Resin infiltration of deproteinised natural occlusal subsurface lesions improves initial quality of fissure sealing

Abstract

A low-viscosity resin infiltrant combined with a flowable composite resin can effectively seal fissures in premolars and molars. A team headed by Andrej Kielbassa at Austria’s Danube Private University in Krems compared two treatments for sealing fissures in extracted human premolars and molars having occlusal caries (decay on biting surface of teeth). Comparing the infiltration and microleakage of a low-viscosity resin combined with a flowable composite resin (RI/CR) with the flowable composite resin (CR) alone, they found that no parts of the caries lesions were infiltrated in the CR group. In the RI/CR group, infiltration was uniformly substantial and microleakage was lower. The resin infiltrant evidently provided a stable basis for the flowable CR, enhancing the quality of fissure sealing. The combination treatment appears promising for clinical control of occlusal caries.

Keywords

aprismatic enamel / fissure sealing / occlusal caries / resin infiltration / sodium hypochlorite

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