![shutterstock_2296216-root canal xray](https://www.nationalelfservice.net/cms/wp-content/uploads/2011/07/shutterstock_2296216-root-canal-xray-150x150.jpg)
This review of prevalence of root filled teeth in the adult population worldwide included 76 observational studies. The findings suggest that 8.2% (95%CI; 7.3% to 9.1%) of teeth has been root filled and that 55.7% (95%CI; 49.6% to 61.8%) of people had at least one tooth root filled.
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