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Bonded resin sealant on smooth surface dental enamel--an in vitro study.
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- Bjarnason, Sibilia (author)
- Gothenburg University,Göteborgs universitet,Odontologiska institutionen, Avdelningen för pedodonti,Institute of Odontology, Department of Pedodontics
- Dietz, Wolfram (author)
- Hoyer, Ingrid (author)
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- Kraft, Ulrike (author)
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- (creator_code:org_t)
- 2003
- 2003
- English.
- In: Swedish dental journal. - 0347-9994. ; 27:4, s. 167-74
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The aim of this study was to in vitro evaluate the micro leakage of a fissure sealant on sound and demineralized enamel using thermo cycling. The effect of the sealing procedure on sound and demineralized enamel were assessed on human premolars that were divided into one Control group and two Test groups. The Control group served as a baseline reference for the subsequent test procedures. The crowns of five teeth were covered with wax leaving three separate windows on the buccal surfaces. The enamel in one window was acid-etched, in the second window demineralized, and in the third window demineralized and subsequently acid-etched. In Test group 1, containing ten teeth, a defined enamel area on the buccal surfaces was acid-etched and sealed. The sealed area and a border of sound enamel around it were subjected to the demineralizing procedure. In Test group 2, a defined enamel window of 13 teeth was demineralized and subsequently etched and sealed. The sealed area and a border of surrounding enamel were subjected to a new cycle of demineralization. The longitudinal, bucco-lingual sections were examined in polarized light. When placed on acid-etched surfaces, the resin adhered firmly to the enamel with no evidence of demineralization or enlargement of previously demineralized areas underneath the sealants.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Odontologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dentistry (hsv//eng)
Keyword
- Acid Etching
- Dental
- Adhesiveness
- Bicuspid
- Bisphenol A-Glycidyl Methacrylate
- chemistry
- Composite Resins
- chemistry
- Dental Bonding
- Dental Enamel
- ultrastructure
- Dental Leakage
- classification
- Humans
- Microscopy
- Electron
- Scanning
- Microscopy
- Polarization
- Phosphoric Acids
- chemistry
- Pit and Fissure Sealants
- chemistry
- Surface Properties
- Temperature
- Tooth Demineralization
- pathology
Publication and Content Type
- ref (subject category)
- art (subject category)
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- MEDICAL AND HEALTH SCIENCES
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- University of Gothenburg
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