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  • Effect of saliva contamination on microleakage of a bonding system

    Author(s)
    Saayman, CM
    Grobler, SR
    Rossouw, RJ
    Oberholzer, TG
    Griffith University Author(s)
    Oberholzer, Theunis
    Year published
    2005
    Metadata
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    Abstract
    Saliva contamination is a major clinical problem during restorative dental treatment. Restorative systems must possess sufficient marginal sealing ability to avoid microleakage. PURPOSE: The purpose of this study was to investigate the effect of saliva contamination on the microleakage of cavities restored with Prime & Bond NT and Dyract-AP. METHOD: Cavities were prepared with occlusal margins in enamel and gingival margins in dentine on the buccal surfaces of extracted human permanent premolar teeth. The cavities were etched with phosphoric acid or a non rinse conditioner (NRC). Preparations were distributed randomly into ...
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    Saliva contamination is a major clinical problem during restorative dental treatment. Restorative systems must possess sufficient marginal sealing ability to avoid microleakage. PURPOSE: The purpose of this study was to investigate the effect of saliva contamination on the microleakage of cavities restored with Prime & Bond NT and Dyract-AP. METHOD: Cavities were prepared with occlusal margins in enamel and gingival margins in dentine on the buccal surfaces of extracted human permanent premolar teeth. The cavities were etched with phosphoric acid or a non rinse conditioner (NRC). Preparations were distributed randomly into 4 treatment groups (N = 18) consisting of two respective etching methods (phosphoric acid/NRC), each with and without saliva contamination. After the restorative process the samples were thermocycled in dye, sectioned, and scored for microleakage. RESULTS: Contamination with saliva had no significant effect on microleakage on the enamel or dentine sides where phosphoric acid was used as conditioner. Where NRC was used, significantly more microleakage was observed at the enamel sides, but significantly less at the dentine sides.
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    Journal Title
    South African Dental Journal
    Volume
    60
    Issue
    3
    Publisher URI
    http://www.ncbi.nlm.nih.gov/pubmed/15901015
    Subject
    Dentistry not elsewhere classified
    Dentistry
    Publication URI
    http://hdl.handle.net/10072/29192
    Collection
    • Journal articles

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