bond strength of various composite resins to eachother"]}]}],"canonical_facts":{"dc:creator":["Loukidis, Michail","Λουκίδης, Μιχαήλ"],"dc:date":["1991"],"dc:description":["QUITE OFTEN THE CLINICIAN FACES THE DILEMMA OF REPLACING OR REPAIRING A COMPOSITE RESIN FILLING. THE PURPOSE OF THIS STUDY WAS TO INVESTIGATE THE BOND STRENGTH, VIA SHEAR FORCES, OF REPAIRED COMPOSITE RESIN. A SMALL PARTICLE, AN HYBRIDE AND TWO MICROFILLED COMPOSITE RESINS WERE USED. CYLINDER SPECIMENS OF THE ABOVERESINS WERE CONSTRUCTED AND 7 DAYS LATER THEIR SURFACES WERE ABRADED WITH 320 GRID PAPER, TREATED WITH 37% O-PHOSPHORIC ACID OR POLYACRYLIC ACID AND REPAIREDWITH THE NEW COMPOSITE RESIN. THE RESINS WERE REPAIRED WITH THE SAME ONES BUT ALSO THE SMALL PARTICLE ONE WITH THE HYBRID AND VICE VERSA AND THE TWO MICROFILLED WERE PAIRED BETWEEN THEM. SPECIMENS SAME IN DIMENSIONS WITH THE REPAIRED, BUT FULLY POLYMERISED IN A BULK SERVED AS CONTROLS. FROM THE RESULTS IT WAS SHOWN THAT MICROFILLED COMPOSITE RESINS HAD SHEAR STRENGTH 17% TO 72% OF THE CONTROL SPECIMENS, THE SMALL PARTICLE 45% TO 75% AND THE HYBRID 28% TO 90%. THE TREATMENT OF THE SURFACES WITH O-PHOSPHORIC OR POLYACRYLIC ACID DID NOT AFFECT THE SHEAR STRENGTH OF THE REPAIRS .","ΠΟΛΛΕΣ ΦΟΡΕΣ Ο ΚΛΙΝΙΚΟΣ ΟΔΟΝΤΙΑΤΡΟΣ ΒΡΙΣΚΕΤΑΙ ΠΡΟ ΤΟΥ ΔΙΛΛΗΜΑΤΟΣ ΝΑ ΑΦΑΙΡΕΣΕΙ ΤΕΛΕΙΩΣ 'Η ΑΝΤΙΚΑΤΑΣΤΗΣΕΙ ΜΙΑ ΕΜΦΡΑΞΗ ΣΥΝΘΕΤΗΣ ΡΗΤΙΝΗΣ. ΣΚΟΠΟΣ ΤΗΣ ΕΡΓΑΣΙΑΣ ΑΥΤΗΣ ΗΤΑΝ ΝΑ ΕΞΕΤΑΣΕΙ ΤΗΝ ΑΝΤΟΧΗ ΤΟΥ ΔΕΣΜΟΥ ΜΕΤΑΞΥ ΠΑΛΙΑΣ ΚΑΙ ΝΕΑΣ ΣΥΝΘΕΤΗΣ ΡΗΤΙΝΗΣ ΣΕ ΧΡΟΝΟ 7 ΗΜΕΡΩΝ ΜΕΤΑ ΤΟΝ ΠΟΛΥΜΕΡΙΣΜΟ ΤΗΣ ΠΡΩΤΗΣ. ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝΕ ΜΙΑ ΜΙΚΡΟΥ ΜΕΓΕΘΟΥΣ ΑΔΡΟΚΟΚΚΗ, ΜΙΑ ΥΒΡΙΔΙΚΟΥ ΤΥΠΟΥ ΚΑΙ ΔΥΟ ΜΙΚΡΟΚΟΚΚΕΣ ΣΡ ΜΕ ΤΙΣ ΟΠΟΙΕΣΚΑΤΑΣΚΕΥΑΣΤΗΚΑΝ ΚΥΛΙΝΔΡΙΚΑ ΔΟΚΙΜΙΑ. 7 ΗΜΕΡΕΣ ΜΕΤΑ ΤΗΝ ΚΑΤΑΣΚΕΥΗ ΤΩΝ ΔΟΚΙΜΙΩΝ ΗΕΠΙΦΑΝΕΙΑ ΤΟΥΣ ΕΓΙΝΕ ΑΔΡΗ ΜΕ ΓΥΑΛΟΧΑΡΤΟ 320 ΚΟΚΚΩΝ, ΕΠΕΔΡΑΣΕ Σ'ΑΥΤΗΝ ΟΡΘΟΦΩΣΦΟΡΙΚΟ ΟΞΥ ΕΙΤΕ ΠΟΛΥΑΚΡΥΛΙΚΟ ΟΞΥ ΚΑΙ ΤΟΠΟΘΕΤΗΘΗΚΕ ΝΕΑ ΡΗΤΙΝΗ. Η ΑΝΤΟΧΗ ΕΛΕΓΧΘΗΚΕ ΣΕ ΕΙΔΙΚΗ ΔΙΑΤΑΞΗ ΟΠΟΥ ΑΣΚΟΥΝΤΟ ΔΥΝΑΜΕΙΣ ΔΙΑΤΜΗΣΗΣ. ΣΑΝ ΜΑΡΤΥΡΕΣ ΧΡΗΣΙΜΟΠΟΙΗΘΗΚΑΝΕ ΚΥΛΙΝΔΡΙΚΑ ΔΟΚΙΜΙΑ ΙΔΙΟΥ ΕΥΡΟΥΣ ΜΕ ΤΑ ΕΠΙΔΙΟΡΘΩΜΕΝΑ ΣΤΑ ΟΠΟΙΑ Η ΣΡ ΕΙΧΕ ΠΟΛΥΜΕΡΙΣΤΕΙ ΠΛΗΡΩΣ ΣΕ ΕΝΙΑΙΟ ΣΤΡΩΜΑ. ΑΠΟ ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΦΑΝΗΚΕ ΟΤΙ ΤΑ ΕΠΙΔΙΟΡΘΩΜΕΝΑ ΔΟΚΙΜΙΑ ΕΙΧΑΝ ΜΙΚΡΟΤΕΡΗ ΑΝΤΟΧΗ ΠΟΥ ΚΥΜΑΝΘΗΚΕ ΑΠΟ 17% ΕΩΣ 90% ΣΥΓΚΡΙΤΙΚΑ ΜΕ ΤΟΥΣ ΜΑΡΤΥΡΕΣ. Η ΔΡΑΣΗ ΤΟΥ ΟΡΘΟΦΩΣΦΟΡΙΚΟΥ ΚΑΙ ΤΟΥ ΠΟΛΥΑΚΡΥΛΙΚΟΥ ΟΞΕΟΣ ΔΕΝ ΕΙΧΕ ΑΞΙΟΣΗΜΕΙΩΤΗ ΕΠΙΔΡΑΣΗ ΣΤΗΝ ΑΝΤΟΧΗ ΤΩΝ ΕΠΙΔΙΟΡΘΩΣΕΩΝ."],"dc:identifier":["10.12681/eadd/1671","http://hdl.handle.net/10442/hedi/1671"],"dc:language":["gre"],"dc:publisher":["National and Kapodistrian University of Athens","Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)"],"dc:subject":["Επιδιόρθωση σύνθετων ρητινών","Συνδιασμός σύνθετων ρητινών","Σύνθετες ρητίνες","Τροποποίηση επιφάνειας","Φωτοπολυμεριζόμενες σύνθετες ρητίνες","Composite resin combination","Composite resins","Light cured composite resin","Repair of composite resins","Surface modification","Ιατρική και Επιστήμες Υγείας","Κλινική Ιατρική","Medical and Health Sciences","Clinical Medicine"],"dc:title":["Μελέτη στη συγκόλληση διαφόρων σύνθετων ρητινών μεταξύ τους","Bond strength of various composite resins to eachother"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:02Z"}