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Novel glass-ceramics for dental restorations
1Academic Unit of Restorative Dentistry, School of Clinical Dentistry, Claremont Crescent, Sheffield S10 2TA, UK. s.pollington@sheffield.ac.uk
Background:
There are many different ceramic systems available on the market for dental restorations. Glass-ceramics are a popular choice due to their excellent esthetics and ability to bond to tooth structure allowing a more conservative approach. However, at present, these materials have insufficient strength to be used reliably in posterior regions of the mouth.
Purpose:
The aim of this review article is to discuss the types of novel glass-ceramic currently be investigated including composition, microstructure and properties.
Conclusion:
Current research in glass-ceramics focuses on the quest for a highly esthetic material along with sufficient strength to enable crowns and bridgework to be reliably placed in these areas.
Clinical Significance:
There is a gap in the market for a machinable resin bonded glass-ceramic with sufficient strength as well as excellent esthetics.
