![shutterstock_85691464](https://www.nationalelfservice.net/cms/wp-content/uploads/2012/09/shutterstock_85691464-150x150.jpg)
Only 9 small RCTs were included in this Cochrane review of metal-free materials for prosthodontic restorations providing insufficient evidence to support or refute the effectiveness of metal-free materials for fixed prosthodontic treatment over metal-ceramic or other type of standard restorations.
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