Retention of a resin-based sealant and a glass ionomer used as a fissure sealant Subramaniam P et al. - Two permanent first molars on one side of the mouth were sealed with Delton, a resin-based sealant, and the contralateral two permanent first molars were sealed with Fuji VII glass ionomer cement. Evaluation of sealant retention was performed at regular intervals over 12 months, using Simonsen's criteria. [more...]