Microleakage of conventional light-cure resin-based fissure sealant and resin-modified glass ionomer sealant after application of a fluoride varnish on demineralized enamel - Germán-Cecilia, C; Gallego Reyes, S M; Pérez Silva, A; Serna Muñoz, C; Ortiz-Ruiz, A J (PLoS One, 2018)