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An evidence-based evaluation of contemporary dental ceramics
From Volume 45, Issue 6, June 2018 | Pages 541-546
Article
When placing aesthetic crown restorations, contemporary clinicians have a bewildering number of ceramic materials from which to choose. Dentists are also tasked with practising ‘evidence-based’ dentistry and, while there are numerous articles and studies published every year on ceramic materials, the quality of the ‘evidence’ is far from optimum. Almost all ceramic systems are marketed to the profession well before any clinical evidence supporting use of those systems has been published. It is clear that laboratory studies of physical and mechanical properties of ceramic materials provide little predictive evidence of clinical performance of any ceramic system.1 It is also clear that load-to-failure studies of ceramic crowns are not predictive of clinical performance.2, 3 Fatigue testing of ceramic materials under water may prove to be a viable predictive protocol, but the details of such testing have yet to be determined.4 The best method of determining clinical performance of a ceramic material is to conduct randomized, controlled clinical trials.
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