Microleakage of conventional light-cure resin-based fissure sealant and resin-modified glass ionomer sealant after application of a fluoride varnish on demineralized enamel

International guidelines on the prevention of caries recommend sealing of the pits and fissures of the permanent molars. There is no evidence on which type of material is most effective on demineralized enamel. To evaluate the microleakage of a conventional light-cured, resin-based fissure sealant (...

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Bibliographic Details
Published in:PloS one 2018-12, Vol.13 (12), p.e0208856-e0208856
Main Authors: Germán-Cecilia, Concepción, Gallego Reyes, Sandra María, Pérez Silva, Amparo, Serna Muñoz, Clara, Ortiz-Ruiz, Antonio José
Format: Article
Language:English
Subjects:
Biology and Life Sciences
Cariostatic Agents
Chemical bonds
Composite Resins
Demineralizing
Dental caries
Dental Enamel
Dentistry
Enamel
Fluoridation
Fluoride treatment
Fluoride treatments
Fluorides
Glass
Glass Ionomer Cements
Humans
Image processing equipment
Medicine
Medicine and Health Sciences
Oral hygiene
Physical Sciences
Pit and Fissure Sealants
Prevention
Retention
Risk factors
Sealing compounds
Teeth
Thermal cycling
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Summary:International guidelines on the prevention of caries recommend sealing of the pits and fissures of the permanent molars. There is no evidence on which type of material is most effective on demineralized enamel. To evaluate the microleakage of a conventional light-cured, resin-based fissure sealant (LCRBS), GrandiO Seal, and a resin-modified glass ionomer sealant (RMGIS), Vitremer, after application of a fluoride varnish, Bifluorid 12, on demineralized enamel. 80 human third molars were divided into eight groups. The groups combined the three study factors (1) type of enamel (intact or demineralized); (2) enamel non-varnished or varnished with Biflourid12; and (3) type of sealant (GrandiO Seal or Vitremer). The percentage of microleakage after thermocycling was measured using imaging analysis software. The Kruskal-Wallis plus Dunn tests were used to compare differences in microleakage in the different groups. The lowest microleakage was in the unvarnished groups, and was the same for GrandiO Seal and Vitremer. When varnish was applied, microleakage was greater in demineralized enamel than in intact enamel for both LCRBS and RMGIS. The application of fluoride varnish on demineralized enamel increases the microleakage of both GrandiO Seal and Vitremer.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0208856