PMID: 18203465Jan 22, 2008Paper

Marginal and internal adaptation of zirconium dioxide ceramic copings and crowns with different finish line designs

Dental Materials Journal
Futoshi KomineHideo Matsumura

Abstract

The present study evaluated the marginal and internal adaptation of single-tooth zirconium dioxide (ZrO2) ceramic copings or crowns with three different finish line designs. Twenty-four steel dies were prepared for maxillary central incisor crowns with the following finish line designs: shoulder (S), rounded shoulder (RS), and chamfer (C) preparations. Twenty-four standardized ZrO2 ceramic copings were manufactured with a CAD/CAM system (Cercon Smart Ceramics), and the crowns were finalized by veneering with a feldspathic ceramic. Measurements for marginal and internal adaptation were performed at two stages: the copings and the completed crowns. No significant differences were observed between the three groups in terms of marginal discrepancy median value: S, 73/69; RS, 61/60; C, 64/55 (microm). However, significant differences in internal adaptation were widely found among all groups: S, 117/111; RS, 72/75; C, 56/57 (microm). As for intra-group comparisons of marginal and internal adaptation values for all groups, the differences were not significant. It was found that the finish line design seemingly wielded no influence on marginal adaptation of single-tooth ZrO2 ceramic copings and crowns. It was also observed that the mar...Continue Reading

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Citations

Jan 6, 2011·Journal of Oral Science·Futoshi KomineHideo Matsumura
Jan 22, 2014·The Journal of Prosthetic Dentistry·Raúl EuánRogelio Oliver-Parra
Dec 17, 2014·European Journal of Dentistry·Necla DemirMeral Arslan Malkoc
Oct 15, 2013·The Journal of Prosthetic Dentistry·Mathieu ContrepoisOdile Laviole
Oct 17, 2014·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Davide CortelliniMutlu Özcan
May 1, 2012·Journal of Dentistry·Moustafa Nabil AboushelibMohammed Hamed Ghazy
Oct 11, 2011·Dental Materials : Official Publication of the Academy of Dental Materials·Ovidiu MoldovanHeike Rudolph
Apr 27, 2010·The Journal of Prosthetic Dentistry·Paolo Vigolo, Melissa Motterle
Dec 20, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Paolo VigoloSabrina Mutinelli
Mar 1, 2012·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Raúl EuánSusana Gomes-Azevedo
Jun 24, 2014·Journal of Oral Rehabilitation·P BoitelleO Fromentin
Apr 12, 2016·Dental Materials : Official Publication of the Academy of Dental Materials·Yuzo OkaHirofumi Yatani
Mar 7, 2015·Clinical Oral Investigations·Anke PodhorskyBernd Wöstmann
Dec 3, 2014·The Journal of Prosthetic Dentistry·Leonardo LinsAntonio Canabarro
May 30, 2016·The Journal of Prosthetic Dentistry·Conrad WinkelmeyerJuliana Marotti
Jul 28, 2016·The Journal of Prosthetic Dentistry·Ehsan FarjoodAmir Ali Reza Khaledi
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Jul 9, 2008·Acta Odontologica Scandinavica·Takayuki IwaiHideo Matsumura
Sep 27, 2018·International Journal of Dentistry·Rafaella Caramori SaabGisele Maria Correr
Apr 22, 2018·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Yeganeh MemariElaheh Beyabanaki
Apr 4, 2017·Dental Materials Journal·Rocio OrtegaMaria J Suarez
Dec 8, 2020·Journal of International Society of Preventive & Community Dentistry·Mina MohagheghLaleh Ramazani

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