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Dissertations / Theses on the topic 'Crown fracture'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Han, Xu B. "Success Rate of Cvek Pulpotomies in Permanent Teeth with Complicated Crown Fractures." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1468364330.

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2

Alsaery, Amani Saleh. "Strain and load-to-fracture comparison of CAD-CAM dental implant crown materials under loading." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1483730173077362.

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3

Crowe, Paul Richard. "The marmoset periodontal ligament : a T.E.M. morphometric analysis following incisor crown fracture, root canal therapy and orthodontic extrusion /." Title page, contents and summary only, 1989. http://web4.library.adelaide.edu.au/theses/09DM/09dmc953.pdf.

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Thesis (M.D.S.)--Dept. of Dentistry, Faculty of Dentistry, University of Adelaide, 1990.<br>Spine title: A T.E.M. investigation of extrusion and R.C.T. on the marmoset periodontal ligament. Typescript (Photocopy). Includes bibliographical references (leaves 163-191).

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4

Filho, Antonio Ruy Chaves. ""Estudo comparativo da resistência às forças de compressão de uma coroa metalocerâmica fraturada e reparada com resina composta híbrida fotopolimerizável com um dente natural permanente e com uma coroa metalocerâmica íntegra"." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/23/23134/tde-25062002-100754/.

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As porcelanas odontológicas têm sido dos materiais restauradores estéticos aqueles que mais têm evoluído nos últimos anos. Tradicionalmente, elas são friáveis e incapazes de suportar deformações estruturais quando submetidas a stress. Quando usadas na construção de próteses parciais fixas, uma subestrutura metálica é necessária para impedir que se fraturem sob esforços oclusais. Forças de compressão aplicadas em uma porcelana suportada por metal, de tal forma que não seja possível a sua flexão, poderão ser suportadas em elevadas magnitudes. Entretanto, falhas podem acontecer manifestando-se no

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5

Weir, Anthony Paul. "The marmoset periodontal ligament : a T.E.M. analysis following incisor crown fracture, endodontic therapy, orthodontic extrusion and long term retention ; morphometric and stereologic data /." Title page, contents and summary only, 1990. http://web4.library.adelaide.edu.au/theses/09DM/09dmw425.pdf.

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6

Mansour, Yasar Farouq. "The failure of dentine-bonded crowns : a fracture mechanics approach." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343018.

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7

Nilsson, Eddie, and Marko Drazic. "Fracture resistance of porcelain-veneered gold-alloy and zirconia molar crowns." Thesis, Malmö högskola, Odontologiska fakulteten (OD), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19673.

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AbstraktSyfte:Studiens syfte var att utreda maxlasttoleransen mellan yttria-stabiliserad zirkoniumdioxid- (Y-TZP) och metallkeramiska- (MC) molarkronor med en ny design på in vitro belastningsformen. En stålkula användes för att utöva last på kusparna istället för i fissuren för att framställa en sprickbildning liknande den som ses kliniskt. Materialochmetod:26 kronor tillverkades, varav 13 högädla MC och 13presintrade Y-TZP. 7 av MC göts av 50% tidigare icke-gjuten och 50% omgjuten legering medan de kvarvarande 6 göts av 100% tidigare icke gjuten legering. Kronorna täcktes av ett fasadporsl

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8

Overturf, Jan Hendrik. "The effects of diferent reinforcements on the fracture toughness of provisional restorative materials." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2033_1254998751.

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<p>One of the most critical aspects of successful crown and bridgework is temporary restorations. Failure of temporary restoratins often affects the patient's confidence and mau result in unscheduled appointments for repair. This study compared the the fracture toughness of two materials commonly used to fabricate provisional restorations, namely Coldpac, a polymethyl methacrylate and Protemp 3 Garant, a bis-acryl composite. It also compard the fracture toughness of the two materials when reinforced with stainless steel wire, glass fibers and polythylene fibers.</p>

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9

Arneryd, Philip, and Annika Kindblom. "Fracture strength of monolithic high and low translucent Y-TZP crowns with different thicknesses." Thesis, Malmö högskola, Odontologiska fakulteten (OD), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-19815.

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Syfte. Att jämföra hållfastheten hos fullanatomiska monolitiska hög- och lågtranslucenta kronor av Y-TZP (yttriastabiliserad tetragonal polykristallin zirkoniumdioxid) i olika tjocklekar.Material och metod. 80 standardiserade kronor skapades utifrån en mastermodell av underkäkens första molar. 40 Lava Zirconia by 3M ESPE, ett monolitiskt lågtranslucent Y-TZP material. 40 Lava Plus by 3M ESPE, ett monolitiskt högtranslucent Y-TZP material. I varje grupp gjordes tio kronor i tjocklekarna 1.0 mm, 0.7 mm, 0.5 mm och 0.3 mm. Samtliga kronor genomgick termocykling och förbelastades för att stimulera

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10

Elshiyab, Shareen. "Fatigue and Fracture Resistance of Implant-supported Zirconia-based Hybridabutment Crowns: In-vitro Study." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/371957.

