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:: Volume 26, Issue 1 (Spring 2008) ::
J Dent Sch GYEAR__, 26(1): 20-26 Back to browse issues page
Shear bond strength of Ideal Maccoo and Brilliant light cure composites in orthodontic bracket bonding to enamel
Maryam Poosti Corresponding Author: Dr. *1, Hila Hajizadeh Dr., Mahboobeh Dehghani Dr.
1- , poustim@mums.ac.ir
Abstract:   (7355 Views)

Background and Aim: Due to the disadvantages of self cure composites, application of light cure composites is suggested in orthodontics but light transmission through metal brackets is in doubt. The aim of this study was to compare shear bond strength (SBS) of Ideal Maccoo and Brilliant composites in bonding steel and ceramic brackets.

Methods & Materials: Eight intact first upper premolars were collected for this experimental invitro study and randomly divided into 4 equal groups. The buccal surfaces were etched and cured by visible light after applying margin bond resin. In the first group Ideal Maccoo composite was applied on the steel bracket base (SI group), bracket positioning in the correct location was done and then curing was performed by visible light for 40 seconds (20 seconds from occlusal and 20 seconds from gingival). In the second group fascination ceramic brackets with Ideal Maccoo composite (CI group), in the third group ceramic brackets with Brilliant composite (CB group) and in the fourth group steel brackets with Bralliant composite (SB group) were bonded to teeth with the same method. SBS was measured by Zwick testing Machine. To compare the groups, Kolomgrov-Smironov, two way analysis of variance, one way analysis of variance and Tukey tests were used.

Results: Mean SBS was 9.71±3.37, 7.36±4.40, 5.58±2.21and 12.36±5.77 in SI, CI, CB and SB groups respectively. Tukey test showed significant difference between SB and CB groups (P<0.001), no significant differences was detected between CI and SI, SI and SB and between CI and CB.

Conclusion: Ideal Maccoo and Brilliant light cure composites had good capabilities in steel bracket bonding whereas ceramic brackets had lower shear bond strength. In bonding ceramic brackets only Ideal Maccoo composite showed acceptable results.

J Dent Sch 2008 26(1): 4 

Keywords: Bracket bonding, Light cure composite, Shear bond strength
Full-Text [PDF 162 kb]   (1197 Downloads)    
Type of Study: Original Article | Subject: Special
Received: 2006/09/6
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Poosti M, Hajizadeh H, Dehghani M. Shear bond strength of Ideal Maccoo and Brilliant light cure composites in orthodontic bracket bonding to enamel. J Dent Sch. 2008; 26 (1) :20-26
URL: http://jds.sbmu.ac.ir/article-1-286-en.html

Volume 26, Issue 1 (Spring 2008) Back to browse issues page
مجله دانشکده دندانپزشکی دانشگاه علوم پزشکی شهید بهشتی Shahid Beheshti University Dental Journal
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