Rearrange the letters in the gold squares to find the secret word (9). Complete the answer form and send to the following address by 24 January 2014: BDJ Editorial, NPG, 4-6 Crinan Street, London, N1 9XW.

Mrs Carys Wyn Evans, a dental therapist from Gwynedd, won the autumn Secretword (see below). The secret word was FLUORIDE. The answers and name of the prize winner will be announced in March 2014 in the first issue of BDJ Team.

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