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    Aesthetic improvement of a smile using minimal intervention procedures. A case report

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    Authors
    Cowan, Marcus
    Babb, C
    Romero, M
    Pruett, M
    Coleman, J
    Issue Date
    2019
    URI
    http://hdl.handle.net/10675.2/623010
    
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    Abstract
    Tooth discoloration, particularly affecting the maxillary anterior teeth, is often an esthetic concern for dental patients.1 The most common cause of intrinsic tooth discoloration is dental fluorosis (DF),1 which is enamel hypomineralization due to long-term ingestion of high levels of fluoride during tooth mineralization.2 DF results in white opaque areas or discolorations ranging from yellow to dark brown, with porosities on the enamel surface.3 A widely-used scale for classifying the severity of DF is the Tooth Surface Index of Fluorosis (TSIF), developed by Horowitz, by which the examiner determines the extent of affected enamel by estimating the amount of DF as a fraction of the total visible enamel surface.4 Microabrasion, introduced by Croll and Cavanaugh in 1986,5 is a technique used to correct surface enamel irregularities and remove intrinsic enamel stains through the application of hydrochloric acid combined with pumice in a paste.6 When performed correctly and conservatively, the amount of enamel loss from microabrasion is clincally insignificant.7 The success of microabrasion depends upon the extent and severity of the discoloration, and occasionally a slightly yellowish appearance will result from the yellow dentin shade showing through the translucent enamel.8 The final appearance can be improved by dental bleaching, with long-lasting results.7 The following article is a clinical report of the use of microabrasion combined with nightguard bleaching with 10% carbamide peroxide to improve the appearance of teeth affected by fluorosis.
    Affiliation
    Department of Restorative Sciences
    Collections
    Department of Restorative Sciences: Faculty Research and Presentations
    Department of General Dentistry: Faculty Research and Presentation
    Department of Restorative Sciences: Student Research and Presentations
    DCG Research and Table Clinic Day 2019

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