Metal-free fixed dental prosthesis – insufficient evidence to support or refute effectiveness

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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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Porcelain-fused-to-metal crowns or all-ceramic crowns?

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This rapid review from the Canadian Agency for Drugs and Technologies in Health (CADTH) identified 29 studies including 10 systematic reviews. The findings suggest a lower long term survival rate for ceramic crowns (48%) compared with porcelain fused to metal crowns (62%).

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