Clinically relevant evaluation of fracture strength of all-ceramic crowns
Ketil Kvam and Nils Roar Gjerdet | September 29th 2013
Determination of fracture strength of different all-ceramic dental crown systems is not straight forward. Most in vitrotest methods induce contact damage at the loading point (crunch the crown-tests). Clinical failures, on the other hand, usually originate from cracks in the cervical margins. The aim of this study was to compare three all-ceramic systems using a test method that mimic clinical failure modes.