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The current thesis is a combination of review of the literature as well as in-vitro experimental tests conducted which aimed to investigate both the fatigue and the fracture resistance of implant-supported hybrid-abutment crowns manufactured using zirconia-based material. The focus was on the following:  Chapter 2 (Study 1): a systematic review of the literature for in-vitro studies which investigated zirconia-based crowns. It aimed to identify in-vitro survival rate and clarify the most clinically relevant study design to utilise in the series of experimental studies to be conducted in this

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11

Forberger, Virag Nicole. "Influence of the type of post and core on in vitro marginal continuity, fracture resistance, and fracture mode of lithia disilicate-based all-ceramic crowns /." [S.l.] : [s.n.], 2009. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000278509.

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12

Kashkari, Afnan. "Comparison of Load-to-Fracture Values and Fracture Characterization of Monolithic Zirconia, Lithium Disilicate, and Zirconia-Reinforced Lithium Silicate Glass-Ceramic CAD/CAM Crowns." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1469039766.

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13

Salaita, Louai Ghaleb. "Strain analysis and fracture strength of different abutments for cement-retained crowns on an internal hexagon implant." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1404820351.

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14

Fardin, Vinícius Pavesi. "A avaliação da confiabilidade e modo de falha de coroas de sistemas cerâmicos em função do desenho da infraestrutura e da aplicação de carga em cristas marginais." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/25/25146/tde-14082013-092548/.

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As excelentes propriedades mecânicas da zircônia fazem com que ela seja o material cerâmico de eleição para as coroas e próteses fixas posteriores. Porém, os problemas relacionados à fratura ainda persistem. A falta de suporte das infraestruturas às cerâmicas de revestimento é indicada como uma possível causa. O presente estudo visou avaliar através de testes laboratoriais se as infraestruturas metálicas e cerâmicas com o desenho convencional ou modificado apresentam diferença estatisticamente significante quanto à redução de complicações mecânicas, como fraturas e trincas na cerâmica de reves

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15

Mikeli, Aikaterini. "Porcelain fractures in implant borne fixed dental prostheses and single crowns A retrospective clinical study." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-153594.

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Introduction: Porcelain fractures belong to the most frequent technical complications in implant borne fixed restorations. Aim of this retrospective clinical study was to determine the prevalence and extent of porcelain fractures and to detect possible risk indicators. Methods: The study was designed by the Department of Prosthetic Dentistry, Dental School, University Hospital Carl Gustav Carus of Technical University of Dresden (TUD). Only adult patients (age ≥ 18 years) having previously received implant borne either metal-ceramic or all-ceramic fixed dental restorations from January 1995 un

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16

Lameira, Deborah Pacheco 1982. "Fracture strength of monolithic and bi-layer zirconia-based crowns = Resistência à fratura de coroas monolíticas e bicamada a base de zircônia." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290241.

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Orientador: Wilkens Aurelio Buarque e Silva<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-24T18:40:10Z (GMT). No. of bitstreams: 1 Lameira_DeborahPacheco_D.pdf: 11244410 bytes, checksum: 54506eb4da406d4e27116632cc014de5 (MD5) Previous issue date: 2014<br>Resumo: O objetivo deste estudo foi avaliar a resistência à fratura de coroas monolíticas e bicamada a base de zircônia, após envelhecimento artificial. Para este estudo, foram utilizados 32 incisivos bovinos onde foram feitos preparos de coroa total. Es

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17

Mikeli, Aikaterini [Verfasser], Michael [Akademischer Betreuer] Walter, and Günter [Akademischer Betreuer] Lauer. "Porcelain fractures in implant borne fixed dental prostheses and single crowns A retrospective clinical study / Aikaterini Mikeli. Gutachter: Michael Walter ; Günter Lauer. Betreuer: Michael Walter." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://d-nb.info/1069040525/34.

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18

Mikeli, Aikaterini Verfasser], Michael [Akademischer Betreuer] Walter, and Günter [Akademischer Betreuer] [Lauer. "Porcelain fractures in implant borne fixed dental prostheses and single crowns A retrospective clinical study / Aikaterini Mikeli. Gutachter: Michael Walter ; Günter Lauer. Betreuer: Michael Walter." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://d-nb.info/1069040525/34.

