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Effects of fluoride versus amorphous calcium phosphate solutions on enamel microhardness of white spot lesions : an in-vitro study

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Effects of fluoride versus amorphous calcium phosphate solutions on enamel microhardness of white spot lesions : an in-vitro study

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dc.contributor.author Farzanegan, Fahimeh es
dc.contributor.author Morteza-Saadat-Mostafavi, Seyed es
dc.contributor.author Ameri, Hamideh es
dc.contributor.author Khaki, Hossein es
dc.date.accessioned 2019-07-02T09:21:07Z
dc.date.available 2019-07-02T09:21:07Z
dc.date.issued 2019 es
dc.identifier.citation Farzanegan, Fahimeh ; Morteza-Saadat-Mostafavi, Seyed ; Ameri, Hamideh ; Khaki, Hossein. Effects of fluoride versus amorphous calcium phosphate solutions on enamel microhardness of white spot lesions : an in-vitro study. En: Journal of Clinical and Experimental Dentistry, 11 3 2019: 219-224 es
dc.identifier.uri https://hdl.handle.net/10550/70629
dc.description.abstract Development of white spot lesions around orthodontic fixed orthodontic appliances is a common finding, especially in patients with poor oral hygiene. One of the conservative interventions for regression of these lesions is using chemical solutions. The current study aimed to compare the effectiveness of fluoride and amorphous calcium phosphate (ACP) on microhardness improvement of affected enamel. Forty-five intact human incisor teeth were selected and randomly divided into 3 groups of 15. Fluoride group, ACP group and artificial saliva group (control group). Inducing of white spot lesion was done by PH-cycling model. Samples of the first and second group were submerged into 0.05% fluoride and 0.05% ACP solutions respectively for one minute a day. The rest of the time, all specimens were put in artificial saliva, which was incubated in 37 °c temperature. Microhardness of specimens was assessed by Vickers microhardness test in three stages: 1: Baseline microhardness assessment that was done before induction of white spot lesion, 2: Secondary microhardness assessment that was done after induction, 3: Final microhardness assessment that was done after chemical treatment. The SPSS 11.5 software was used for statistical analysis and p< 0.05 was considered as significant. Microhardness of specimens in the fluoride and ACP groups had significantly improved after the treatment (between secondary assessment and final assessment). In the control group, no significant improvements were observed. In final assessment, there were significant differences between the ACP and control groups, but no significant differences were found neither between the fluoride and ACP, nor the Fluoride and control groups. According to the current study, both 0.05% ACP and 0.05% fluoride solutions enhanced enamel micro-hardness in treatment of white spot lesion. es
dc.title Effects of fluoride versus amorphous calcium phosphate solutions on enamel microhardness of white spot lesions : an in-vitro study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.54448 es
dc.type.hasVersion VoR es_ES

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