Introduction: The choice of composite type is an important factor and can affect the success of treatment. The aim of this study was to compare the failure rate of two light-curing composites and to evaluate the effectiveness of each in vivo. The two composites studied were Transbond XT® (3M®) and BracePaste® (American Orthodontics®).
Material And Method: An analytical, experimental, longitudinal and prospective study was conducted. A sample of 22 patients with a total of 440 teeth was selected. The decemented brackets were considered from the central incisor to the second premolar. A software was used to randomly distribute the type of adhesive according to the right and left side of the patient. Thus, Transbond XT® was used in two quadrants and BracePaste® in the other two. Braces that were not decemented after six mounths were considered successful.
Results: Four failures with BracePaste® and three with Transbond XT were observed. These are respectivly 18.2% vs 13.6% among the 22 patients and 0.9% vs 0.7% among the 440 teeth (p>0.05).
Discussion: Many studies have tested the efficacy of adhesives in vitro and many have failed to predict in vivo efficacy. Therefore, the aim of our study was interesting.
Conclusions: In our sample, no difference in bonding failure was observed between Transbond XT® and BracePaste®.
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