CPD answers - January 2015 issue ( http://www.nature.com/articles/bdjteam20159 )

1D. all of the above

2A. palatal aspects of the maxillary anterior teeth

3B. knuckles of the dominant hand

4D. all of the above

Do you have a news story that you would like included in BDJ Team? Send your press release or a summary of your story to the Editor at bdjteam@nature.com.