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You searched for subject:(Iso 14801). Showing records 1 – 2 of 2 total matches.

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1. De La Rosa Castolo, Guillermo. Analyse de la tenue mécanique des implants, des composants prothétiques et de l'interaction avec les tissus osseux en implantologie dentaire : Analysis of the mechanical strength of implants, prosthetic components and interaction with bone tissue in dental implantology.

Degree: Docteur es, Sciences du Mouvement Humain, 2018, Aix Marseille Université

Ce travail de recherche vise à développer des méthodologies d’évaluation mécanique des implants dentaires, de leurs composants prothétiques et de l’interaction avec les tissus osseux de la mâchoire. D’après l’Organisation Mondiale de la Santé (OMS), 15 à 20% de la population âgée de 35 à 44 ans est atteint de problèmes d’édentation partielle et près de 30% de la population âgée de 65 à 74 d’édentation totale. Cela représente donc approximativement 7 millions de personnes en France ayant subi des pertes de dents durant leur vie. Les traitements proposés par l’implantologie dentaire sont devenus des solutions efficaces pour les problèmes d’édentation avec des taux de réussite cliniques supérieurs à 90%. Cependant, des complications cliniques existent, caractérisées par des inflammations ou des pertes partielles des tissus environnants. Les dentistes étant responsables du choix du traitement thérapeutique pour leurs patients, la prise d’une décision appropriée est capitale et exige une compréhension des risques et des bénéfices. C’est dans ce contexte qu’une première méthodologie d’évaluation a été développée pour améliorer le design des implants dentaires de type endosseux, dans les conditions de la norme de certification ISO 14801. La méthodologie est basée sur des approches numériques par Analyse d’Eléments Finis. Ensuite, des approches théoriques et des données cliniques ont été utilisées pour évaluer le comportement mécanique des tissus osseux de la mâchoire face aux différentes configurations par implants dentaires et leurs composants prothétiques.

The research purpose in this study is to develop of mechanical evaluation methods to dental implants, their prosthetic components and the interactions with bone tissues in mandible zone. According to the World Health Organization (WHO), 15 to 20% of population from 35 to 44 years old is reached of partial edentulism problems and about 30% of population from 65 to 74 years old is reached of complete edentulism problems. This represents approximately 7 million people in France who have lost teeth during their lifetime. Treatments proposed by dental implantology have become effective solutions for edentulous patients with clinical success rates greater than 90%. However, clinical complications exist, characterized by inflammation or partial losses of the surrounding tissues. Dentists are responsible for the treatment choice for their patients; an appropriate decision is crucial and requires an understanding of the benefits and risks. In this context, a first methodology was developed for evaluated the endosseous dental implants under the conditions of the ISO 14801 certification standard. This methodology is based with an approach numerical by Finite Element Analysis (FEA). Furthermore, theoretical approaches and clinical data were used to evaluate the mechanical resistance of the bone tissues in the jaw with different dental implant configurations and their prosthetic components.

Advisors/Committee Members: Behr, Michel (thesis director), Arnoux, Pierre-Jean (thesis director).

Subjects/Keywords: Implantologie dentaire; Analyse d’Eléments Finis; Iso 14801; Tissus osseux; Dental implantology; Finite Element Analysis; Iso 14081; Bone tissues; 612

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

De La Rosa Castolo, G. (2018). Analyse de la tenue mécanique des implants, des composants prothétiques et de l'interaction avec les tissus osseux en implantologie dentaire : Analysis of the mechanical strength of implants, prosthetic components and interaction with bone tissue in dental implantology. (Doctoral Dissertation). Aix Marseille Université. Retrieved from http://www.theses.fr/2018AIXM0700

Chicago Manual of Style (16th Edition):

De La Rosa Castolo, Guillermo. “Analyse de la tenue mécanique des implants, des composants prothétiques et de l'interaction avec les tissus osseux en implantologie dentaire : Analysis of the mechanical strength of implants, prosthetic components and interaction with bone tissue in dental implantology.” 2018. Doctoral Dissertation, Aix Marseille Université. Accessed April 13, 2021. http://www.theses.fr/2018AIXM0700.

MLA Handbook (7th Edition):

De La Rosa Castolo, Guillermo. “Analyse de la tenue mécanique des implants, des composants prothétiques et de l'interaction avec les tissus osseux en implantologie dentaire : Analysis of the mechanical strength of implants, prosthetic components and interaction with bone tissue in dental implantology.” 2018. Web. 13 Apr 2021.

Vancouver:

De La Rosa Castolo G. Analyse de la tenue mécanique des implants, des composants prothétiques et de l'interaction avec les tissus osseux en implantologie dentaire : Analysis of the mechanical strength of implants, prosthetic components and interaction with bone tissue in dental implantology. [Internet] [Doctoral dissertation]. Aix Marseille Université 2018. [cited 2021 Apr 13]. Available from: http://www.theses.fr/2018AIXM0700.

