Browsing by Author "Elkhazin, Mohamed M. A."

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    Analysis of coronal discoloration from commonly used obturation materials
    (University of the Western Cape, 2007) Elkhazin, Mohamed M. A.; Osaman, Y.I; Dept. of Restorative Dentistry; Faculty of Dentistry
    The objective of this study was to assess coronal discoloration due to four commonly used endodontic sealers with gutta-percha, using spectrophotometric analysis. Extracted human teeth were obturated with the experimental sealers and GP. The sealers that were tested included AH Plus, EndoRez, and Kerr Pulp Canal Sealer. The teeth were maintained in a moist environment at 37 C. Immediate pretreatment readings of the crowns of the extracted teeth with a spectrometer were used as baseline data. Subsequent readings were taken every two weeks for two months. Results were analysed using Wilcoxson Signed Rank sum test and Kruskal Wallis test.