Volume 15, Issue 1 (4-2008)                   DMed 2008, 15(1): 67-76 | Back to browse issues page

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Mohammdi-Bassir M, Ramezani G, Torabzadeh H, Kianzadeh Z, Mizban N. Clinical Evaluation of Efficacy of Microabrasion Technique in Treatment of Different Degree of Dental Fluorosis. DMed. 2008; 15 (1) :67-76
URL: http://daneshvarmed.shahed.ac.ir/article-1-251-en.html
, mahshid_mohammadi_b@yahoo.com
Abstract:   (12901 Views)

  Background : Endemic fluorosis is the most common generalized dental discoloration in several parts of Iran. The improvement of appearance in different degrees of dental fluorosis (mild, moderate and severe) was evaluated in vivo.

  Materials & Methods : In this study, 281 fluorotic permanent teeth from 45 patients were divided in to 3 categories: mild (62), moderate (150) and severe (62). Standardized intraoral slides were taken prior and after treatment. The pastes of pumice- HCl (18%) were rubbed on the labial surfaces of stained teeth (after isolation) with no webbed rubber cup. A treatment was defined as five application of the paste, with each application lasting 30 sec (total 21/2 min).Treatment were terminated when there were no visible stains or after maximum of 10 minutes. Slides were randomized and viewed independently by two standardized observes and rated for area of white spot lesions (WS), stain amount (SA) and stain intensity (SI), before and after treatment.

  Results: The Wilcoxan's signed rank test indicated a significant difference in the area of WS and SA and SI (p<0.0001) from pretreatment to successive rating. Kruskal- Wallis analysis revealed no significant differences among the moderate and severe fluorotic teeth in SA and SI (p=0.58). Significant difference revealed in WS between 3 groups. The area of WS in severs group reduced more than moderate and mild groups. Relapse of discoration after 7 days was not seen in any patient.

  Conclusion: Mildly fluorotic teeth had the best esthetic results. In moderately and severely stained teeth brown and yellow stains completely removed but white spots continue to demonstrate.


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