There is nearly a unanimous standpoint that fissure system is the "region sensitive to caries". These difficulties imposed the consideration of efficient protection of the fissure system from caries. For final realization of this method, both adequate selection and comprehensive planned application of contemporary materials is necessary (composite light-initiated sealants as well as latest glass-ionomers resin fortified) as well as adequately performed technique of their application.
The aim of the paper was to estimate the clinical successfulness of application of the two types of sealants, Fissural®-Galenika-composite sealant, representative of Ш generation and Ionosit®-seal-DMG Hamburg, glass-ionomer resin fortified, on the basis of determined clinical criteria as per Cvar and Ryge in the function of time from one week to two years.
Clinical investigations were carried out on 72 teeth of transcanine sector with 36 patients of both genders aged 18-25 years, by the method of invasive technique. Upon sealing fissures, teeth were monitored by clinical method - probing of edge attachment of the sealant, as per Cvar and Ryge criteria (retention of the sealant, marginal adaptation, change of surface structure, edge coloring and secondary caries).
The results of analysis of all adopted criteria did not show аnу changes after the observation period of 7 days for both preparations. There was evident continued declining trend of the quality of Fissural after two years, which confirmed the declining values of all adopted criteria: full retention of preparations (77.77%), full marginal adaptation (77.77%), edge coloring (11.12%), change of surface structure (88.88%) and appearance of secondary caries (11.12%). With Ionosit® seal, high relative values of all adopted criteria weге retained, with a slight decline.
The results confirmed that Ionosit-seal®, a hybrid glass-ionomer sealant showed better qualities than Fissural®, a composite sealant of Ш generation, in all analyzed criteria after observation period of two years.
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