EFFECT OF FLUORIDE THERAPY BEFORE OR AFTER BLEACHING ON ENAMEL MICRO-HARDNESS

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MIRZA KOUCHAKI BOROUJENI P.; MAALEKIPOUR M.R.; HOMAYOUNI SOLMAZ

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Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2010 | Volume:21 | Issue:4 (73) Page(s): 311-317

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Title

EFFECT OF FLUORIDE THERAPY BEFORE OR AFTER BLEACHING ON ENAMEL MICRO-HARDNESS

Author(s)

MIRZA KOUCHAKI BOROUJENI P. | MAALEKIPOUR M.R. | HOMAYOUNI SOLMAZ | Issue Writer Certificate

Keywords

TOOTH BLEACHINGQ2

FLUORIDESQ2

DENTAL ENAMELQ2

Abstract

Background and Aim: Bleaching teeth can lead to decreased calcium, phosphate and fluoride content of enamel which may cause decreased enamel micro-hardness. Reportedly, the topical use of fluoride can help regaining those minerals. The aim of this study was to evaluate the effect of fluoride therapy on enamel micro-hardness when used before or after bleaching. Materials and Methods: Total of 60 premolar teeth were divided into 5 groups. The occlusal surface in all teeth were flattened and covered with nail varnish. Initially, all specimens were inserted in artificial saliva for 7 days. Group 1 used as negative control. Samples in group 2 were bleached 2 times with 30 minutes interval for 5 days, using %45 carbamid peroxide. Group 3 samples were exposed to fluoride varnish for 5 minutes. Group 4 exposed to fluoride varnish for 5 minutes, bleached 2 times for 30 minutes in 5 day intervals. Group 5 samples were treated same as group 4, however, followed by fluoride varnish for 5 minutes. Micro hardness for each group measured in 3 points after cleaning the occlusal section. The LSD and ANOVA tests were used for data analysis. Results: This study showed, reduction in enamel surface hardness can be compensated by fluoride application. Group 2 (bleached only) showed the minimum micro hardness (294.38), and group 3 (exposed to fluoride only) showed the maximum micro hardness (455.36). Conclusion: Fluoride therapy can affect enamel micro-hardness before and after bleaching. The application of fluoride varnish is recommended after exposing teeth to bleaching agents.

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APA: Copy

MIRZA KOUCHAKI BOROUJENI, P., MAALEKIPOUR, M.R., & HOMAYOUNI, SOLMAZ. (2010). EFFECT OF FLUORIDE THERAPY BEFORE OR AFTER BLEACHING ON ENAMEL MICRO-HARDNESS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 21(4 (73)), 311-317. SID. https://sid.ir/paper/55166/en

Vancouver: Copy

MIRZA KOUCHAKI BOROUJENI P., MAALEKIPOUR M.R., HOMAYOUNI SOLMAZ. EFFECT OF FLUORIDE THERAPY BEFORE OR AFTER BLEACHING ON ENAMEL MICRO-HARDNESS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2010;21(4 (73)):311-317. Available from: https://sid.ir/paper/55166/en

IEEE: Copy

P. MIRZA KOUCHAKI BOROUJENI, M.R. MAALEKIPOUR, and SOLMAZ HOMAYOUNI, “EFFECT OF FLUORIDE THERAPY BEFORE OR AFTER BLEACHING ON ENAMEL MICRO-HARDNESS,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 21, no. 4 (73), pp. 311–317, 2010, [Online]. Available: https://sid.ir/paper/55166/en

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