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19

Bayardo-González, Daniel Eduardo. "Avaliação da resistência à fratura em coroas metalocerâmicas e ceramocerâmicas, utilizando infra-estruturas com e sem reforço." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/25/25135/tde-13062007-160803/.

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As restaurações metalocerâmicas apresentam relatos de sucesso clínico a longo prazo e as características de reforço (cinta lingual e poste proximal) das infra-estruturas metálicas parecem ser de grande importância para este sucesso. Estes reforços freqüentemente estão ausentes nas infraestruturas das restaurações ceramocerâmicas. O objetivo deste estudo foi testar a hipótese nula de que coroas confeccionadas com infra-estruturas cerâmicas com desenho com e sem reforço não resultam em valores de resistência à fratura diferentes de coroas com infra-estruturas metálicas confeccionadas com os mesm

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20

Mobilio, Nicola. "The use of lithium disilicate in fixed dental prosthesis: from the adhesive interface to clinical performance." Doctoral thesis, Università di Siena, 2019. http://hdl.handle.net/11365/1071540.

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Chapter 1 is an introduction to lithium disilicate: its glass ceramic nature, its characteristics, its mechanical properties. The possibility to be etched allows lithium disilicate to be adhesively luted on dental tissues, influencing both the final properties of restoration and the clinical protocol of cementation. The aim of this thesis was investigate the adhesive interface between lithium disilicate, resin cement and dental tissues from different points of view: retention, fracture strength and survival rate. In Chapter 2 the retention of lithium disilicate crowns cemented using two diffe

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21

Bergamo, Edmara Tatiely Pedroso 1985. "Fracture load and phase transformation in monolithic zirconia crowns submitted to hydrothermal or mechanical treatments = Carga à fratura e transformação de fase em coroas monolíticas de zircônia submetidas a envelhecimento hidrotérmico ou mecânico." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290235.

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Orientadores: Wander José da Silva, Altair Antoninha Del Bel Cury<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-27T01:05:41Z (GMT). No. of bitstreams: 1 Bergamo_EdmaraTatielyPedroso_M.pdf: 7968983 bytes, checksum: ebd79c42e62e1085b97f070b982adcce (MD5) Previous issue date: 2015<br>Resumo: Os sistemas cerâmicos representam na odontologia uma alternativa aos metais na reabilitação protética, sendo que a zircônia é o material com melhores propriedades mecânicas. Coroas confeccionadas em zircônia sem a

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22

Wu, Zih-Feng, and 吳智峰. "Effects of Attrited Crown and Root Canal Geometry on the Vertical Root Fracture of Tooth." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/vm7swn.

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碩士<br>中原大學<br>醫學工程研究所<br>91<br>Abstract Vertical root fracture (VRF) usually occurs in endodontically treated teeth. However, there are reports found VRF in non-endodontically treated teeth and almost all in posterior teeth with severe crown attrition. The purpose of this study was to investigate the effects of attrited crown and root canal geometry on the VRF of tooth by finite element analysis. Finite element models of an incisor tooth and a premolar tooth were created. At first, different material properties of the periodontal ligament (PDL) were simulated. Secondly, intact and attrited tee

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23

Attia, Abo El-Naga Ahmed. "Influence of cyclic loading and luting agents on the fracture load of two all-ceramic crown systems." 2006. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015430280&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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24

Haikal, Lea. "Pulpotomies avec Biodentine sur dents permanentes traumatisées avec exposition pulpaire." Thesis, 2019. http://hdl.handle.net/1866/23953.

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Objectifs: Le but principal de cette étude prospective multicentrique est d’évaluer les succès clinique et radiographique des pulpotomies avec la Biodentine sur des dents permanentes traumatisées avec exposition pulpaire. Les objectifs secondaires sont d’évaluer si la maturation radiculaire affecte le pronostic du traitement et si la Biodentine cause une décoloration significative de la structure dentaire. Matériel et Méthode: Cette étude a été réalisée dans deux centres hospitaliers universitaires au Canada. Des sujets de moins de 18 ans se présentant avec un traumatisme sur les

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25

Madani, Dalia. "Fracture Resistance of Non-metallic Molar Crowns Manufactured with CEREC 3D." Thesis, 2010. http://hdl.handle.net/1807/24265.

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Objectives: To compare fracture strength and fatigue resistance of ceramic (ProCAD, Ivoclar-Vivadent)(C) and resin composite (Paradigm MZ100, 3M/ ESPE)(R) crowns made with CEREC-3D. Methods: A prepared ivorine molar tooth was duplicated to produce 40 identical prepared specimens made of epoxy resin (Viade). Twenty (C) crowns and 20 (R) were cemented to their dies using resin cement. Ten of each group were subjected to compressive loading to fracture. The remaining 10 of each group were subjected to mechanical cyclic loading for 500,000 cycles. The survivors were subjected to compressive loadin

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26

Chin, Chun-Cheong, and 錢振昌. "Porcelain Fracture Resistance in Metal-Ceramic Crowns with Different Veneer Thickness." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/83757938300759644694.

