مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO TOOTH ENAMEL AFTER TREATMENT WITH DIFFERENT TOOTH BLEACHING METHODS

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Abstract

 Background: Bleaching treatments decrease shear bond strength between orthodontic brackets and teeth; although definite results have not been reported in this regard.Objectives: This study determined the effects of different bleaching protocols on the shear bond strength of orthodontic brackets to teeth.Materials and Methods: This experimental study was performed in Iran. Forty-eight extracted human premolars were randomly assigned into four groups. In the control group, no bleaching treatment was performed. In groups 2 - 4, the bleaching procedures were performed using CARBAMIDE PEROXIDE 45%, CARBAMIDE PEROXIDE 20% and diode laser, respectively. Two weeks later, brackets were bonded to teeth and thermocycled. The shear bond strengths of the brackets to the teeth were measured. Data was analyzed by one-way ANOVA and Dunnett post-hoc test.Results: Shear bond strength of the brackets to the teeth were 10.54±1.51, 6.37±0.92, 7.67±1.01 and 7.49±1.19 MPa, in groups 1 - 4, respectively. Significant differences were found between control group and all other groups (P<0.001); and also between groups 2 and 3 (P<0.05). No significant differences were found between the other groups.Conclusions: The bleaching procedures using 20% CARBAMIDE PEROXIDE and 45% CARBAMIDE PEROXIDE and diode laser significantly decreased shear bond strength of brackets to the teeth.45% CARBAMIDE PEROXIDE had a more significant effect on bond strength compared to 20% CARBAMIDE PEROXIDE. The difference in bond strength was not significant between laser group and either CARBAMIDE PEROXIDE groups.

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    APA: Copy

    VAHID DASTJERDI, ELAHE, KHALOO, NEGAR, MOJAHEDI, SEYED MASOUD, & AZARSINA, MOHADESE. (2015). SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO TOOTH ENAMEL AFTER TREATMENT WITH DIFFERENT TOOTH BLEACHING METHODS. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), 17(11), 0-0. SID. https://sid.ir/paper/293128/en

    Vancouver: Copy

    VAHID DASTJERDI ELAHE, KHALOO NEGAR, MOJAHEDI SEYED MASOUD, AZARSINA MOHADESE. SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO TOOTH ENAMEL AFTER TREATMENT WITH DIFFERENT TOOTH BLEACHING METHODS. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ)[Internet]. 2015;17(11):0-0. Available from: https://sid.ir/paper/293128/en

    IEEE: Copy

    ELAHE VAHID DASTJERDI, NEGAR KHALOO, SEYED MASOUD MOJAHEDI, and MOHADESE AZARSINA, “SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO TOOTH ENAMEL AFTER TREATMENT WITH DIFFERENT TOOTH BLEACHING METHODS,” IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), vol. 17, no. 11, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/293128/en

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