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KMID : 0361920230530060345
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Korean Journal of Orthodontics
2023 Volume.53 No. 6 p.345 ~ p.357
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Managing oral biofilms to avoid enamel demineralization during fixed orthodontic treatment
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An Jung-Sub
Lim Bum-Soon
Ahn Sug-Joon
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Abstract
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Enamel demineralization represents the most prevalent complication arising from fixed orthodontic treatment. Its main etiology is the development of cariogenic biofilms formed around orthodontic appliances. Ordinarily, oral biofilms exist in a dynamic equilibrium with the host's defense mechanisms. However, the equilibrium can be disrupted by environmental changes, such as the introduction of a fixed orthodontic appliance, resulting in a shift in the biofilm’s microbial composition from non-pathogenic to pathogenic. This alteration leads to an increased prevalence of cariogenic bacteria, notably mutans streptococci, within the biofilm. This article examines the relationships between oral biofilms and orthodontic appliances, with a particular focus on strategies for effectively managing oral biofilms to mitigate enamel demineralization around orthodontic appliances.
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KEYWORD
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Enamel demineralization, Biomaterial science, Biofilm, Mutans streptococci
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