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碩士<br>國立臺灣大學<br>臨床牙醫學研究所<br>96<br>Purpose: Fracture of ceramic veneers is frequently observed in clinical practice and poses an esthetic and functional dilemma both for the patient and the dentist. The purpose of this study was to compare the porcelain fracture resistance between two different thickness of porcelain on the cement-retained implant metal-ceramic crowns. Material and methods: Forty (8×8×8 mm, W×H×L) cubic-shaped single metal-ceramic crowns were fabricated with two different thickness (1.5 mm or 2.5 mm) of porcelain and divided into four groups (10 crowns each): Groups 1 & 3 (1.5

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27

Faria, Neiva Gisele de. "Resistance to fracture of three all-ceramic systems a thesis submitted in partial fulfillment ... for the degree of Master of Science in Restorative Dentistry /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/68798806.html.

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28

Hsiung, Jing-Ru, and 熊晶如. "Effects of surface treatments of colored zirconia crowns on color appearance and fracture resistance." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/fuvpxp.

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29

Mikeli, Aikaterini. "Porcelain fractures in implant borne fixed dental prostheses and single crowns A retrospective clinical study: Porcelain fractures in implant borne fixed dental prostheses and single crowns A retrospective clinical study." Doctoral thesis, 2014. https://tud.qucosa.de/id/qucosa%3A28309.

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Introduction: Porcelain fractures belong to the most frequent technical complications in implant borne fixed restorations. Aim of this retrospective clinical study was to determine the prevalence and extent of porcelain fractures and to detect possible risk indicators. Methods: The study was designed by the Department of Prosthetic Dentistry, Dental School, University Hospital Carl Gustav Carus of Technical University of Dresden (TUD). Only adult patients (age ≥ 18 years) having previously received implant borne either metal-ceramic or all-ceramic fixed dental restorations from January 1995

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30

McLaren, John D. "The effect of post type and length on the fracture resistance of endodontically treated teeth a thesis submitted in partial fulfillment ... for the degree of Master of Science in Restorative Dentistry ... /." 2003. http://catalog.hathitrust.org/api/volumes/oclc/68962666.html.

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31

Jiménez, Benavides Marcela P. "Fracture resistance and mode of failure of endodontically treated teeth restores with fiber reinforced posts a thesis submitted in partial fulfillment ... for the degree of Master of Science in Restorative Dentistry ... /." 2001. http://catalog.hathitrust.org/api/volumes/oclc/68944133.html.

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32

Al-Angari, Nadia 1982. "Effects of Various Thicknesses on Load to Fracture of Posterior CAD/CAM Lithium Disilicate Glass Ceramic Crowns Subjected to Cyclic Fatigue." Thesis, 2015. http://hdl.handle.net/1805/6495.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>Background: New glass ceramics and Computer-Aided Design/Computer Assisted Manufacture (CAD/CAM) have become common aspects of modern dentistry. The use of posterior ceramic crowns with a high level of esthetics, fabricated using the CAD/CAM technology is a current treatment modality. Several materials have been used to fabricate these crowns, including lithium disilicate glass-ceramics, which have not been fully investigated in the literature. Objective: to investigate the load to fracture of lithium disilicate glass ceramic poste

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33

Gaspar, Sofia Alexandra Vieira. "Avaliação da espessura de interfaces adesivas na colagem de fragmentos coronários: estudo piloto." Master's thesis, 2017. http://hdl.handle.net/10316/82257.

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Trabalho de Projeto do Mestrado Integrado em Medicina Dentária apresentado à Faculdade de Medicina<br>Resumo Objetivos: Avaliar a espessura de interfaces adesivas na colagem de fragmentos coronários, com recurso a uma resina composta aplicada de três formas diferentes: convencional, termo-modificada, e associada a vibração ultrassónica. Materiais e métodos: Quinze terceiros molares humanos foram divididos, aleatoriamente, por três grupos (n=5). Cada dente foi seccionado, transversalmente, ao nível da coroa, de modo a obter um “fragmento” coronal destacado. Os grupos foram definidos e

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34

Aydilek, Enver. "Der direkte und indirekte Effekt von Zytokinen bei Morbus-Crohn-Patienten auf die Differenzierung von Osteoklasten - Effekt unter besonderer Berücksichtigung von TNF-α, Interleukin-1ß und Interleukin-6 -". Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-14B7-6.

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