Browsing by Author "Elmahdi, Elbara Elrayah"

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    Microhardness and bleaching effectiveness on human tooth enamel after the application of nanohydroxyapatite
    (Universty of the Western Cape, 2023) Elmahdi, Elbara Elrayah; Adam, Razia
    Various bleaching agents, including hydrogen peroxide and carbamide peroxide, have been used in vital and non-vital bleaching. Nanohydroxyapatite synthesised using green methods are reported to possess bleaching potential. Although studies have indicated a reduction in enamel microhardness following bleaching, the correlation between bleaching and enamel hardness is inconsistent. This in vitro study aimed to investigate the potential of nanohydroxyapatite (nHA) as a bleaching agent and its effect on enamel microhardness on its own as well as in combination with carbamide peroxide (CP).