Retention and penetration of a conventional resin-based sealant and a photochromatic flowable composite resin placed on occlusal pits and fissures.

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dc.contributor.authorAguilar, F Gen_US
dc.contributor.authorDrubi-Filho, Ben_US
dc.contributor.authorCasemiro, L Aen_US
dc.contributor.authorWatanabe, M G Cen_US
dc.contributor.authorPires-de-Souza, F C Pen_US
dc.date.accessioned2007-10-17en_US
dc.date.accessioned2009-06-02T09:28:17Z
dc.date.available2007-10-17en_US
dc.date.available2009-06-02T09:28:17Z
dc.date.issued2007-10-17en_US
dc.description.abstractThis study compares the retention and penetration of a conventional resin-based sealant (Fluroshield) and a photochromatic flowable composite resin (Tetric Flow Chroma) placed on occlusal pits and fissures and submitted to thermal or chemical cycling regimens. Penetration assessment--ten premolars were sealed with each material, isolated (except for the sealed surface) and immersed in 0.2% Rhodamine B. The teeth were serially sectioned in a mesiodistal direction. The images of the sections were digitized and analyzed (ImageLab). The distance between the most superficial and the deepest points on the occlusal central groove was calculated to determine the groove's total depth. The length of the central groove filled with the sealant was divided by its total depth to obtain the percentage of sealing of the occlusal groove. Retention assessment--30 premolars were sealed, their occlusal surfaces were photographed and the area occupied by the sealing materials was demarcated (ImageLab). The teeth were submitted to different treatments: thermocycled, stored in artificial saliva and immersed in acetic acid and saliva (10 cycles/day protocol for 30 days). New photographs were taken to assess the final area occupied by the materials. The difference between the final and initial area was calculated to obtain the material loss. The data was analyzed (two-way ANOVA and Tukey's test P<0.05). Both materials presented similar penetration of the occlusal central groove. After thermal and chemical cycling, the materials did not differ with respect to retention, except for immersion in acetic acid. In this case, Tetric Flow Chroma presented greater retention than Fluoroshield.en_US
dc.description.affiliationDepartment of Dental Materials and Prosthodontics, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.en_US
dc.identifier.citationAguilar FG, Drubi-Filho B, Casemiro LA, Watanabe MG, Pires-de-Souza FC. Retention and penetration of a conventional resin-based sealant and a photochromatic flowable composite resin placed on occlusal pits and fissures. Journal of the Indian Society of Pedodontics and Preventive Dentistry. 2007 Oct-Dec; 25(4): 169-73en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/114918
dc.language.isoengen_US
dc.source.urihttps://medind.nic.in/jao/jaoaj.shtmlen_US
dc.subject.meshAcetic Acid --chemistryen_US
dc.subject.meshAcid Etching, Dentalen_US
dc.subject.meshBicuspid --pathologyen_US
dc.subject.meshBisphenol A-Glycidyl Methacrylate --chemistryen_US
dc.subject.meshComposite Resins --chemistryen_US
dc.subject.meshDental Bondingen_US
dc.subject.meshDental Enamel --pathologyen_US
dc.subject.meshDental Fissures --prevention & controlen_US
dc.subject.meshFluorescent Dyes --diagnostic useen_US
dc.subject.meshHumansen_US
dc.subject.meshImage Processing, Computer-Assisted --methodsen_US
dc.subject.meshMaterials Testingen_US
dc.subject.meshMicrotomyen_US
dc.subject.meshPit and Fissure Sealants --chemistryen_US
dc.subject.meshPolyurethanes --chemistryen_US
dc.subject.meshRhodamines --diagnostic useen_US
dc.subject.meshSaliva --chemistryen_US
dc.subject.meshSaliva, Artificial --chemistryen_US
dc.subject.meshSurface Propertiesen_US
dc.subject.meshTemperatureen_US
dc.subject.meshTime Factorsen_US
dc.titleRetention and penetration of a conventional resin-based sealant and a photochromatic flowable composite resin placed on occlusal pits and fissures.en_US
dc.typeComparative Studyen_US
dc.typeJournal Articleen_US
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