If you are interested in contributing to the work of the Cochrane Oral Health Group please contact Luisa Fernandez Mauleffinch, Managing Editor, Cochrane Oral Health Group, School of Dentistry, The University of Manchester, Coupland III Building, Oxford Road, Manchester M13 9PL, UK. Tel: +44 161 275 7819/7818, Fax: +44 161 275 7815, E-mail: luisa.fernandez@manchester.ac.uk