PMID: 16512106Mar 4, 2006Paper

Fracture resistance of the veneering on inlay-retained zirconia ceramic fixed partial dentures

Acta Odontologica Scandinavica
Brigitte M OhlmannPeter Rammelsberg

Abstract

The aim of this in vitro study was to evaluate the fracture load of zircon frames veneered with a polymer glass holding box inlay-retained fixed partial dentures (FPDs). The influence of the position of the frame and the span length was tested. Additionally, the fracture load values of zircon frames veneered with a press ceramic were evaluated. Box inlay cavities were prepared on mandibular molars and premolars. Forty-eight FPDs were manufactured using industrially prefabricated zircon frames veneered with the polymer glass Artglass. Sixteen FPDs received individually manufactured CAD/CAM zircon frames veneered with a press ceramic. All FPDs underwent thermal cycling and mechanical loading (ML). The load to fracture was measured and fracture sites were evaluated. Four polymer veneered FPDs showed fractures in the veneering material after ML. The mean fracture resistance ranged from 531 N to 727 N. No significant influence of frame localization could be observed. Significantly greater fracture resistance values were found in the ceramic veneered FPDs (1276 N to 1413 N). There was no significant effect of span length in the polymer veneered group or in the all-ceramic group, with the exception of a significant peak in fracture lo...Continue Reading

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Citations

Nov 26, 2008·Expert Review of Medical Devices·Wolfram HölandHeinrich Kappert
Nov 23, 2011·Dental Materials : Official Publication of the Academy of Dental Materials·Kristina MöllersHorst Fischer
Jun 14, 2008·Journal of Dentistry·Brigitte OhlmannOlaf Gabbert
Apr 22, 2010·Journal of Oral Rehabilitation·B Al-AmlehM Swain
Jul 16, 2008·Acta Odontologica Scandinavica·Olaf GabbertPeter Rammelsberg
Dec 3, 2017·Clinical Oral Investigations·Abdul Rahman AlkharratPeter Rammelsberg
Jul 25, 2017·Journal of Prosthodontic Research·Raquel Castillo-OyagüeMaría-Jesús Suárez-García

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