Catastrophic failure of a monolithic zirconia prosthesis.
Identifieur interne : 000165 ( Main/Exploration ); précédent : 000164; suivant : 000166Catastrophic failure of a monolithic zirconia prosthesis.
Auteurs : Jae-Seung Chang [Corée du Sud] ; Woon Ji [Corée du Sud] ; Chang-Hoon Choi [Corée du Sud] ; Sunjai Kim [Corée du Sud]Source :
- The Journal of prosthetic dentistry [ 1097-6841 ] ; 2015.
Descripteurs français
- KwdFr :
- Bases d'appareil de prothèse dentaire, Conception assistée par ordinateur, Conception d'appareil de prothèse dentaire, Conception d'implant dentaire et de pilier, Humains, Matériaux dentaires (), Mâle, Overdenture, Prothèse dentaire complète inférieure, Prothèse dentaire implanto-portée, Reprise du traitement, Résines composites (), Sujet âgé, Titane (), Zirconium (), Échec de restauration dentaire, Études de suivi.
- MESH :
- Bases d'appareil de prothèse dentaire, Conception assistée par ordinateur, Conception d'appareil de prothèse dentaire, Conception d'implant dentaire et de pilier, Humains, Matériaux dentaires, Mâle, Overdenture, Prothèse dentaire complète inférieure, Prothèse dentaire implanto-portée, Reprise du traitement, Résines composites, Sujet âgé, Titane, Zirconium, Échec de restauration dentaire, Études de suivi.
English descriptors
- KwdEn :
- Aged, Composite Resins (chemistry), Computer-Aided Design, Dental Implant-Abutment Design, Dental Materials (chemistry), Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Denture Bases, Denture Design, Denture, Complete, Lower, Denture, Overlay, Follow-Up Studies, Humans, Male, Retreatment, Titanium (chemistry), Zirconium (chemistry).
- MESH :
- chemical , chemistry : Composite Resins, Dental Materials, Titanium, Zirconium.
- Aged, Computer-Aided Design, Dental Implant-Abutment Design, Dental Prosthesis, Implant-Supported, Dental Restoration Failure, Denture Bases, Denture Design, Denture, Complete, Lower, Denture, Overlay, Follow-Up Studies, Humans, Male, Retreatment.
Abstract
Recently, monolithic zirconia restorations have received attention as an alternative to zirconia veneered with feldspathic porcelain to eliminate chipping failures of veneer ceramics. In this clinical report, a patient with mandibular edentulism received 4 dental implants in the interforaminal area, and a screw-retained monolithic zirconia prosthesis was fabricated. The patient also received a maxillary complete removable dental prosthesis over 4 anterior roots. At the 18-month follow-up, all of the zirconia cylinders were seen to be fractured, and the contacting abutment surfaces had lost structural integrity. The damaged abutments were replaced with new abutments, and a new prosthesis was delivered with a computer-assisted design and computer-assisted manufacturing fabricated titanium framework with denture teeth and denture base resins. At the 6-month recall, the patient did not have any problems. Dental zirconia has excellent physical properties; however, care should be taken to prevent excessive stresses on the zirconia cylinders when a screw-retained zirconia restoration is planned as a definitive prosthesis.
DOI: 10.1016/j.prosdent.2014.07.016
PubMed: 25444283
Affiliations:
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Le document en format XML
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In this clinical report, a patient with mandibular edentulism received 4 dental implants in the interforaminal area, and a screw-retained monolithic zirconia prosthesis was fabricated. The patient also received a maxillary complete removable dental prosthesis over 4 anterior roots. At the 18-month follow-up, all of the zirconia cylinders were seen to be fractured, and the contacting abutment surfaces had lost structural integrity. The damaged abutments were replaced with new abutments, and a new prosthesis was delivered with a computer-assisted design and computer-assisted manufacturing fabricated titanium framework with denture teeth and denture base resins. At the 6-month recall, the patient did not have any problems. Dental zirconia has excellent physical properties; however, care should be taken to prevent excessive stresses on the zirconia cylinders when a screw-retained zirconia restoration is planned as a definitive prosthesis.</div></front></TEI><affiliations><list><country><li>Corée du Sud</li></country><region><li>Région capitale de Séoul</li></region><settlement><li>Séoul</li></settlement></list><tree><country name="Corée du Sud"><noRegion><name sortKey="Chang, Jae Seung" sort="Chang, Jae Seung" uniqKey="Chang J" first="Jae-Seung" last="Chang">Jae-Seung Chang</name></noRegion><name sortKey="Choi, Chang Hoon" sort="Choi, Chang Hoon" uniqKey="Choi C" first="Chang-Hoon" last="Choi">Chang-Hoon Choi</name><name sortKey="Ji, Woon" sort="Ji, Woon" uniqKey="Ji W" first="Woon" last="Ji">Woon Ji</name><name sortKey="Kim, Sunjai" sort="Kim, Sunjai" uniqKey="Kim S" first="Sunjai" last="Kim">Sunjai Kim</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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