Council of Science Editors:

De La Rosa Castolo G. Analyse de la tenue mécanique des implants, des composants prothétiques et de l'interaction avec les tissus osseux en implantologie dentaire : Analysis of the mechanical strength of implants, prosthetic components and interaction with bone tissue in dental implantology. [Doctoral Dissertation]. Aix Marseille Université 2018. Available from: http://www.theses.fr/2018AIXM0700

2. Wilhelm, Mario. In vitro evaluation of load capacity and bending moments of two-piece bonded ceramic/titanium abutments and hybrid-implant-crowns after aging.

Degree: 2018, Freie Universität Berlin

The purpose of the present study is to evaluate the maximum bending moments and load capacities of customized hybrid abutments and hybrid abutment crowns depending on height of titanium core, total length of crown/abutment and abutment material after thermal cycling and mechanical loading (TCML). To elucidate the impact of all ceramic materials, a comparison of lithium disilicate and zirconia as an abutment core material was performed. Methods Hybrid abutments (zirconia or lithium disilicate) and hybrid abutment crowns (monolithic; screw retained lithium disilicate) were manufactured in a CAD/CAM process, bonded to titanium core bases and mounted on their corresponding implants (Camlog Screw-Line Promote Plus). All hybrid abutments received an adhesively luted all-ceramic final crown restoration (lithium disilicate). The specimens were divided into 9 groups (n=10) according to different lengths of titanium cores (3/5mm), total lengths of abutments and crowns (13.5/17.5mm) as well as different abutment materials (IPS e.max CAD, Organic Zirconia). Prior to linear fracture loading, the specimens were submitted to simultaneous thermal cycling (10000 cycles) and mechanical loading (1.2 mill. cycles at 50 N). The specimen’s design and parameters of load testing comply with the standard ISO 14801:2007. Statistical analysis was performed using the test by Kruskal/Wallis and the U-Test by Mann/Whitney on group differences at p<0.05. Results All specimens survived TCML. The load capacity was significantly dependent on abutment materials, length of titanium core bases and crown heights (p< 0.001). Compared to lithium disilicate hybrid abutments and hybrid abutment crowns [N] (Median; min./max.) (498; 241/772) zirconia abutments (863; 610/928) showed significant higher maximum load values (p=0.001), but all implants in the zirconia groups fractured at maximum loading. Moreover, preliminary adhesive failures at the titanium core were observed in all zirconia groups (real fracture load (315; 182/462). Shorter titanium core bases and higher crown lengths significantly decreased the real fracture load and real bending moments for all materials (p<0.001). Furthermore, remarkably gap formations between implant shoulder and titanium core bases occurred during statical loading at subcritical values. Conclusion Considering preliminary adhesive failures of zirconia hybrid abutments, lithium disilicate hybrid abutments and hybrid abutment crowns showed significantly higher load capacities. Thus, hybrid abutment crowns seem to be the best treatment option in the anterior region when considering defined constructional parameters. Subcritical gap formations between titanium core bases and implant shoulders might have clinical relevance for periimplant tissues. Advisors/Committee Members: [email protected] (contact), m (gender), N.N. (firstReferee), N.N. (furtherReferee).

Subjects/Keywords: hybrid implant crown; lithium disilicate; zirconia; abutment; load capacity; bending moment; implant; ISO 14801; 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

…parameters of load testing comply with the standard ISO 14801:2007. Statistical analysis was… …ISO-Norm 14801:2007 [120] entworfen und umgesetzt. Alle Teilschritte erfolgten… …Probenherstellung II.5.1 Implantateinbettung Den Anforderungen der ISO-Norm 14801:2007 folgend wurden die… …Implantatschulter ermöglichte. Auf diese Weise konnte die in laut ISO-Norm 14801:2007 geforderte… 

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Wilhelm, M. (2018). In vitro evaluation of load capacity and bending moments of two-piece bonded ceramic/titanium abutments and hybrid-implant-crowns after aging. (Thesis). Freie Universität Berlin. Retrieved from http://dx.doi.org/10.17169/refubium-7146

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Wilhelm, Mario. “In vitro evaluation of load capacity and bending moments of two-piece bonded ceramic/titanium abutments and hybrid-implant-crowns after aging.” 2018. Thesis, Freie Universität Berlin. Accessed April 13, 2021. http://dx.doi.org/10.17169/refubium-7146.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Wilhelm, Mario. “In vitro evaluation of load capacity and bending moments of two-piece bonded ceramic/titanium abutments and hybrid-implant-crowns after aging.” 2018. Web. 13 Apr 2021.

Vancouver:

Wilhelm M. In vitro evaluation of load capacity and bending moments of two-piece bonded ceramic/titanium abutments and hybrid-implant-crowns after aging. [Internet] [Thesis]. Freie Universität Berlin; 2018. [cited 2021 Apr 13]. Available from: http://dx.doi.org/10.17169/refubium-7146.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wilhelm M. In vitro evaluation of load capacity and bending moments of two-piece bonded ceramic/titanium abutments and hybrid-implant-crowns after aging. [Thesis]. Freie Universität Berlin; 2018. Available from: http://dx.doi.org/10.17169/refubium-7146

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

.