Cost-effectiveness of Four Methods in Preventing Fissure Caries in Permanent Teeth

ART dental sealant placed with glass ionomer material using the ART technique on permanent first molar, single-time placement and no replacement

Resin dental sealant placed on pits and fissures of first permanent molars, single-time placement and no replacement

Topical application of 5% sodium fluoride varnish onto pits and fissures of permanent first molars, repeated every 6 months

Topical application of 38% silver fluoride solution onto pits and fissures of permanent first molars, repeated every 12 months