Evaluation of 5 years success rate of fissure sealant therapy in first permanent molars school age children

The aim of this study was to evaluate the retention and effectiveness of fuji III Glassinomer used as fissure sealant, on the prevention of occlusal of caries 5 years after placement. In this Observation-descriptive study in 1382, 3915 permanent first molar (with deep occlusal pit and fissures and without caries) of 2142 students (6-12 years old) in Ardabil and Nir cities were treated as fissure sealant with Glass ionomer (Fuji III) by two dentist and supervision of one pedodontist. After one years, all patients were recalled and reevaluated but after 5 years only 442 Child with 690 teeth were recalled. In this study, overall success of fissure sealant therapy after one year was was ٪83, and 5 years, almost ٪60. After 5 years among 182 persons that the occlusal surface of their left upper first molars were fissure sealant therapied, ٪49. 5 have suitable retention of fissure sealant, that ٪37 of them were female and ٪63 were male that considerable difference is available from point of type of sexs (P<0/05). Among 205 persons that the occlusal surface of their right upper first molars were fissure sealant therapied, ٪70. 7 have suitable retention that ٪43. 5 of them were female and ٪46. 5 were male. In 144 persons that the occlusal surface of their left lower first molar were treated by fissure sealant, ٪63. 2 have suitable retention that ٪58. 3 of them were female and ٪41. 7 were male. Finally among 159 persons that the occlusal surface of their lower first molars were fissure sealant therapied ٪52. 2 have suitable retention and ٪58. 4 of them were female and ٪41. 6 were male. Fissure sealant therapy by glass-ionomer is satisfactory in longtime prevention of occlusal Caries of first permanent molars.