CPD questions (BDJ 2010; 209: 468)
Unfortunately the fraction symbols used in CPD Article 2 question 4, published on 13 November 2010, were not displayed correctly in the print issue.
The fraction symbols did appear accurately on the BDJ Eastman CPD website.
We apologise for any inconvenience caused.
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The online version of the original article can be found at 10.1038/sj.bdj.2010.1178
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Erratum. Br Dent J 209, 606 (2010). https://doi.org/10.1038/sj.bdj.2010.1178
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DOI: https://doi.org/10.1038/sj.bdj.2010.1178