|To identify the current best evidence on pit and fissure sealants we queried MEDLINE using the following search strategy|
|1||(dental sealants) OR (tooth sealants) OR (fissure sealants) OR (pit and fissure sealants)||3058|
|2||(meta-analysis) OR (systematic review)||1,732,591|
|3||1 AND 2||348|
|5||3 AND 4||68|
|Relevant = 11|
Search #1 was limited to systematic reviews of human randomized controlled trials. The titles and abstracts were examined to identify systematic reviews with meta-analysis relevant to caries prevention.
San Martin et al.
San Martin et al. BMC Oral Health 2013 13:12 doi:10.1186/1472-6831-13-12