Amalgam or composite fillings — which material lasts longer?

@article{Hurst2014AmalgamOC,
  title={Amalgam or composite fillings — which material lasts longer?},
  author={Dominic Hurst},
  journal={Evidence-Based Dentistry},
  year={2014},
  volume={15},
  pages={50-51}
}
  • D. Hurst
  • Published 1 June 2014
  • Medicine
  • Evidence-Based Dentistry
Data sourcesCochrane Oral Health Group's Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase and LILACS. Hand searched relevant journals and attempted contact with authors of unpublished studies and manufacturers.Study selectionRandomised controlled trials comparing dental resin composites with dental amalgams in permanent posterior teeth with a minimum follow up of three years were eligible.Data extraction and synthesisData were extracted… 

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References

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The longevity of amalgam versus compomer/composite restorations in posterior primary and permanent teeth: findings From the New England Children's Amalgam Trial.

Although the overall difference in longevity was not statistically significant, compomer was replaced significantly more frequently owing to recurrent caries, and composite restorations required seven times as many repairs as did amalgam restorATIONS.

Survival and reasons for failure of amalgam versus composite posterior restorations placed in a randomized clinical trial.

Use of amalgam appears to be preferable to use of composites in multisurface restorations of large posterior teeth if longevity is the primary criterion in material selection.